101 KNNvKP mates

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MikeB
Posts: 4889
Joined: Thu Mar 09, 2006 6:34 am
Location: Pen Argyl, Pennsylvania

101 KNNvKP mates

Post by MikeB »

Programmatically generated by one of the SF developers , mate verified - good way to hone your KNNvKP endgame skills or test your engine without egtb. All are mate within the 50 move rule.

Some are not too hard, some are very hard.

Solutions are here (copy and paste fen):
https://syzygy-tables.info/?fen=k2K4/5p ... _w_-_-_0_1

Code: Select all

k2K4/5p2/6N1/8/8/1N6/8/8 w - - 0 1
3K1N2/8/3p1N2/7k/8/8/8/8 b - - 0 1
3K4/3N4/4p1Nk/8/8/8/8/8 w - - 0 1
3K4/4pN2/6N1/5k2/8/8/8/8 w - - 0 1
3K4/7p/5N2/8/8/8/8/1k4N1 w - - 0 1
k2K4/8/2p2N2/8/5N2/8/8/8 b - - 0 1
3K4/8/4N3/4p3/8/8/3N4/k7 w - - 0 1
3K4/7p/7N/8/8/8/8/k4N2 w - - 0 1
3K4/8/6N1/5p2/8/3N4/8/5k2 w - - 0 1
3K4/3N4/4k1Np/8/8/8/8/8 w - - 0 1
k2K4/5p2/5N2/8/8/2N5/8/8 w - - 0 1
1k1K4/1p6/5N2/8/8/5N2/8/8 w - - 0 1
3K3k/4p3/7N/8/2N5/8/8/8 w - - 0 1
1k1K4/8/3p3N/8/1N6/8/8/8 w - - 0 1
3K4/8/3p3N/8/8/8/7k/2N5 w - - 0 1
3K4/5k2/3Np3/N7/8/8/8/8 b - - 0 1
3K3k/8/4N2p/2N5/8/8/8/8 b - - 0 1
3K4/5p2/3N1k1N/8/8/8/8/8 w - - 0 1
3K4/8/4N3/p7/8/8/4N3/3k4 w - - 0 1
3K4/5p2/7N/8/8/8/8/k6N w - - 0 1
2NK4/3p4/6N1/8/8/1k6/8/8 w - - 0 1
3K4/8/2p1N3/8/8/8/7k/6N1 w - - 0 1
3K4/7N/k5pN/8/8/8/8/8 w - - 0 1
k2K4/8/3p4/N7/1N6/8/8/8 w - - 0 1
2NK4/8/4pN2/8/1k6/8/8/8 w - - 0 1
3K4/8/2p3N1/8/8/8/8/N2k4 w - - 0 1
3K4/8/4pN2/8/8/8/8/k1N5 w - - 0 1
3K4/4N3/4kN1p/8/8/8/8/8 w - - 0 1
3K4/6N1/3k1pN1/8/8/8/8/8 b - - 0 1
3K4/3p2k1/7N/4N3/8/8/8/8 w - - 0 1
3K4/8/4N3/7p/8/8/2k3N1/8 w - - 0 1
3K4/k2p4/5N2/8/4N3/8/8/8 w - - 0 1
3K4/1kp5/7N/8/2N5/8/8/8 w - - 0 1
3K4/8/pk1N4/N7/8/8/8/8 w - - 0 1
N2K4/1p6/8/N7/8/3k4/8/8 w - - 0 1
3K1N2/4p3/8/N7/3k4/8/8/8 w - - 0 1
3K4/k7/4p1N1/2N5/8/8/8/8 w - - 0 1
1k1K4/8/3p3N/8/1N6/8/8/8 b - - 0 1
1k1K4/1p6/7N/8/8/3N4/8/8 w - - 0 1
3K4/p6N/8/N4k2/8/8/8/8 w - - 0 1
3K4/5p2/3N1k1N/8/8/8/8/8 b - - 0 1
1k1K4/8/7p/N3N3/8/8/8/8 b - - 0 1
3K4/8/6N1/7p/8/8/1k3N2/8 w - - 0 1
3K4/6k1/p3N3/2N5/8/8/8/8 b - - 0 1
3K4/p6k/4N3/8/1N6/8/8/8 w - - 0 1
3K4/8/Nk3pN1/8/8/8/8/8 w - - 0 1
1k1K4/8/5N2/2p1N3/8/8/8/8 w - - 0 1
3K4/4p3/7N/8/8/8/8/3N1k2 w - - 0 1
3K4/8/6N1/7p/8/6N1/8/k7 w - - 0 1
3K1k2/3p4/5N2/8/7N/8/8/8 w - - 0 1
k2K4/p7/8/N7/8/4N3/8/8 b - - 0 1
3K4/4N2k/6N1/3p4/8/8/8/8 w - - 0 1
3K4/8/5p1N/8/8/8/7k/N7 w - - 0 1
3K4/5N2/2k3pN/8/8/8/8/8 w - - 0 1
3K4/2p3k1/4N3/8/N7/8/8/8 b - - 0 1
3K4/N3p3/4N3/8/4k3/8/8/8 w - - 0 1
3K4/1N6/p7/N2k4/8/8/8/8 b - - 0 1
3K4/8/3p1N2/8/8/8/7N/4k3 w - - 0 1
1N1K4/4p3/6N1/8/8/1k6/8/8 w - - 0 1
1k1K4/8/2p3N1/8/3N4/8/8/8 w - - 0 1
k2K4/8/4p2N/8/1N6/8/8/8 w - - 0 1
3K1k2/8/3p3N/5N2/8/8/8/8 b - - 0 1
k2K4/3p4/6N1/8/8/3N4/8/8 w - - 0 1
3K1N2/8/2p5/N4k2/8/8/8/8 b - - 0 1
3K4/3N1p2/4N3/8/k7/8/8/8 w - - 0 1
3K3k/7p/7N/7N/8/8/8/8 b - - 0 1
3K3k/1p6/4N3/8/8/N7/8/8 w - - 0 1
3K4/5N2/3pN3/k7/8/8/8/8 w - - 0 1
3K4/4N3/3pN3/1k6/8/8/8/8 w - - 0 1
3K1k2/8/4Np2/6N1/8/8/8/8 b - - 0 1
3K4/2p5/k3N3/6N1/8/8/8/8 w - - 0 1
1k1K4/p7/6N1/8/8/5N2/8/8 w - - 0 1
3K1N2/2p5/8/N7/5k2/8/8/8 b - - 0 1
3K4/3N4/2p4k/N7/8/8/8/8 w - - 0 1
3K4/7k/2Np4/N7/8/8/8/8 w - - 0 1
3K1k2/8/5N2/N1p5/8/8/8/8 w - - 0 1
3K1k2/8/5N2/N1p5/8/8/8/8 w - - 0 1
3K4/8/k1pN3N/8/8/8/8/8 w - - 0 1
3K4/p7/4N2k/1N6/8/8/8/8 w - - 0 1
3K4/6p1/6N1/8/8/8/8/N6k w - - 0 1
3K4/8/6N1/3p4/8/8/3N3k/8 w - - 0 1
3K2N1/p7/8/N7/6k1/8/8/8 w - - 0 1
3K4/5p2/7N/8/8/8/8/1k4N1 w - - 0 1
3K4/2N1p3/5N2/8/1k6/8/8/8 w - - 0 1
3K4/p5k1/6N1/8/N7/8/8/8 w - - 0 1
3K4/8/1Np1Nk2/8/8/8/8/8 w - - 0 1
3K4/2N1p3/4N3/8/2k5/8/8/8 b - - 0 1
2NK4/1p6/6N1/8/8/3k4/8/8 w - - 0 1
3K4/8/1Npk2N1/8/8/8/8/8 w - - 0 1
3K4/5k2/1p3N2/1N6/8/8/8/8 w - - 0 1
3K4/k7/3p2N1/3N4/8/8/8/8 w - - 0 1
3K1k2/8/p6N/8/N7/8/8/8 b - - 0 1
3K4/8/4p1N1/8/8/8/2k5/7N w - - 0 1
1k1K4/4p3/8/N7/7N/8/8/8 w - - 0 1
3K4/p1N5/6N1/8/4k3/8/8/8 w - - 0 1
2NK4/5p2/5N2/8/8/k7/8/8 b - - 0 1
3K1N2/8/6Np/2k5/8/8/8/8 w - - 0 1
3K4/2p5/4Nk2/1N6/8/8/8/8 w - - 0 1
3K4/1k2p3/8/N6N/8/8/8/8 b - - 0 1
3K4/k2p4/8/N7/1N6/8/8/8 b - - 0 1
3K4/4p3/4N3/8/8/8/8/4N2k w - - 0 1
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Ratosh
Posts: 77
Joined: Mon Apr 16, 2018 6:56 pm

Re: 101 KNNvKP mates

Post by Ratosh »

This position is a stalemate.

Code: Select all

3K3k/7p/7N/7N/8/8/8/8 b - -
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MikeB
Posts: 4889
Joined: Thu Mar 09, 2006 6:34 am
Location: Pen Argyl, Pennsylvania

Re: 101 KNNvKP mates

Post by MikeB »

Ratosh wrote: ↑Fri Jan 11, 2019 3:29 am This position is a stalemate.

Code: Select all

3K3k/7p/7N/7N/8/8/8/8 b - -
Wow! Not sure how that one made it through...
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Dann Corbit
Posts: 12538
Joined: Wed Mar 08, 2006 8:57 pm
Location: Redmond, WA USA

Re: 101 KNNvKP mates

Post by Dann Corbit »

I fed a few if them to Yace, so you can see the exact Nalimov answers:

Code: Select all

3K4/5N2/2k3pN/8/8/8/8/8 w - - ce +M50 ; pv 1.Ng5 {EGTB} 1...Kd5! 2.Ng4 Kd6! 3.Ke8! Kc6 4.Ke7! Kc5 5.Ke6! Kd4! 6.Kd6! Kc4! 7.Ke5! Kc3 8.Kd5! Kd3 9.Kc5! Kc3! 10.Ne5 Kd2! 11.Kd4! Ke2! 12.Ng4! Kd2! 13.Kc4! Ke2! 14.Kc3! Ke1! 15.Kd3! Kf1! 16.Kd2! Kg2! 17.Ke3! Kf1! 18.Ne5! Ke1! 19.Nc6 Kd1! 20.Nd4! Kc1! 21.Kd3! Kb2! 22.Kd2! Ka3! 23.Kc3! Ka4! 24.Kc4! Ka5! 25.Nc6+! Kb6! 26.Nb4! Kb7! 27.Kb5! Kc7! 28.Kc5! Kb7! 29.Nd5! Ka6! 30.Kb4! Kb7! 31.Kb5! Kc8! 32.Kc6! Kd8! 33.Kd6! Kc8! 34.Nb6+ Kd8 35.Nd7 Kc8! 36.Nc5! Kd8! 37.Nb7+! Ke8! 38.Ke6! Kf8 39.Nd6 Kg7! 40.Ndf7! Kg8 41.Nh6+ Kf8! 42.Kd7! Kg7 43.Ng4! Kf8! 44.Kd8! Kg8 45.Ke8 Kh8 46.Ne6! g5 47.Nf6 g4 48.Kf8 g3 49.Ng5 g2 50.Nf7#!! ; 
3K4/2p3k1/4N3/8/N7/8/8/8 b - - ce -M39 ; pv 1...Kf6 {EGTB} 2.Nac5! Kf7 3.Nf4! Kf6! 4.Nfd3! Kg6 5.Kd7! Kf6 6.Kc6! Kg6 7.Kd5! Kf5! 8.Kd4! Kg5! 9.Ke4 Kg4! 10.Nf2+ Kg5 11.Ke5! Kg6! 12.Nfe4 Kh5! 13.Kf5 Kh4! 14.Nd2! Kg3! 15.Kg5! Kf2! 16.Kf4! Ke2! 17.Nde4! c6 18.Nd6! Kf2! 19.Nc4! Ke2! 20.Kg3! Ke1 21.Kf3! Kd1! 22.Nd6! Kd2 23.Nde4+! Ke1! 24.Ke3! Kf1 25.Ng3+ Ke1! 26.Ne2 Kf1 27.Nd4 Ke1! 28.Nc2+! Kd1! 29.Kd3! Kc1 30.Ne3! Kb2! 31.Kd2! Ka3! 32.Kc3! Ka2 33.Nc4! Kb1! 34.Kd2! Ka1! 35.Kc1! Ka2 36.Kc2! Ka1 37.Nb3+! Ka2 38.Nc1+! Ka1 39.Na5 c5 40.Nab3#! 
3K4/N3p3/4N3/8/4k3/8/8/8 w - - ce +M35 ; pv 1.Nc6 {EGTB} 1...Ke3 2.Ne5 Ke4 3.Nf7! Ke3 4.Kd7 Kf3 5.Kc6! Ke3! 6.Kc5! Ke4! 7.Kc4! Ke3! 8.Nfg5! Kd2! 9.Kd4! Ke2! 10.Ne4 Kf3! 11.Nd2+! Kg3 12.Nc4 Kf3! 13.Kd3 Kg4! 14.Ke4! Kg3! 15.Ne5! Kf2! 16.Kd3! Kf1! 17.Ke3! Ke1! 18.Nc6 Kf1 19.Nb4! Ke1! 20.Nc2+! Kd1! 21.Kd3! Kc1 22.Ne3! Kb2! 23.Nc5 e5! 24.Kc4! e4 25.Kb4! Ka2 26.Ne6 Kb2 27.Nf4 Kc1! 28.Kc3! Kb1 29.Ne2! Ka2! 30.Nc4! e3 31.Kc2! Ka1 32.Kb3! Kb1 33.Na3+! Ka1 34.Nc3 e2 35.Nc2#!! ; 
3K4/1N6/p7/N2k4/8/8/8/8 b - - ce -M57 ; pv 1...Ke6 {EGTB} 2.Ke8 Kf6 3.Nd8 Kf5! 4.Kf7 Ke5! 5.Ke7 Kf5 6.Kd6! Ke4! 7.Ne6! Ke3 8.Ke5! Kd3! 9.Kf4! Kc3! 10.Nc5! Kd4! 11.Ncb3+! Kd5! 12.Kf5! Kd6 13.Ke4! Ke6! 14.Nc5+! Kf6 15.Kf4! Ke7! 16.Ke5! Kf7! 17.Ne4 Kg6! 18.Nd6 Kg5! 19.Nf7+! Kg4! 20.Ke4! Kg3! 21.Ne5! Kg2 22.Ng4! Kg3! 23.Ne3! Kh4! 24.Kf4! Kh5! 25.Nd5! Kh6! 26.Kf5! Kh5! 27.Nf6+ Kh4! 28.Ne4 Kh3! 29.Kf4! Kg2! 30.Kg4! Kf1! 31.Kf3! Ke1! 32.Ke3! Kf1! 33.Ng3+ Kg2! 34.Nf5! Kg1! 35.Kf3! Kf1! 36.Nd6 Kg1 37.Nf7 Kf1! 38.Ne5! Ke1! 39.Ke3! Kf1 40.Nd3! Kg2! 41.Kf4! Kh3! 42.Ne1! Kh4! 43.Ng2+! Kh5! 44.Kf5! Kh6 45.Nf4! Kg7! 46.Ke6! Kh6! 47.Kf6! Kh7 48.Nh5 Kh6! 49.Ng7 Kh7 50.Nf5! Kg8! 51.Ke7! Kh8 52.Nc4 a5 53.Ne5 a4 54.Kf7! a3 55.Ng6+! Kh7 56.Nf8+!! Kh8 57.Nh4 a2 58.Nhg6#!! ; 
3K4/8/3p1N2/8/8/8/7N/4k3 w - - ce +M38 ; pv 1.Nd5 {EGTB} 1...Ke2 2.Kd7 Kf2 3.Ng4+ Kf3 4.Nge3 Kf2 5.Nc2 Kf3 6.Ke6! Ke2! 7.Ncb4 Kf2 8.Kf5! Ke1! 9.Nc6 Kd2! 10.Ke4! Ke2! 11.Nd4+! Kd2! 12.Nf3+! Ke2 13.Nc3+! Kf1! 14.Ke3! d5 15.Nd4! Kg2! 16.Nce2 Kf1! 17.Nc1! Ke1! 18.Ncb3! Kf1 19.Kf3 Ke1! 20.Kf4! Kf1 21.Nc5! Ke1! 22.Ke3! Kd1! 23.Na4! Ke1 24.Nb2! Kf1 25.Nd3! Kg2! 26.Nf5 d4+ 27.Kf4! Kh2 28.Kg4! Kg2 29.Nd6 Kg1 30.Ne4 Kf1! 31.Kf3! Kg1 32.Nd2! Kh2! 33.Nf4! d3 34.Kf2! Kh1 35.Kg3! Kg1 36.Nh3+! Kh1 37.Nf3 d2 38.Nf2#!! ; 
1N1K4/4p3/6N1/8/8/1k6/8/8 w - - ce +M38 ; pv 1.Ne5 {EGTB} 1...Kc3 2.Kd7! Kd4! 3.Ke6! Ke4! 4.Nbc6! Kf4 5.Kd5! Ke3! 6.Nd8! e6+! 7.Kc5 Ke4 8.Ndf7! Ke3! 9.Nd6! Ke2! 10.Kd4! Kd2! 11.Ne4+! Ke2! 12.Nc3+! Kf2 13.Ke4 Kg3! 14.Ke3! Kg2 15.Ne4 Kh3! 16.Kf3 Kh4! 17.Kf4 Kh5! 18.Nf6+ Kh6! 19.Kg4! Kg7 20.Nfd7! Kg8 21.Kg5! Kg7! 22.Nc5! Kg8! 23.Kg6! Kf8! 24.Kf6! Ke8! 25.Nb7! Kf8 26.Nd6! Kg8 27.Nc6 e5 28.Ne7+! Kf8! 29.Ng6+ Kg8 30.Nf5 e4! 31.Ne3! Kh7 32.Nf4! Kh8 33.Ne6 Kg8 34.Ng4 e3 35.Kg6!! e2 36.Nf6+ Kh8 37.Ng5 e1=Q 38.Nf7#!! ; 
1k1K4/8/2p3N1/8/3N4/8/8/8 w - - ce +M36 ; pv 1.Ne5 {EGTB} 1...Kb7 2.Ne6! Ka6! 3.Nc5+! Kb6 4.Ned7+ Kb5! 5.Ke7 Kc4! 6.Ke6 Kd4! 7.Kd6! Ke3! 8.Ke5! Kf3! 9.Nf6! Ke3! 10.Ng4+! Kf3! 11.Kf5! Ke2! 12.Kf4 Kd2 13.Ne5 Kc2! 14.Ke4! Kd2! 15.Nc4+! Ke2! 16.Kf4! Kf2 17.Nd2! Kg2 18.Nce4! Kh2! 19.Kg4! Kg2! 20.Nc4! Kf1! 21.Kf3! Ke1! 22.Nc3! Kf1! 23.Kg3! c5! 24.Kf4! Kf2 25.Kg4! Kf1! 26.Kg3! Ke1! 27.Kf3! Kf1 28.Na4 Ke1! 29.Nab2! Kf1 30.Nd3! Kg1 31.Ne3! c4 32.Nf4! c3 33.Kg3! c2 34.Nh3+ Kh1 35.Ng4! c1=Q 36.Ngf2#!! ; 
k2K4/8/4p2N/8/1N6/8/8/8 w - - ce +M06 ; pv 1.Kc7 {EGTB} 1...d6 2.Ne7 d5 3.Nc8 d4 4.Nb4 d3 5.Nd5 d2 6.Ndb6#!! ; 
3K1N2/8/2p5/N4k2/8/8/8/8 b - - ce -M49 ; pv 1...c5 {EGTB} 2.Nc4!! Kg5 3.Nd7 Kf5 4.Ndb6 Kf4 5.Kd7 Kf5 6.Kd6 Ke4! 7.Ke6! Kd4! 8.Kf5! Kd3! 9.Ke5! Kc2! 10.Ke4! Kc3! 11.Ke3! Kb3 12.Kd3 Kb4! 13.Kc2! Kb5 14.Kb3! Kc6! 15.Nc8! Kc7 16.N8d6! Kd7 17.Kc3 Ke7 18.Kd3! Ke6! 19.Ke4! Kf6! 20.Nf5! Kg6 21.Nfe3 Kf6 22.Kf4! Ke6! 23.Kg5! Kd7 24.Nd5 Ke6! 25.Ndb6 Kf7! 26.Kf5! Ke7! 27.Nc8+! Kf7 28.N8d6+! Ke7! 29.Ke5! Kd7! 30.Kf6! Kc7! 31.Ke7! Kc6! 32.Ke6! Kc7 33.Ne4! Kd8! 34.Nf6! Kc8 35.Ke7! Kc7! 36.Nd5+ Kc6! 37.Nc3! Kc7! 38.Ke8! Kc6! 39.Kd8! Kb7 40.Kd7! Kb8 41.Ne4 Ka8 42.Ned6 Ka7! 43.Kc7! Ka6! 44.Kc6! Ka7 45.Kb5! Ka8 46.Na5 c4 47.Nc6 c3 48.Kb6 c2 49.Nb5 c1=Q 50.Nc7#!! ; 
3K4/3N1p2/4N3/8/k7/8/8/8 w - - ce +M48 ; pv 1.Nf4 {EGTB} 1...f6! 2.Ke7! Kb5 3.Ke6! Kc4! 4.Kf5! Kd4! 5.Kg4! Ke4! 6.Nf8 Ke3! 7.Kg3! Ke4! 8.Ng2 Kd4 9.Kf3! Kd3 10.Nf4+ Kd4! 11.N8g6 f5! 12.Nh4! Kc4! 13.Ke3! Kc3! 14.Nf3! Kc4! 15.Kd2! Kc5 16.Kd3 Kb5! 17.Ne5 Kc5 18.Kc3! Kb5! 19.Ned3 Kc6! 20.Kc4 Kd6! 21.Kb5! Kc7 22.Ne1 Kd7 23.Kc5! Ke7 24.Nf3 Kd7! 25.Nd4 Ke7 26.Nde6! Kf7 27.Kd5 Ke7! 28.Kc6! Kf7! 29.Kd7! Kf6! 30.Kd6! Kf7 31.Nd4! Ke8! 32.Nc6! Kf8 33.Kd7! Kf7! 34.Ne5+ Kf6! 35.Nf3! Kf7! 36.Kd8! Kf6! 37.Ke8! Kg7 38.Ke7! Kh7 39.Nd4 Kh8 40.Nde6 Kh7! 41.Kf7! Kh6! 42.Kf6! Kh7 43.Kg5! Kh8 44.Nd5 f4 45.Nf6 f3 46.Kg6 f2 47.Ng5 f1=Q 48.Nf7#!! ; 
3K3k/1p6/4N3/8/8/N7/8/8 w - - ce +M59 ; pv 1.Nb5 {EGTB} 1...Kh7! 2.Kd7 Kh6 3.Kd6! Kh5! 4.Ned4 Kh4 5.Kd5 Kh5! 6.Nf3 Kg4! 7.Ke4! Kg3! 8.Ne5! Kf2! 9.Kd3! Kg2! 10.Ke2! Kg3 11.Ke3! Kh4! 12.Kf4! Kh5! 13.Nd7! Kh6! 14.Nf6 Kg7! 15.Kf5! Kh6! 16.Ne8 Kh5! 17.Ng7+! Kh4! 18.Kf4! Kh3! 19.Nf5! Kg2! 20.Ke3! Kf1! 21.Nh4! Ke1! 22.Ng2+! Kd1! 23.Kd3! b6! 24.Ne3+ Ke1! 25.Ng4! Kf1! 26.Kd2! Kg1! 27.Ke2! Kg2! 28.Nf2 Kg3! 29.Ke3! Kh4! 30.Kf4! Kh5 31.Ne4! Kg6! 32.Kg4! Kf7! 33.Kf5! Ke7! 34.Nf6! Kf8! 35.Nd5! Kg7! 36.Nf4! Kf7! 37.Nd3 Kg7! 38.Ne5! Kh6! 39.Kg4! Kg7! 40.Kg5! Kf8! 41.Kf6! Ke8! 42.Ke6! Kf8! 43.Ng6+ Ke8 44.Ne7 Kf8! 45.Nf5! Ke8! 46.Ng7+! Kd8! 47.Kd6! Kc8 48.Ne8 Kd8 49.Nec7! Kc8 50.Ke7! Kb8! 51.Na6+ Kb7! 52.Nb4! Kc8! 53.Ke8! Kb8 54.Kd8 Ka8 55.Nd6! b5 56.Nc6 b4 57.Kc8 b3 58.Nb5 b2 59.Nc7#!! ; 
3K4/5N2/3pN3/k7/8/8/8/8 w - - ce +M49 ; pv 1.Kd7 {EGTB} 1...Kb5 2.Nh6! d5 3.Nd4+!! Kc5 4.Nhf5!! Kc4 5.Kd6 Kb4 6.Nc6+ Kc4 7.Nfd4!! Kc3 8.Ke5! Kc4 9.Na5+ Kc5 10.Nab3+! Kc4! 11.Kf4! Kd3! 12.Kf3! Kc4! 13.Ke3 Kc3! 14.Ke2! Kc4! 15.Kd2! Kb4 16.Kd3! Ka3! 17.Nc5 Kb4! 18.Nd7! Ka5 19.Kc3! Ka4! 20.Ne5! Ka5! 21.Kb3! Ka6! 22.Ka4! Kb6 23.Kb4! Kb7 24.Kc5! Kc8! 25.Kc6! Kd8! 26.Kd6! Ke8 27.Ke6! Kd8! 28.Kf7! Kc8! 29.Ke8! Kc7! 30.Ke7! Kc8! 31.Nd7 Kc7! 32.Nc5! Kc8! 33.Nce6! Kb7! 34.Kd6! Kb6! 35.Nc5 Ka5! 36.Nd3! Kb6! 37.Nc1 Kb7 38.Kd7! Kb8 39.Ncb3 Kb7! 40.Kd8! Kb6! 41.Kc8! Ka7! 42.Kc7! Ka6! 43.Kc6! Ka7 44.Nc5! Kb8! 45.Kd7! Ka8 46.Nc6 d4 47.Kc7 d3 48.Na4 d2 49.Nb6#! ; 
3K4/4N3/3pN3/1k6/8/8/8/8 w - - ce +M39 ; pv 1.Nc7+ {EGTB} 1...Kc5 2.Ned5 Kd4! 3.Ke8 Ke4 4.Kf7! Kf5! 5.Na6! Kg5 6.Nab4 Kf5! 7.Nc6! Ke4! 8.Ke6! Kd3! 9.Kf5! Kc4! 10.Ke4! Kb5! 11.Nce7 Kc4! 12.Ng6 Kc5 13.Nf8 Kc6 14.Ne6 Kb5! 15.Kd4 Ka6 16.Nec7+ Ka5! 17.Kc4! Ka4 18.Nb6+ Ka5! 19.Ncd5! Ka6 20.Kb4! Ka7! 21.Kb5! Kb7! 22.Nd7! Kc8! 23.Kc6! Kd8 24.N7f6! Kc8 25.Nh5 Kd8 26.Ng7! Kc8 27.Ne6! Kb8 28.Ng5 Kc8 29.Nf7! Kb8 30.Nb4! Kc8! 31.Na6! d5 32.Nc5 d4! 33.Nd3! Kb8 34.Nd6! Ka8 35.Kc7 Ka7 36.Nb4 d3 37.Nb5+ Ka8 38.Nd5! d2 39.Nb6#! ; 
3K1k2/8/4Np2/6N1/8/8/8/8 b - - ce +M37 ; pv 1.Nc5+ {EGTB} 1...Kb6 2.Nge6! Kc6 3.Ke7! Kd5 4.Kf6! Kd6 5.Kf5! Kd5! 6.Kf4! Kc4! 7.Ke4! Kc3! 8.Nd4! Kc4 9.Ndb3!! Kc3! 10.Kd5! Kb2! 11.Kd4 Kc2! 12.Kc4! Kd1! 13.Kd3! Ke1! 14.Ke3! Kf1 15.Nd4! Ke1! 16.Nc2+! Kd1! 17.Kd3! c6! 18.Ne3+ Ke1! 19.Ne4! c5 20.Nc4! Kd1! 21.Nf2+! Ke1! 22.Ke3! Kf1 23.Ne4! Ke1! 24.Nc3! Kf1 25.Kf4! Kf2 26.Kg4! Kf1! 27.Kg3! Ke1! 28.Kf3! Kf1 29.Na4 Ke1! 30.Nab2! Kf1 31.Nd3! Kg1 32.Ne3! c4 33.Nf4! c3 34.Kg3! c2 35.Nh3+ Kh1 36.Ng4! c1=Q 37.Ngf2#!! ; 
1k1K4/p7/6N1/8/8/5N2/8/8 w - - ce +M84 ; pv 1.Nge5 {EGTB} 1...Kb7! 2.Kd7! Kb6! 3.Kd6! Kb5! 4.Nd4+! Kb4! 5.Ndc6+! Kb5! 6.Kd5! a5! 7.Nc4! Ka4! 8.Nd2! Kb5! 9.Nb1! Ka4! 10.Nd4! Kb4 11.Ne2! Kb5 12.Nc1 Kb4! 13.Nd3+ Kb3! 14.Kd4!! Ka4 15.Nc3+! Kb3! 16.Nc5+! Kb4! 17.N5a4! Ka3! 18.Kc5! Kb3 19.Kb5! Ka3! 20.Nc5! Kb2! 21.Kc4! Kc2! 22.N5e4! Kb2! 23.Kd3! a4 24.Nd2!! Ka3! 25.Nd5! Kb2! 26.Nb4! Ka3! 27.Kc4! Kb2 28.Kd4!! Kc1! 29.Ne4 Kd1! 30.Ke3! Ke1! 31.Na2 Kd1! 32.Nec3+! Ke1! 33.Ne2 Kf1 34.Nf4! Ke1! 35.Ng2+! Kf1 36.Kf3! Kg1! 37.Ne3! Kh2! 38.Nc1 a3! 39.Na2! Kg1! 40.Kg3! Kh1 41.Kf2! Kh2 42.Ng2! Kh3 43.Kf3!! Kh2 44.Nf4! Kg1! 45.Ke2! Kh1! 46.Kf1! Kh2 47.Kf2!! Kh1 48.Kg3! Kg1 49.Ne2+! Kf1! 50.Kf3! Ke1 51.Ng3! Kd1! 52.Ke4! Kd2! 53.Kd4! Kd1! 54.Kd3! Ke1 55.Ke3! Kd1 56.Ne4 Ke1! 57.Nd2! Kd1 58.Nf3! Kc2 59.Ke2! Kb2! 60.Kd2 Kb3! 61.Kd3!! Ka4! 62.Kc4!! Ka5 63.Kc5!! Ka6! 64.Kc6! Ka7 65.Ne5 Kb8! 66.Kd7! Ka7! 67.Kc7!! Ka6! 68.Kc6!! Ka7 69.Nd7 Ka6! 70.Nb8+! Ka7! 71.Kc7!! Ka8 72.Nd7 Ka7 73.Nc5! Ka8 74.Kb6! Kb8 75.Nb7! Kc8! 76.Kc6!! Kb8 77.Nd6! Ka7! 78.Kb5! Kb8! 79.Kb6!! Ka8 80.Kc7! Ka7 81.Nb4! a2 82.Nb5+ Ka8 83.Nd5!! a1=Q 84.Nb6#!! ; 
3K1N2/2p5/8/N7/5k2/8/8/8 b - - ce -M50 ; pv 1...Ke5 {EGTB} 2.Nd7+! Kd5! 3.Kc8! c6 4.Kc7! c5! 5.Nb6+!! Ke5 6.Nac4+! Kf5 7.Kc6 Ke4! 8.Kb5! Kd4 9.Ka4! Kc3! 10.Ka3! Kc2 11.Na4! Kd3! 12.Kb3! Kd4! 13.Nc3! Kd3 14.Nb5! Ke4 15.Kc3 Kf4! 16.Kd3 Kf3! 17.Nc3! Kf4! 18.Ke2! Kg4 19.Nd5 Kg5 20.Ke3 Kf5 21.Kf3! Kg5! 22.Nde3 Kf6! 23.Kf4 Ke6! 24.Kg5! Kd7 25.Nd5 Ke6! 26.Ndb6 Kf7! 27.Kf5! Ke7! 28.Nc8+! Kf7 29.N8d6+! Ke7! 30.Ke5! Kd7! 31.Kf6! Kc7! 32.Ke7! Kc6! 33.Ke6! Kc7 34.Ne4! Kd8! 35.Nf6! Kc8 36.Ke7! Kc7! 37.Nd5+ Kc6! 38.Nc3! Kc7! 39.Ke8! Kc6! 40.Kd8! Kb7 41.Kd7! Kb8 42.Ne4 Ka8 43.Ned6 Ka7! 44.Kc7! Ka6! 45.Kc6! Ka7 46.Kb5! Ka8 47.Na5 c4 48.Nc6 c3 49.Kb6 c2 50.Nb5 c1=Q 51.Nc7#!! ; 
3K4/3N4/2p4k/N7/8/8/8/8 w - - ce +M34 ; pv 1.Nc5 {EGTB} 1...Kg6 2.Ke7! Kf5! 3.Nc4! Kg5 4.Ke6! Kf4! 5.Nd6 Kg4 6.Ke5! Kf3! 7.Nf5 Kg4! 8.Nd4! Kg5! 9.Nf3+! Kg4! 10.Ke4! Kg3 11.Ne5! Kg2 12.Kf4! Kf2! 13.Nc4! Ke2! 14.Kg3! Ke1 15.Kf3! Kd1! 16.Nd6! Kd2 17.Nde4+! Ke1! 18.Ke3! Kf1 19.Ng3+ Ke1! 20.Ne2 Kf1 21.Nd4 Ke1! 22.Nc2+! Kd1! 23.Kd3! Kc1 24.Ne3! Kb2! 25.Kd2! Ka3! 26.Kc3! Ka2 27.Nc4! Kb1! 28.Kd2! Ka1! 29.Kc1! Ka2 30.Kc2! Ka1 31.Nb3+! Ka2 32.Nc1+! Ka1 33.Na5 c5 34.Nab3#! ; 
3K4/7k/2Np4/N7/8/8/8/8 w - - ce +M47 ; pv 1.Kd7 {EGTB} 1...Kh6! 2.Nd4 Kg5! 3.Ke6 Kf4! 4.Kd5! Ke3! 5.Kc4! Ke4 6.Nac6 Ke3! 7.Ne7 d5+! 8.Kc3! Ke4 9.Nec6! Ke3! 10.Kc2! Ke4! 11.Kd2! Kf4 12.Kd3! Kg5 13.Ke3! Kg4! 14.Ne5+! Kg5! 15.Kf3! Kf6! 16.Kf4! Ke7! 17.Kf5 Kd6! 18.Nd3! Ke7! 19.Kg6! Kf8! 20.Kf6! Ke8! 21.Nc5 Kf8! 22.Nb7! Ke8! 23.Ke6! Kf8 24.Nd6! Kg7! 25.Kf5! Kh6! 26.Ne8! Kh5! 27.Ng7+ Kh4! 28.Nge6 Kh3 29.Kf4! Kh4! 30.Nc5! Kh5! 31.Kf5! Kh6 32.Nde6! d4 33.Nd3!! Kh5! 34.Ng7+! Kh4! 35.Kf4! Kh3 36.Nf5! Kh2 37.Kg4! Kg2 38.Nd6 Kg1 39.Ne4 Kf1! 40.Kf3! Kg1 41.Nd2! Kh2! 42.Nf4! d3 43.Kf2! Kh1 44.Kg3! Kg1 45.Nh3+! Kh1 46.Nf3 d2 47.Nf2#!! ; 
3K1k2/8/5N2/N1p5/8/8/8/8 w - - ce +M40 ; pv 1.Nc4 {EGTB} 1...Kf7! 2.Nd5! Kg6 3.Ke7! Kf5! 4.Nc3! Kg5 5.Ke6! Kf4! 6.Kf6 Kg4! 7.Ke5! Kf3! 8.Kf5! Kg3! 9.Ke4! Kg4! 10.Nd1 Kg5! 11.Nde3! Kf6! 12.Kf4! Ke6! 13.Kg5! Kd7 14.Nd5 Ke6! 15.Ndb6 Kf7! 16.Kf5! Ke7! 17.Nc8+! Kf7 18.N8d6+! Ke7! 19.Ke5! Kd7! 20.Kf6! Kc7! 21.Ke7! Kc6! 22.Ke6! Kc7 23.Ne4! Kd8! 24.Nf6! Kc8 25.Ke7! Kc7! 26.Nd5+ Kc6! 27.Nc3! Kc7! 28.Ke8! Kc6! 29.Kd8! Kb7 30.Kd7! Kb8 31.Ne4 Ka8 32.Ned6 Ka7! 33.Kc7! Ka6! 34.Kc6! Ka7 35.Kb5! Ka8 36.Na5 c4 37.Nc6 c3 38.Kb6 c2 39.Nb5 c1=Q 40.Nc7#!! ; 
3K1k2/8/5N2/N1p5/8/8/8/8 w - - ce +M40 ; pv 1.Nc4 {EGTB} 1...Kf7! 2.Nd5! Kg6 3.Ke7! Kf5! 4.Nc3! Kg5 5.Ke6! Kf4! 6.Kf6 Kg4! 7.Ke5! Kf3! 8.Kf5! Kg3! 9.Ke4! Kg4! 10.Nd1 Kg5! 11.Nde3! Kf6! 12.Kf4! Ke6! 13.Kg5! Kd7 14.Nd5 Ke6! 15.Ndb6 Kf7! 16.Kf5! Ke7! 17.Nc8+! Kf7 18.N8d6+! Ke7! 19.Ke5! Kd7! 20.Kf6! Kc7! 21.Ke7! Kc6! 22.Ke6! Kc7 23.Ne4! Kd8! 24.Nf6! Kc8 25.Ke7! Kc7! 26.Nd5+ Kc6! 27.Nc3! Kc7! 28.Ke8! Kc6! 29.Kd8! Kb7 30.Kd7! Kb8 31.Ne4 Ka8 32.Ned6 Ka7! 33.Kc7! Ka6! 34.Kc6! Ka7 35.Kb5! Ka8 36.Na5 c4 37.Nc6 c3 38.Kb6 c2 39.Nb5 c1=Q 40.Nc7#!! ; 
3K4/8/k1pN3N/8/8/8/8/8 w - - ce +M51 ; pv 1.Nhf5 {EGTB} 1...Kb6 2.Kd7 Ka6 3.Ne3 Kb6 4.Nec4+ Kc5! 5.Kc7! Kd5 6.Kb6! Kd4! 7.Ka5! Kc3! 8.Ka4! Kc2! 9.Kb4! c5+! 10.Ka4 Kc3! 11.Ka3! Kc2! 12.Nb5! Kc1! 13.Kb3! Kd1! 14.Nbd6 Ke1 15.Kc3 Ke2 16.Ne4! Kf3! 17.Kd3! Kf4! 18.Nc3 Kf3! 19.Nd5! Kg3! 20.Ke3 Kg4! 21.Ke4! Kg5! 22.Nde3! Kf6! 23.Kf4! Ke6! 24.Kg5! Kd7 25.Nd5 Ke6! 26.Ndb6 Kf7! 27.Kf5! Ke7! 28.Nc8+! Kf7 29.N8d6+! Ke7! 30.Ke5! Kd7! 31.Kf6! Kc7! 32.Ke7! Kc6! 33.Ke6! Kc7 34.Ne4! Kd8! 35.Nf6! Kc8 36.Ke7! Kc7! 37.Nd5+ Kc6! 38.Nc3! Kc7! 39.Ke8! Kc6! 40.Kd8! Kb7 41.Kd7! Kb8 42.Ne4 Ka8 43.Ned6 Ka7! 44.Kc7! Ka6! 45.Kc6! Ka7 46.Kb5! Ka8 47.Na5 c4 48.Nc6 c3 49.Kb6 c2 50.Nb5 c1=Q 51.Nc7#!! ; 
3K4/p7/4N2k/1N6/8/8/8/8 w - - ce +M82 ; pv 1.Nc5 {EGTB} 1...a6 2.Nd6! a5 3.Na4! Kg6 4.Ke7! Kg5! 5.Kf7 Kg4! 6.Kf6! Kf4! 7.Ke6! Ke3! 8.Kd5! Kf4! 9.Kd4! Kf3 10.Ke5! Ke3 11.Nc4+! Kf3 12.Kf5! Ke2! 13.Ke4! Kf2! 14.Ne5! Kg3! 15.Ke3! Kh4! 16.Kf4! Kh5! 17.Kf5! Kh4! 18.Nc6 Kh5 19.Ne7 Kh4! 20.Kf4! Kh5! 21.Nd5! Kh6 22.Kf5! Kh5! 23.Nf6+ Kh6 24.Ne8 Kh5! 25.Ng7+! Kh4! 26.Kf4! Kh3 27.Nf5! Kg2! 28.Ke3! Kf1! 29.Nh4! Kg1! 30.Ke2! Kh2! 31.Kf3! Kg1! 32.Nc3 a4 33.Na2 Kh1 34.Ng2! Kg1! 35.Ne3! Kh2! 36.Nc1 a3! 37.Na2! Kg1! 38.Kg3! Kh1 39.Kf2! Kh2 40.Ng2! Kh3 41.Kf3!! Kh2 42.Nf4! Kg1! 43.Ke2! Kh1! 44.Kf1! Kh2 45.Kf2!! Kh1 46.Kg3! Kg1 47.Ne2+! Kf1! 48.Kf3! Ke1 49.Ng3! Kd1! 50.Ke4! Kd2! 51.Kd4! Kd1! 52.Kd3! Ke1 53.Ke3! Kd1 54.Ne4 Ke1! 55.Nd2! Kd1 56.Nf3! Kc2 57.Ke2! Kb2! 58.Kd2 Kb3! 59.Kd3!! Ka4! 60.Kc4!! Ka5 61.Kc5!! Ka6! 62.Kc6! Ka7 63.Ne5 Kb8! 64.Kd7! Ka7! 65.Kc7!! Ka6! 66.Kc6!! Ka7 67.Nd7 Ka6! 68.Nb8+! Ka7! 69.Kc7!! Ka8 70.Nd7 Ka7 71.Nc5! Ka8 72.Kb6! Kb8 73.Nb7! Kc8! 74.Kc6!! Kb8 75.Nd6! Ka7! 76.Kb5! Kb8! 77.Kb6!! Ka8 78.Kc7! Ka7 79.Nb4! a2 80.Nb5+ Ka8 81.Nd5!! a1=Q 82.Nb6#!! ; 
3K4/6p1/6N1/8/8/8/8/N6k w - - ce +M66 ; pv 1.Kd7 {EGTB} 1...Kh2 2.Ke6! Kh3 3.Kf5! Kg3! 4.Nc2 Kf3! 5.Nd4+! Ke3! 6.Ne6 Kf3! 7.Ng5+ Ke3! 8.Nf4 Kd4! 9.Ke6! Kc4 10.Ke5! Kc5! 11.Nd5 Kc4! 12.Ke4! Kc5! 13.Ne3! Kb4! 14.Kd4! Kb3! 15.Nd5! Kc2! 16.Ke3! Kb2! 17.Kd2! Kb3 18.Kd3! Ka4! 19.Kc4! Ka5! 20.Ne7! Ka6! 21.Nc6 Kb7! 22.Kc5! Ka6! 23.Nd4 Ka5! 24.Nb3+! Ka4! 25.Kc4! Ka3! 26.Nc5! Kb2! 27.Kd3! Kc1! 28.Na4! Kd1! 29.Nb2+! Ke1! 30.Ke3! g6! 31.Nd3+ Kd1! 32.Nb4! Kc1! 33.Ke2! Kb1! 34.Kd2! Kb2! 35.Nc2 Kb3! 36.Kd3! Ka4! 37.Kc4! Ka5 38.Nd4! Kb6! 39.Kb4! Kc7! 40.Kc5! Kd7! 41.Nc6! Kc8! 42.Ne5! Kb7! 43.Nc4! Kc7! 44.Ne3 Kb7! 45.Nd5! Ka6! 46.Kb4! Kb7! 47.Kb5! Kc8! 48.Kc6! Kd8! 49.Kd6! Kc8! 50.Nb6+ Kd8 51.Nd7 Kc8! 52.Nc5! Kd8! 53.Nb7+! Ke8! 54.Ke6! Kf8 55.Nd6 Kg7! 56.Ndf7! Kg8 57.Nh6+ Kf8! 58.Kd7! Kg7 59.Ng4! Kf8! 60.Kd8! Kg8 61.Ke8 Kh8 62.Ne6! g5 63.Nf6 g4 64.Kf8 g3 65.Ng5 g2 66.Nf7#!! ; 
3K4/8/6N1/3p4/8/8/3N3k/8 w - - ce +M48 ; pv 1.Nf3+ {EGTB} 1...Kh3 2.Nd4! Kg3 3.Nf8 Kh3 4.Nfe6 Kg3 5.Kd7 Kf2! 6.Kd6 Ke3 7.Ke5 Kd2! 8.Nb3+ Ke2 9.Ned4+! Ke3! 10.Kf5! Kd3! 11.Kf4! Kc4! 12.Ke3! Kc3! 13.Ke2! Kc4! 14.Kd2! Kb4 15.Kd3! Ka3! 16.Nc5 Kb4! 17.Nd7! Ka5 18.Kc3! Ka4! 19.Ne5! Ka5! 20.Kb3! Ka6! 21.Ka4! Kb6 22.Kb4! Kb7 23.Kc5! Kc8! 24.Kc6! Kd8! 25.Kd6! Ke8 26.Ke6! Kd8! 27.Kf7! Kc8! 28.Ke8! Kc7! 29.Ke7! Kc8! 30.Nd7 Kc7! 31.Nc5! Kc8! 32.Nce6! Kb7! 33.Kd6! Kb6! 34.Nc5 Ka5! 35.Nd3! Kb6! 36.Nc1 Kb7 37.Kd7! Kb8 38.Ncb3 Kb7! 39.Kd8! Kb6! 40.Kc8! Ka7! 41.Kc7! Ka6! 42.Kc6! Ka7 43.Nc5! Kb8! 44.Kd7! Ka8 45.Nc6 d4 46.Kc7 d3 47.Na4 d2 48.Nb6#! ; 
3K2N1/p7/8/N7/6k1/8/8/8 w - - ce +M62 ; pv 1.Kd7 {EGTB} 1...Kf4 2.Kd6 Kf5 3.Kd5! Kf4! 4.Ne7 Kf3! 5.Ke5 Ke3! 6.Kf5! Kd3 7.Kf4! Kd4 8.Nec6+! Kd5 9.Kf5! Kd6! 10.Ke4! Ke6! 11.Nb8 Kf6! 12.Na6! Kg5! 13.Nc6 Kg4! 14.Nd4! Kg5! 15.Kf3! Kh5 16.Ne6 Kh4 17.Kf4! Kh5! 18.Nec7 Kh4 19.Nd5! Kh5! 20.Ne7! Kh6! 21.Kg4! Kg7! 22.Kf5! Kh6! 23.Nc8 Kh5! 24.Nd6! Kh4! 25.Ne4! Kh3! 26.Kf4! Kg2! 27.Kg4! Kf1! 28.Kf3! Ke1! 29.Ke3! Kd1! 30.Ng3 Kc2! 31.Ne2! Kb3! 32.Kd3! Ka4! 33.Kc4! Ka5! 34.Nc5! Kb6! 35.Nd4! a6 36.Kd5! Kc7! 37.Ke6! Kb6! 38.Kd6! Ka5! 39.Nd3! Kb6! 40.Ne5! a5 41.Nc4+! Kb7! 42.Ne6! a4! 43.Na3! Kb6! 44.Kd5! Kb7! 45.Kc5! Ka7! 46.Kc6! Ka6! 47.Nc7+ Ka7 48.Nd5! Ka6! 49.Kd6 Kb7! 50.Kd7! Ka6! 51.Kc8 Ka7 52.Kc7! Ka6! 53.Nf4 Ka7 54.Nd3! Ka6! 55.Kc6! Ka5! 56.Nc4+! Ka6 57.Nb4+ Ka7 58.Nd6 a3 59.Kc7! a2 60.Nb5+ Ka8 61.Nd5!! a1=Q 62.Nb6#!! ; 
3K4/5p2/7N/8/8/8/8/1k4N1 w - - ce +M40 ; pv 1.Nf5 {EGTB} 1...Kc2! 2.Nh3 Kd3! 3.Ke7! Ke4! 4.Kf6! Kd5! 5.Nf2! Kc6 6.Ke5! Kc5! 7.Ne4+! Kc4! 8.Kd6! Kb4 9.Kd5! Kb5! 10.Nf6 Kb4! 11.Kd4! Kb5 12.Ne7 Kb4! 13.Nc6+! Kb5 14.Kd5! Ka4! 15.Kc4! Ka3 16.Ne5 Ka4 17.Nd3 Ka5! 18.Nb2 Ka6! 19.Na4! Ka5! 20.Nc3! Ka6! 21.Kd4 Kb6! 22.Kd5! Ka6 23.Kc6! Ka5! 24.Kc5! Ka6 25.Na4 Ka7! 26.Nb2 Kb7! 27.Nc4! Kc7! 28.Kd5! Kc8! 29.Kc6! Kd8! 30.Kd6! Kc8 31.Na5! Kb8! 32.Kc6! Ka7! 33.Nc4 Ka6! 34.Nd7 f6 35.Nb8+ Ka7 36.Kc7! f5! 37.Na5 f4 38.Nac6+! Ka8 39.Nd7! f3 40.Nb6#! ; 
3K4/2N1p3/5N2/8/1k6/8/8/8 w - - ce +M51 ; pv 1.Ne4 {EGTB} 1...e6! 2.Ne8 Kc4! 3.N8f6 Kd4! 4.Kd7 Kd3! 5.Ng3 Ke3 6.Kd6! Kf3 7.Nge4 Kf4 8.Kc5! Kf5 9.Kc4 Ke5 10.Kd3! Kf4! 11.Nd7! Kf5! 12.Ke3! e5! 13.Ndf6 Ke6 14.Nh5 Ke7 15.Nhg3 Ke6! 16.Kd3 Kd5! 17.Nf5 Ke6! 18.Ne3! Kd7! 19.Kc4! Kc6! 20.Nd5! Kd7! 21.Kc5 Ke6! 22.Ne3! Kd7! 23.Kb6! Kc8! 24.Kc6! Kd8! 25.Nd5 Kc8! 26.Nc7 Kd8! 27.Kd6! Kc8 28.Ne6! Kb7! 29.Kc5! Ka6! 30.Nd8! Ka5! 31.Nf7 Ka4! 32.Nh6 Ka3! 33.Kc4! Ka4! 34.Nf5 Ka5! 35.Kc5! Ka6 36.Ned6! e4 37.Ne3!! Ka5! 38.Nb7+! Ka4! 39.Kc4! Ka3 40.Nc5! Ka2 41.Kb4! Kb2 42.Ne6 Kb1 43.Nf4 Kc1! 44.Kc3! Kb1 45.Ne2! Ka2! 46.Nc4! e3 47.Kc2! Ka1 48.Kb3! Kb1 49.Na3+! Ka1 50.Nc3 e2 51.Nc2#!! ; 
3K4/p5k1/6N1/8/N7/8/8/8 w - - ce +M81 ; pv 1.Ne5 {EGTB} 1...Kf6! 2.Nc4! a5! 3.Kd7! Kf5! 4.Kd6! Ke4! 5.Ke6! Kf4 6.Nd6 Ke3! 7.Kd5! Kf4! 8.Kd4! Kf3 9.Ke5! Ke3 10.Nc4+! Kf3 11.Kf5! Ke2! 12.Ke4! Kf2! 13.Ne5! Kg3! 14.Ke3! Kh4! 15.Kf4! Kh5! 16.Kf5! Kh4! 17.Nc6 Kh5 18.Ne7 Kh4! 19.Kf4! Kh5! 20.Nd5! Kh6 21.Kf5! Kh5! 22.Nf6+ Kh6 23.Ne8 Kh5! 24.Ng7+! Kh4! 25.Kf4! Kh3 26.Nf5! Kg2! 27.Ke3! Kf1! 28.Nh4! Kg1! 29.Ke2! Kh2! 30.Kf3! Kg1! 31.Ng2 Kf1! 32.Nc3! a4! 33.Ne3+ Ke1! 34.Nc4! a3! 35.Na2!! Kf1! 36.Ne5! Kg1 37.Nd3! Kf1! 38.Kf4! Kg2! 39.Kg4! Kh1! 40.Nf4 Kh2! 41.Kf3! Kg1! 42.Ke2! Kh1! 43.Kf1! Kh2 44.Kf2!! Kh1 45.Kg3! Kg1 46.Ne2+! Kf1! 47.Kf3! Ke1 48.Ng3! Kd1! 49.Ke4! Kd2! 50.Kd4! Kd1! 51.Kd3! Ke1 52.Ke3! Kd1 53.Ne4 Ke1! 54.Nd2! Kd1 55.Nf3! Kc2 56.Ke2! Kb2! 57.Kd2 Kb3! 58.Kd3!! Ka4! 59.Kc4!! Ka5 60.Kc5!! Ka6! 61.Kc6! Ka7 62.Ne5 Kb8! 63.Kd7! Ka7! 64.Kc7!! Ka6! 65.Kc6!! Ka7 66.Nd7 Ka6! 67.Nb8+! Ka7! 68.Kc7!! Ka8 69.Nd7 Ka7 70.Nc5! Ka8 71.Kb6! Kb8 72.Nb7! Kc8! 73.Kc6!! Kb8 74.Nd6! Ka7! 75.Kb5! Kb8! 76.Kb6!! Ka8 77.Kc7! Ka7 78.Nb4! a2 79.Nb5+ Ka8 80.Nd5!! a1=Q 81.Nb6#!! ; 
3K4/8/1Np1Nk2/8/8/8/8/8 w - - ce +M34 ; pv 1.Nc5 {EGTB} 1...Kg6 2.Ke7! Kf5! 3.Nbd7 Kg5 4.Ke6! Kf4! 5.Nf6! Ke3! 6.Ke5! Kf3! 7.Nfe4! Ke3 8.Ng5! Kd2! 9.Kd4! Ke2! 10.Ke4! Kd2! 11.Nf7! Ke2! 12.Nd6 Kf2! 13.Kf4! Kg2! 14.Nde4 Kh3! 15.Nd2! Kh4 16.Nf3+ Kh5 17.Ne5 Kh4! 18.Ng6+! Kh5! 19.Kf5! Kh6 20.Nf4! Kg7! 21.Ke6! Kf8! 22.Nh5! Ke8! 23.Ng7+! Kd8! 24.Kd6! Kc8 25.Nge6! Kb8 26.Ng5 Kc8! 27.Nf7! Kb8 28.Kd7! Ka8! 29.Kc7 Ka7 30.Nd6! Ka8 31.Kb6! Kb8 32.Na6+ Ka8 33.Ne8! c5 34.Nec7#! ; 
3K4/2N1p3/4N3/8/2k5/8/8/8 b - - ce -M34 ; pv 1...Kd3 {EGTB} 2.Kd7! Ke3 3.Kc6! Ke4! 4.Ng5+! Ke3 5.Nce6! Kd2! 6.Kc5 Kd3! 7.Kb4! Ke2 8.Kc4! Kd2! 9.Kd4! Ke2! 10.Ne4 Kf3! 11.Nd2+! Kg3 12.Nc4 Kf3! 13.Kd3 Kg4! 14.Ke4! Kg3! 15.Ne5! Kf2! 16.Kd3! Kf1! 17.Ke3! Ke1! 18.Nc6 Kf1 19.Nb4! Ke1! 20.Nc2+! Kd1! 21.Kd3! Kc1 22.Ne3! Kb2! 23.Nc5 e5! 24.Kc4! e4 25.Kb4! Ka2 26.Ne6 Kb2 27.Nf4 Kc1! 28.Kc3! Kb1 29.Ne2! Ka2! 30.Nc4! e3 31.Kc2! Ka1 32.Kb3! Kb1 33.Na3+! Ka1 34.Nc3 e2 35.Nc2#!! ; 
2NK4/1p6/6N1/8/8/3k4/8/8 w - - ce +M66 ; pv 1.Nb6 {EGTB} 1...Ke3 2.Ne7 Kf3 3.Nec8 Kg3 4.Na7 Kg4 5.Kd7 Kf4 6.Kd6 Ke4! 7.Nb5! Kf4! 8.Nc4 Ke4! 9.Ke6 Kf4! 10.Kd5! Kf5! 11.Ne5 Kf4! 12.Kd4! Kf5! 13.Nd3! Kg4! 14.Ke4! Kg3! 15.Ne5! Kf2! 16.Kd3! Kg2! 17.Ke2! Kg3 18.Ke3! Kh4! 19.Kf4! Kh5! 20.Nd7! Kh6! 21.Nf6 Kg7! 22.Kf5! Kh6! 23.Ne8 Kh5! 24.Ng7+! Kh4! 25.Kf4! Kh3! 26.Nf5! Kg2! 27.Ke3! Kf1! 28.Nh4! Ke1! 29.Ng2+! Kd1! 30.Kd3! b6! 31.Ne3+ Ke1! 32.Ng4! Kf1! 33.Kd2! Kg1! 34.Ke2! Kg2! 35.Nf2 Kg3! 36.Ke3! Kh4! 37.Kf4! Kh5 38.Ne4! Kg6! 39.Kg4! Kf7! 40.Kf5! Ke7! 41.Nf6! Kf8! 42.Nd5! Kg7! 43.Nf4! Kf7! 44.Nd3 Kg7! 45.Ne5! Kh6! 46.Kg4! Kg7! 47.Kg5! Kf8! 48.Kf6! Ke8! 49.Ke6! Kf8! 50.Ng6+ Ke8 51.Ne7 Kf8! 52.Nf5! Ke8! 53.Ng7+! Kd8! 54.Kd6! Kc8 55.Ne8 Kd8 56.Nec7! Kc8 57.Ke7! Kb8! 58.Na6+ Kb7! 59.Nb4! Kc8! 60.Ke8! Kb8 61.Kd8 Ka8 62.Nd6! b5 63.Nc6 b4 64.Kc8 b3 65.Nb5 b2 66.Nc7#!! ; 
3K4/8/1Npk2N1/8/8/8/8/8 w - - ce +M51 ; pv 1.Nc4+ {EGTB} 1...Kd5 2.Nge5!! Kc5 3.Ke7 Kd5! 4.Kf6! Kc5 5.Kf5 Kd5 6.Ne3+ Kd4! 7.Kf4! Kc3! 8.Ke4! Kd2! 9.Nd7! c5! 10.Nc4+!! Kc2! 11.Ndb6 Kc3! 12.Ke3! Kb3 13.Kd3 Kb4! 14.Kc2! Kb5 15.Kb3! Kc6! 16.Nc8! Kc7 17.N8d6! Kd7 18.Kc3 Ke7 19.Kd3! Ke6! 20.Ke4! Kf6! 21.Nf5! Kg6 22.Nfe3 Kf6 23.Kf4! Ke6! 24.Kg5! Kd7 25.Nd5 Ke6! 26.Ndb6 Kf7! 27.Kf5! Ke7! 28.Nc8+! Kf7 29.N8d6+! Ke7! 30.Ke5! Kd7! 31.Kf6! Kc7! 32.Ke7! Kc6! 33.Ke6! Kc7 34.Ne4! Kd8! 35.Nf6! Kc8 36.Ke7! Kc7! 37.Nd5+ Kc6! 38.Nc3! Kc7! 39.Ke8! Kc6! 40.Kd8! Kb7 41.Kd7! Kb8 42.Ne4 Ka8 43.Ned6 Ka7! 44.Kc7! Ka6! 45.Kc6! Ka7 46.Kb5! Ka8 47.Na5 c4 48.Nc6 c3 49.Kb6 c2 50.Nb5 c1=Q 51.Nc7#!! ; 
3K4/5k2/1p3N2/1N6/8/8/8/8 w - - ce +M49 ; pv 1.Nd5 {EGTB} 1...Ke6! 2.Nb4! Kf6 3.Kd7! Kf5 4.Kd6! Ke4! 5.Ke6! Kf4! 6.Kd5! Kf3 7.Ke5! Kg3 8.Nd3 Kf3! 9.Kd4! Ke2! 10.Ke4! Kd2 11.Nb4! Ke2! 12.Kf4! Kd2! 13.Kf3! Kd1! 14.Ke3! Kc1! 15.Ke2! Kb2! 16.Kd3! Kc1! 17.Nd5! Kd1! 18.Nf6 Ke1! 19.Ne4! Kf1! 20.Ke3! Kg2! 21.Ke2! Kh3! 22.Kf3! Kh4! 23.Kf4! Kh5! 24.Nf6+! Kg6! 25.Ng4! Kg7! 26.Kg5! Kf7! 27.Kf5! Kg7! 28.Ne5! Kh6! 29.Kg4! Kg7! 30.Kg5! Kf8! 31.Kf6! Ke8! 32.Ke6! Kf8! 33.Ng6+ Ke8 34.Ne7 Kf8! 35.Nf5! Ke8! 36.Ng7+! Kd8! 37.Kd6! Kc8 38.Ne8 Kd8 39.Nec7! Kc8 40.Ke7! Kb8! 41.Na6+ Kb7! 42.Nb4! Kc8! 43.Ke8! Kb8 44.Kd8 Ka8 45.Nd6! b5 46.Nc6 b4 47.Kc8 b3 48.Nb5 b2 49.Nc7#!! ; 
3K4/k7/3p2N1/3N4/8/8/8/8 w - - ce +M30 ; pv 1.Kd7 {EGTB} 1...Kb7 2.Nh4! Ka7 3.Nf5 Ka6! 4.Nd4 Ka5! 5.Kc7 Ka4! 6.Kb6! Ka3 7.Kb5 Kb2! 8.Kb4 Kc1! 9.Kc3! Kd1! 10.Kd3! Kc1! 11.Nb6 Kb2! 12.Nc4+ Kc1! 13.Ne2+! Kd1 14.Nb2+! Ke1 15.Ke3! d5! 16.Nd4! Kf1 17.Nd3! Kg2! 18.Nf5 d4+ 19.Kf4! Kh2 20.Kg4! Kg2 21.Nd6 Kg1 22.Ne4 Kf1! 23.Kf3! Kg1 24.Nd2! Kh2! 25.Nf4! d3 26.Kf2! Kh1 27.Kg3! Kg1 28.Nh3+! Kh1 29.Nf3 d2 30.Nf2#!! ; 
3K1k2/8/p6N/8/N7/8/8/8 b - - ce -M83 ; pv 1...a5 {EGTB} 2.Ng4 Kf7! 3.Kd7! Kg6! 4.Ne5+ Kg5 5.Nc4 Kf6 6.Kd6! Kf5! 7.Kd5! Kf4! 8.Nd6! Ke3! 9.Kc4! Kf3! 10.Kd3! Kf4! 11.Kd4! Kf3 12.Ke5! Ke3 13.Nc4+! Kf3 14.Kf5! Ke2! 15.Ke4! Kf2! 16.Ne5! Kg3! 17.Ke3! Kh4! 18.Kf4! Kh5! 19.Kf5! Kh4! 20.Nc6 Kh5 21.Ne7 Kh4! 22.Kf4! Kh5! 23.Nd5! Kh6 24.Kf5! Kh5! 25.Nf6+ Kh6 26.Ne8 Kh5! 27.Ng7+! Kh4! 28.Kf4! Kh3 29.Nf5! Kg2! 30.Ke3! Kf1! 31.Nh4! Kg1! 32.Ke2! Kh2! 33.Kf3! Kg1! 34.Ng2 Kf1! 35.Nc3! a4! 36.Ne3+ Ke1! 37.Nc4! a3! 38.Na2!! Kf1! 39.Ne5! Kg1 40.Nd3! Kf1! 41.Kf4! Kg2! 42.Kg4! Kh1! 43.Nf4 Kh2! 44.Kf3! Kg1! 45.Ke2! Kh1! 46.Kf1! Kh2 47.Kf2!! Kh1 48.Kg3! Kg1 49.Ne2+! Kf1! 50.Kf3! Ke1 51.Ng3! Kd1! 52.Ke4! Kd2! 53.Kd4! Kd1! 54.Kd3! Ke1 55.Ke3! Kd1 56.Ne4 Ke1! 57.Nd2! Kd1 58.Nf3! Kc2 59.Ke2! Kb2! 60.Kd2 Kb3! 61.Kd3!! Ka4! 62.Kc4!! Ka5 63.Kc5!! Ka6! 64.Kc6! Ka7 65.Ne5 Kb8! 66.Kd7! Ka7! 67.Kc7!! Ka6! 68.Kc6!! Ka7 69.Nd7 Ka6! 70.Nb8+! Ka7! 71.Kc7!! Ka8 72.Nd7 Ka7 73.Nc5! Ka8 74.Kb6! Kb8 75.Nb7! Kc8! 76.Kc6!! Kb8 77.Nd6! Ka7! 78.Kb5! Kb8! 79.Kb6!! Ka8 80.Kc7! Ka7 81.Nb4! a2 82.Nb5+ Ka8 83.Nd5!! a1=Q 84.Nb6#!! ; 
3K4/8/4p1N1/8/8/8/2k5/7N w - - ce +M38 ; pv 1.Ne5 {EGTB} 1...Kd2 2.Nf2 Ke3! 3.Nfg4+! Ke4 4.Kd7 Kd5! 5.Ke7 Kc5! 6.Nf6! Kb5 7.Ne4 Kb6 8.Kd7 Kb5! 9.Kc7 Ka5 10.Kc6! Kb4! 11.Kb6! Ka4! 12.Nc6 Kb3! 13.Kb5 Kc2! 14.Kc4! e5 15.Ne7! Kd1! 16.Kd3! Ke1 17.Nf5! Kd1! 18.Nfg3! Ke1 19.Kc3 Kd1 20.Kc4! Ke1 21.Kd3! Kd1 22.Nf5! Ke1! 23.Nh4! Kf1 24.Kd2! Kg1 25.Ke2! Kh2! 26.Kf3! Kg1! 27.Ng2! Kh2! 28.Ne3! Kh3! 29.Nf5! Kh2 30.Kg4! Kg2 31.Ne3+! Kh2! 32.Kh4! Kh1! 33.Kh3! Kg1 34.Kg3! Kh1 35.Nf2+! Kg1 36.Nh3+! Kh1 37.Ng4 e4 38.Ngf2#! ; 
1k1K4/4p3/8/N7/7N/8/8/8 w - - ce +M34 ; pv 1.Nc4 {EGTB} 1...e6 2.Ng2! Kb7! 3.Kd7! e5! 4.Nd6+! Kb6! 5.Ne4! Kb7 6.Ne3 Kb6! 7.Kd6! Kb5! 8.Kc7! Ka6! 9.Kc6! Ka5! 10.Nf6! Ka6 11.Nc4! e4! 12.Ne3!! Ka7 13.Nd7! Ka6! 14.Nb8+! Ka5! 15.Kc5! Ka4 16.Nc6! Ka3! 17.Kd5! Kb3! 18.Kd4! Ka3! 19.Kc3! Ka4! 20.Kc4! Ka3 21.Na5 Ka4! 22.Nb3 Ka3 23.Nc5! Ka2 24.Kb4! Kb2 25.Ne6 Kb1 26.Nf4 Kc1! 27.Kc3! Kb1 28.Ne2! Ka2! 29.Nc4! e3 30.Kc2! Ka1 31.Kb3! Kb1 32.Na3+! Ka1 33.Nc3 e2 34.Nc2#!! ; 
3K4/p1N5/6N1/8/4k3/8/8/8 w - - ce +M62 ; pv 1.Na6 {EGTB} 1...Kd4 2.Ne7 Kc4! 3.Nc6! Kb5! 4.Ncb4! Kc4! 5.Kd7 Kd4! 6.Kd6 Ke4! 7.Ke6! Kf4 8.Kd5! Kf3 9.Kd4! Kf4! 10.Kd3! Kf5 11.Ke3! Ke5! 12.Kf3! Kd4! 13.Kf4! Kc3! 14.Ke4 Kc4! 15.Ke5! Kc3! 16.Kd5! Kd2! 17.Kd4! Ke2! 18.Ke4! Kf2! 19.Nd5 Kg3! 20.Ne3! Kh4! 21.Kf4! Kh5! 22.Nd5! Kh6! 23.Kf5! Kh5! 24.Nf6+ Kh4! 25.Ne4 Kh3! 26.Kf4! Kg2! 27.Kg4! Kf1! 28.Kf3! Ke1! 29.Ke3! Kd1! 30.Ng3 Kc2! 31.Ne2! Kb3! 32.Kd3! Ka4! 33.Kc4! Ka5! 34.Nc5! Kb6! 35.Nd4! a6 36.Kd5! Kc7! 37.Ke6! Kb6! 38.Kd6! Ka5! 39.Nd3! Kb6! 40.Ne5! a5 41.Nc4+! Kb7! 42.Ne6! a4! 43.Na3! Kb6! 44.Kd5! Kb7! 45.Kc5! Ka7! 46.Kc6! Ka6! 47.Nc7+ Ka7 48.Nd5! Ka6! 49.Kd6 Kb7! 50.Kd7! Ka6! 51.Kc8 Ka7 52.Kc7! Ka6! 53.Nf4 Ka7 54.Nd3! Ka6! 55.Kc6! Ka5! 56.Nc4+! Ka6 57.Nb4+ Ka7 58.Nd6 a3 59.Kc7! a2 60.Nb5+ Ka8 61.Nd5!! a1=Q 62.Nb6#!! ; 
2NK4/5p2/5N2/8/8/k7/8/8 b - - ce -M38 ; pv 1...Kb4 {EGTB} 2.Ne7 Kc4 3.Kd7 Kd4 4.Kd6! Kc4 5.Nf5! Kb4 6.Nh5 Kc4 7.Nf4! Kb4! 8.Kd5! Kb3! 9.Kc5! Kc3! 10.Kb5! Kc2! 11.Kb4! Kd2! 12.Kc4! Ke1! 13.Kd3! Kf2! 14.Ke4! Ke1! 15.Ke3! Kd1! 16.Kd3! Ke1! 17.Nh3! Kf1 18.Ne3+ Ke1 19.Ng2+! Kf1! 20.Ngf4! Ke1! 21.Kc2! f6! 22.Kc1! f5! 23.Kc2! Kf1 24.Kc3! Ke1 25.Kd3! Kf1 26.Ke3! Ke1 27.Nf2! Kf1 28.N2d3! Kg1 29.Nb4 Kh1 30.Nbd5 Kg1! 31.Ke2! Kh2! 32.Kf3! Kh1 33.Kf2! Kh2 34.Ne3! Kh1 35.Nh3 Kh2! 36.Ng5 f4 37.Ng4+ Kh1 38.Ne4! f3 39.Ng3#! ; 
3K1N2/8/6Np/2k5/8/8/8/8 w - - ce +M83 ; pv 1.Kd7 {EGTB} 1...Kc4 2.Ne6 h5! 3.Nh4! Kd5! 4.Nf8! Ke5! 5.Kc6! Ke4! 6.Kc5! Ke3! 7.Kc4! Kf4 8.Kd4 Kg5 9.Nfg6!! Kg4 10.Ke4 Kg5! 11.Ke5! Kg4! 12.Kf6! Kg3! 13.Kf5 Kf2! 14.Kf4! Ke2! 15.Ke4! Kd2! 16.Kd4! Ke2 17.Ne7! Kd2! 18.Nf3+! Ke2! 19.Ke4! Kf2! 20.Nf5! Ke2! 21.N5h4 Kf2! 22.Nd4! Kg3! 23.Ndf5+! Kg4! 24.Nf3! h4! 25.Ne3+!! Kg3! 26.Nf1+! Kf2! 27.N3h2 Ke2! 28.Kd4! Kd1! 29.Kc3! Ke2! 30.Kc2! Ke1! 31.Kd3! Kd1! 32.Nd2 Ke1 33.Ne4! Kd1! 34.Nf2+! Ke1 35.Ke3! h3 36.Nfg4! Kd1 37.Kd3! Kc1! 38.Kc3! Kd1 39.Ne3+! Kc1! 40.Kc4! Kb2! 41.Kb4! Ka1! 42.Nc4 Ka2! 43.Kc3! Kb1! 44.Kd2! Ka1! 45.Kc1! Ka2 46.Kc2!! Ka1 47.Kb3! Kb1 48.Nd2+! Kc1! 49.Kc3! Kd1 50.Nb3! Ke1! 51.Kd4! Ke2! 52.Ke4! Ke1! 53.Ke3! Kd1 54.Kd3! Ke1 55.Nd4 Kd1! 56.Ne2! Ke1 57.Nc3! Kf2 58.Kd2! Kg2! 59.Ke2 Kg3! 60.Ke3!! Kh4! 61.Kf4!! Kh5 62.Kf5!! Kh6! 63.Kf6! Kh7 64.Nd5 Kg8! 65.Ke7! Kh7! 66.Kf7!! Kh6! 67.Kf6!! Kh7 68.Ne3 Kh6! 69.Neg4+! Kh7! 70.Kf7! Kh8 71.Ne3 Kh7 72.Nf5! Kh8 73.Kg6! Kg8 74.Ng7! Kf8! 75.Kf6!! Kg8 76.Ne6! Kh7! 77.Kg5! Kg8! 78.Kg6!! Kh8 79.Kf7! Kh7 80.Ng4! h2 81.Ng5+ Kh8 82.Ne5!! h1=Q 83.Ng6#!! ; 
3K4/2p5/4Nk2/1N6/8/8/8/8 w - - ce +M42 ; pv 1.Nc5 {EGTB} 1...Ke5! 2.Nc3! Kf5 3.N3a4 Kf6 4.Nb2! Ke5! 5.Ke7! Kd5 6.Nbd3! Kc4! 7.Ke6 Kd4! 8.Kf6! Kd5 9.Kf5! Kd4! 10.Kf4! Kd5 11.Ke3! Kc4! 12.Ke4! Kc3! 13.Nc1! Kc4 14.N1b3!! Kc3! 15.Kd5! Kb2! 16.Kd4 Kc2! 17.Kc4! Kd1! 18.Kd3! Ke1! 19.Ke3! Kf1 20.Nd4! Ke1! 21.Nc2+! Kd1! 22.Kd3! c6! 23.Ne3+ Ke1! 24.Ne4! c5 25.Nc4! Kd1! 26.Nf2+! Ke1! 27.Ke3! Kf1 28.Ne4! Ke1! 29.Nc3! Kf1 30.Kf4! Kf2 31.Kg4! Kf1! 32.Kg3! Ke1! 33.Kf3! Kf1 34.Na4 Ke1! 35.Nab2! Kf1 36.Nd3! Kg1 37.Ne3! c4 38.Nf4! c3 39.Kg3! c2 40.Nh3+ Kh1 41.Ng4! c1=Q 42.Ngf2#!! ; 
3K4/1k2p3/8/N6N/8/8/8/8 b - - ce -M54 ; pv 1...Kb6 {EGTB} 2.Nc4+! Kc5! 3.Nd2! Kd4! 4.Ng3! Kd3 5.Nge4 Kd4! 6.Kd7 Ke5! 7.Nc5 e6! 8.Nce4 Kd5! 9.Nf6+! Ke5 10.Nde4! Kf5 11.Kd6 Kf4! 12.Kc5! Kf5 13.Kc4 Ke5 14.Kd3! Kf4! 15.Nd7! Kf5! 16.Ke3! e5! 17.Ndf6 Ke6 18.Nh5 Ke7 19.Nhg3 Ke6! 20.Kd3 Kd5! 21.Nf5 Ke6! 22.Ne3! Kd7! 23.Kc4! Kc6! 24.Nd5! Kd7! 25.Kc5 Ke6! 26.Ne3! Kd7! 27.Kb6! Kc8! 28.Kc6! Kd8! 29.Nd5 Kc8! 30.Nc7 Kd8! 31.Kd6! Kc8 32.Ne6! Kb7! 33.Kc5! Ka6! 34.Nd8! Ka5! 35.Nf7 Ka4! 36.Nh6 Ka3! 37.Kc4! Ka4! 38.Nf5 Ka5! 39.Kc5! Ka6 40.Ned6! e4 41.Ne3!! Ka5! 42.Nb7+! Ka4! 43.Kc4! Ka3 44.Nc5! Ka2 45.Kb4! Kb2 46.Ne6 Kb1 47.Nf4 Kc1! 48.Kc3! Kb1 49.Ne2! Ka2! 50.Nc4! e3 51.Kc2! Ka1 52.Kb3! Kb1 53.Na3+! Ka1 54.Nc3 e2 55.Nc2#!! ; 
3K4/k2p4/8/N7/1N6/8/8/8 b - - ce -M51 ; pv 1...Kb6 {EGTB} 2.Nb3!! Kb5! 3.Nc2! Kc4! 4.Ncd4! Kd5! 5.Kc7! d6 6.Kb6! Ke4 7.Kc6 Ke3! 8.Kd5! Kd3! 9.Na1! Ke3 10.Kc4! Kd2! 11.Nab3+! Ke3! 12.Nc2+ Ke4 13.Kc3! d5 14.Ncd4! Kf4 15.Kd3! Kg5 16.Nd2 Kh5 17.N2f3 Kh6 18.Ne5 Kh7 19.Ke3! Kg7! 20.Kf3 Kg8 21.Kf4 Kf8! 22.Kf5 Ke7! 23.Kg6! Kd6! 24.Nd3! Ke7! 25.Kg7! Ke8 26.Kf6! Kd7! 27.Kf7! Kd6! 28.Ke8! Kc7 29.Ke7! Kc8! 30.Nc5! Kc7! 31.Ke6! Kc8! 32.Kf6 Kd8 33.Kf7! Kc8! 34.Ke8! Kc7! 35.Ke7! Kc8! 36.Nce6! Kb7! 37.Kd6! Kb6! 38.Nc5 Ka5! 39.Nd3! Kb6! 40.Nc1 Kb7 41.Kd7! Kb8 42.Ncb3 Kb7! 43.Kd8! Kb6! 44.Kc8! Ka7! 45.Kc7! Ka6! 46.Kc6! Ka7 47.Nc5! Kb8! 48.Kd7! Ka8 49.Nc6 d4 50.Kc7 d3 51.Na4 d2 52.Nb6#! ; 
3K4/4p3/4N3/8/8/8/8/4N2k w - - ce +M31 ; pv 1.Kd7 {EGTB} 1...Kg1! 2.Nd3! Kf1! 3.Ne5 Kg1 4.Kc6! Kf2! 5.Kc5! Ke3! 6.Kd5! Ke2 7.Kd4! Kd2! 8.Nf3+! Ke2! 9.Ke4! Kf2! 10.Ne5! Ke2! 11.Nc4! Kf2 12.Kd3! Ke1! 13.Ke3! Kf1! 14.Kd2! Kf2! 15.Ne5! Kf1! 16.Ng4 Kg2! 17.Ke2! Kg3! 18.Ne5! Kg2! 19.Nf4+ Kg3! 20.Nfg6! Kg2! 21.Ke1! e6! 22.Ke2! Kg3! 23.Kf1! Kh2! 24.Kf2! Kh3! 25.Kf3! Kh2 26.Nf4! Kg1! 27.Ke2! Kh1 28.Kf2! Kh2 29.Ng4+ Kh1 30.Nh5 e5 31.Ng3#! ;
Taking ideas is not a vice, it is a virtue. We have another word for this. It is called learning.
But sharing ideas is an even greater virtue. We have another word for this. It is called teaching.
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