another interesting position: evade the right way

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jdart
Posts: 4367
Joined: Fri Mar 10, 2006 5:23 am
Location: http://www.arasanchess.org

another interesting position: evade the right way

Post by jdart »

from an online game:

[d]4k3/p7/4b3/7Q/1P1P1p2/2P1q3/PK1R1p2/8 b - - 0 80

Bf7 wins, other moves only draw. Stockfish is fast on this. Other engines I have tried either don't select Bf7 or don't see it wins, at least with moderate depths.
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Dann Corbit
Posts: 12542
Joined: Wed Mar 08, 2006 8:57 pm
Location: Redmond, WA USA

Re: another interesting position: evade the right way

Post by Dann Corbit »

Hey, 13 chessmen. I don't suppose it is a mate in 13?
:D
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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Dann Corbit
Posts: 12542
Joined: Wed Mar 08, 2006 8:57 pm
Location: Redmond, WA USA

Re: another interesting position: evade the right way

Post by Dann Corbit »

Code: Select all

Analysis of I:\13dart-m.epd   
3/16/2021 10:13:01 PM Level: 5555 Seconds
Analyzing engine: SugaR.AI.ICCF.1.50.avx2

 1 Bf7; ce 32000;       
    Searching move: Be6-f7
    Best move (SugaR.AI.ICCF.1.50.avx2): Be6-f7
    Identical moves! Found in: 00:00
   Found 746 tablebases
   NNUE evaluation using C:\Users\dannc\chess\sugar\nn-62ef826d1a6d.nnue enabled
     2/3	00:00	         18k	5,858k	-0.50	Kd7  Qb5+  Kd8
     3/5	00:00	         38k	12,571k	-0.31	Kd7  Qb5+  Kd8  Qg5+  Kd7
     4/10	00:00	         86k	21,500k	+0.24	Bf7  Qb5+  Kf8  Rd1  Kg7  Qe5+  Qxe5
     5/8	00:00	        150k	37,523k	+1.75	Bf7  Qb5+  Kf8  Qc5+  Kg7  Qg5+  Bg6  Rd1  Qe2+  Ka3  f1Q
     6/13	00:00	        207k	41,498k	+0.07	Bf7  Qb5+  Kf8  Re2  f1Q  Qc5+  Ke8  Rxe3+  fxe3  Qe5+  Kd8
     7/13	00:00	        247k	49,389k	+1.75	Bf7  Qb5+  Kf8  Qc5+  Kg7  Qg5+  Bg6  Rd1  Qe2+  Ka3  f1Q
     8/17	00:00	        494k	61,754k	 0.00	Bf7  Qb5+  Kd8  Rc2  Bg6  Qg5+  Kd7  Qb5+
     9/36	00:00	      1,236k	68,670k	 0.00	Bf7  Qb5+  Kf8  Rc2  Bg6  Qb8+  Be8  Qd6+  Kg7  Qa6  Bg6  Qb7+  Kh8  Qh1+  Kg7
    10/18	00:00	      1,263k	70,147k	 0.00	Bf7  Qb5+  Kf8  Rc2  Bg6  Qb8+  Be8  Qd6+  Kg7  Qa6  Bg6  Qb7+  Kf6  Qc6+  Kf7  Qb7+
    11/18	00:00	      1,305k	68,691k	 0.00	Bf7  Qb5+  Kf8  Rc2  Bg6  Qb8+  Be8  Qd6+  Kg7  Qa6  Bg6  Qb7+  Kf6  Qc6+  Ke7  Qb7+
    12/32	00:00	      2,312k	70,054k	+1.03	Bf7  Qb5+  Kf8  Rd1  f3  Qb8+  Be8  Qd6+  Kf7  Qc7+  Kf6  Ka3  Bb5  Rh1  f1Q  Qd8+  Kg7  Qh8+  Kf7  Qh7+  Kf6
    13/34	00:00	      4,751k	65,080k	+0.97	Bf7  Qb5+  Kf8  Rd1  Kg7  Qg5+  Bg6  Qg4  f3  Qd7+  Kh6  Rh1+  Kg5  Kb3  Qe2  Qd8+  Kf5  Qd7+  Kf6  Qd8+  Kg7  Qc7+  Bf7+  d5  f1Q  Rh7+  Kxh7  Qxf7+  Kh6
    14/44	00:00	     14,724k	59,613k	+1.15	Bf7  Qb5+  Kf8  Rd1  Kg7  Qg5+  Bg6  Qb5  Qe4  Ka3  Kh6  Qf1  Qe3  Kb3  Be4  Qb5  Qf3  Qf1  Qg2  Kb2  Kg5  c4  f3  Kc3  Kg4
    15/53	00:00	     22,541k	58,246k	+1.27	Bf7  Qb5+  Kf8  Rd1  Kg7  Qg5+  Bg6  d5  Qe2+  Ka3  f1Q  Rxf1  Qxf1  Qe5+  Kg8  d6  Qc1+  Ka4  Qc2+  Ka3  Bf5  d7  Bxd7  Qd5+  Kg7  Qxd7+  Kf6  Qd4+  Kf5  Qh8  Qc1+  Ka4
    16/57	00:00	     28,176k	57,621k	+1.27	Bf7  Qb5+  Kf8  Rd1  Kg7  Qg5+  Bg6  d5  Qe2+  Ka3  f1R  Rxf1  Qa6+  Kb3  Qxf1  Qe5+  Kg8  Qb8+  Kh7  Qxa7+  Kh6  Qd4  Qb1+  Ka3  Kg5  d6  Bf5  d7  Qc1+  Ka4  Bxd7+  Qxd7
    17/56	00:00	     39,168k	57,180k	+1.37	Bf7  Qb5+  Kf8  Rd1  Kg7  Qg5+  Bg6  Qb5  Qe4  Rc1  Kh6  d5  Qe1  Qf1  Qd2+  Kb3  Qxd5+  c4  Qd3+  Ka4  Qe3  c5  Qd2  Qh3+  Kg5  Qg2+  Kf6  Rh1  Qxa2+  Kb5  Bd3+  Kc6  Bf5  Rf1  Qe6+  Kc7
    18/60	00:01	     59,210k	56,769k	+1.47	Bf7  Qb5+  Kf8  Rd1  Kg7  Qg5+  Bg6  Qb5  Qe4  Ka3  Kh6  Qf1  Qe3  Kb3  Be4  d5  Bf3  Rd4  Qe1  Qh3+  Kg6  Qxf3  f1Q  Qg4+  Kh6  Qxf4+  Qxf4  Rxf4  Qb1+  Kc4  Qxa2+  Kc5  Qh2  Rf7  Qe2
    19/52	00:01	     87,805k	56,576k	+1.75	Bf7  Qb5+  Kf8  Rd1  Kg7  Qg5+  Bg6  Qb5  Qe4  Ka3  Kh6  Qf1  Qe3  Kb3  Be4  d5  Bf3  Rd4  Qe1  Qh3+  Kg6  Qxf3  f1Q  Qg4+  Kh6  Qxf4+  Qxf4  Rxf4  Qb1+  Kc4  Qxa2+  Kc5  Qd2  Rc4  Qd3
    20/62	00:02	    115,282k	56,180k	+1.60	Bf7  Qb5+  Kf8  Rd1  Kg7  Qg5+  Bg6  d5  Qe2+  Ka3  f1R  Rxf1  Qa6+  Kb3  Qxf1  Qe5+  Kg8  Qb8+  Kf7  Qxa7+  Kf6  Qd4+  Kg5  d6  Qb1+  Ka3  Bf5  Qd5  Qc1+  Ka4  Qe3  c4  Kf6  c5  f3  d7  Bxd7+  Qxd7  f2  Qd8+  Kf7  Qd5+  Qe6  Qd3
    21/52	00:02	    132,411k	56,130k	+1.58	Bf7  Qb5+  Kf8  Rd1  Kg7  Qg5+  Bg6  d5  Qe2+  Ka3  f1R  Rxf1  Qa6+  Kb3  Qxf1  Qe5+  Kg8  Qb8+  Kh7  Qxa7+  Kh6  Qd4  Qb1+  Ka3  Qc1+  Kb3  Qe3  d6  Qxd4  cxd4  Be8  Kc3  Kg6  Kc4  Kg5  b5  f3  Kd3  Bxb5+  Ke3  Kg4  Kf2  Ba4  Ke1  Kg3
    22/56+	00:04	    236,496k	56,255k	+2.22	Bf7
    22/56	00:04	    255,191k	56,421k	+2.25	Bf7  Qb5+  Kf8  Rd1  Kg7  Qg5+  Bg6  Qb5  Qe4  Ka3  Kh6  Qf1  Qe3  Kb3  Be4  d5  Bf3  Rd4  Qe1  Qh3+  Kg6  Qxf3  f1Q  Qg4+  Kh6  Qxf4+  Qxf4  Rxf4  Qb1+  Kc4  Qxa2+  Kc5  Qd2  Rf3  Kg5  c4  Qe2  Rc3  Qf2+  Kb5  Qb6+  Ka4  Qd4  Kb3  Qd1+  Kb2  Kf5  d6  Qd2+  Kb3  Qxd6  c5  Qd5+  Kb2
    23/50-	00:04	    262,390k	56,452k	+2.48	Bf7  Qb5+
    23/52-	00:04	    262,460k	56,443k	+2.44	Bf7  Qb5+
    23/54-	00:04	    267,169k	56,436k	+2.14	Bf7  Qb5+
    23/56	00:04	    274,004k	56,461k	+1.58	Bf7  Qb5+  Kf8  Rd1  Kg7  Qg5+  Bg6  d5  Qe2+  Ka3  Qa6+  Kb3  f1Q  Rxf1  Qxf1  Qe5+  Kg8  Qb8+  Kh7  Qxa7+  Kh6  Qd4  Qb1+  Ka3  Qc1+  Kb3  Qe3  Qf6  Kh5  d6  Be8  Qf5+  Kh4  d7  Bxd7  Qxd7  f3  Qh7+  Kg4  Qg6+  Qg5  Qb6  Kh3  b5  Qf5  Qh6+  Kg2  Qg7+  Kf1  c4  Qd3+  Ka4  Qxc4+  Ka5  f2
    24/52+	00:04	    274,915k	56,462k	+1.62	Bf7
    24/80+	00:05	    283,030k	56,459k	+1.66	Bf7
    24/80+	00:05	    315,712k	56,458k	+1.81	Bf7
    24/80	00:05	    325,883k	56,440k	+1.90	Bf7  Qb5+  Kf8  Rd1  Kg7  Qg5+  Bg6  Qb5  Qe4  Ka3  Kh6  Qf1  Qe3  Kb3  Be4  b5  Bd5+  Kb4  Kg5  a4  f3  Ra1  Kg4  c4  Be4  Qc1  Qe2  d5  Bd3  Qc3  f1Q  Rxf1  Qxf1  d6  Qb1+  Ka5  Bf5  Qd4+  Kg3  d7  Bxd7  Qd6+  Kg2  Qxd7  f2  Qg4+  Kf1  Qf3
    25/58+	00:06	    380,181k	56,499k	+2.27	Bf7
    25/58-	00:06	    385,131k	56,512k	+2.19	Bf7  Qb5+
    25/58-	00:07	    403,532k	56,517k	+1.91	Bf7  Qb5+
    25/64+	00:07	    408,924k	56,512k	+2.01	Bf7
    25/64+	00:07	    430,253k	56,508k	+2.23	Bf7
    25/81	00:10	    561,915k	55,619k	+2.36	Bf7  Qb5+  Kf8  Rd1  Kg7  Qg5+  Bg6  d5  Qe2+  Ka3  f1Q  Rxf1  Qa6+  Kb3  Qxf1  Qe5+  Kg8  Qb8+  Kh7  Qxa7+  Kh6  Qd4  Qb1+  Ka3  Qc1+  Kb3  Qe3  Qf6  Kh5  d6  Be8  Qf5+  Kh4  d7  Bxd7  Qxd7  f3  Qh7+  Kg4  Qg6+  Qg5  Qb6  Qd5+  Ka3  Qd3  Qg1+  Kf4  Qe1  Kf5  Kb3  Qe2  Qh4  f2  Qh3+  Qg4  Qf1  Qf4  b5
    26/62+	00:10	    566,698k	55,646k	+2.52	Bf7
    26/62+	00:10	    572,117k	55,680k	+2.57	Bf7
    26/63+	00:13	    767,414k	56,065k	+2.72	Bf7
    26/70-	00:13	    769,563k	56,066k	+2.44	Bf7  Qb5+
    26/70-	00:14	    812,451k	56,074k	+1.08	Bf7  Qb5+
    26/70+	00:15	    859,164k	56,103k	+2.02	Bf7
    26/72+	00:17	    990,520k	56,114k	+2.49	Bf7
    26/97	00:17	  1,000,246k	56,121k	+2.38	Bf7  Qb5+  Kf8  Rd1  Kg7  a4  Kf6  a5  Kg6  Qf1  f3  c4  Qe2+  Kc3  Bxc4  Qh3  f1Q  Qg4+  Kf6  Qf4+  Ke7  Qc7+  Ke6  d5+  Kf5  Qh7+  Kg5  Qg7+  Kf4  Qc7+  Qe5+  Rd4+  Kf5  Qf7+  Kg5  Qg8+  Kh6  Qf8+  Kg6  Qg8+  Qg7  Qe8+  Qf7  Rg4+  Kh5  Qxf7+  Kxg4  Qe6+  Kg3  Qe5+  Kf2  Qd4+  Kg2  Qg7+  Kh2  Qe5+  Kg1  Qg7+  Qg2  Qd4+  f2  Kxc4  Qf3  Kc5  Kg2  Qd2  Qf5  Kc6  Kh1  Qh6+  Kg1  Qg7+  Kh2  Qh6+  Qh3  Qf4+  Qg3  Qf5  a6  Qh5+  Kg1
    27/89+	00:21	  1,199,582k	56,292k	+2.31	Bf7
    27/89-	00:21	  1,201,798k	56,296k	+2.19	Bf7  Qb5+
    27/89-	00:21	  1,204,200k	56,297k	+1.98	Bf7  Qb5+
    27/89+	00:21	  1,205,165k	56,298k	+2.09	Bf7
    27/89-	00:21	  1,226,435k	56,328k	+1.86	Bf7  Qb5+
    27/89	00:22	  1,255,984k	56,368k	+1.78	Bf7  Qb5+  Kf8  Rd1  Kg7  a4  Kf6  Kc2  Bg6+  Kb3  Be4  Qe5+  Kg6  b5  Bg2  Qd6+  Kh5  Qc5+  Kg4  Qxa7  Kf3  b6  Ke2  Ra1  f1Q  Qa6+  Kf2  Rxf1+  Bxf1  Qa7  Bg2  Kb4  Ke1  Qc7  Be4  a5  f3  a6  f2  b7  f1Q  b8Q  Qff2  Ka5  Bd3  Qb3  Qf6  a7  Qa6+  Kb4
    28/56-	00:23	  1,300,615k	56,394k	+1.25	Bf7  Qb5+
    28/56-	00:23	  1,304,237k	56,397k	+1.21	Bf7  Qb5+
    28/56-	00:24	  1,381,795k	56,418k	+1.05	Bf7  Qb5+
    28/59	00:25	  1,433,938k	56,452k	+1.00	Bf7  Qb5+  Kf8  Rd1  Kg7  a4  Kf6  Kc2  Bg6+  Kb3  Be4  Qe5+  Kg6  b5  Bf3  Rf1  Be2  Qd6+  Kg5  Qd5+  Kh4  Rh1+  Kg3  Qg5+  Bg4  a5  Qe2  Kb4  f1Q  Qh4+  Kf3  Rxf1+  Qxf1  d5  Bd7  Qh5+  Ke4  Qh7+  Bf5  Qe7+  Kd3  Qf6  Bc8  b6  axb6  axb6  f3  d6  Bd7  Qd4+  Kc2  Qe4+  Kd2
    29/76-	00:28	  1,606,217k	56,471k	+0.66	Bf7  Qb5+
    29/76+	00:29	  1,639,668k	56,495k	+0.70	Bf7
    29/76+	00:30	  1,714,170k	56,566k	+0.98	Bf7
    29/86	00:31	  1,755,076k	56,612k	+1.01	Bf7  Qb5+  Kf8  Rd1  Kg7  a4  Kf6  Kc2  Bg6+  Kb3  Be4  Qe5+  Kg6  b5  Bf3  Rf1  Bg2  Rxf2  Qxf2  a5  Qd2  b6  a6  Qe8+  Kg5  Qd7  Kh4  b7  Qd1+  Kc4  Qe2+  Kc5  Bxb7  Qxb7  f3  Qh7+  Kg5  Qg8+  Kf4  Qf7+  Ke3  Qe6+  Kd2  Qa2+  Kxc3  Qa3+  Kd2  Qa2+  Ke3  Qe6+  Kf4  Qf6+  Kg4  Qg7+  Kh3  Qh6+  Kg2  Qg6+  Kf1  Qb1+  Qe1  Qd3+  Kg2  Qc2+  f2  Qg6+  Kf1  Qxa6+  Qe2  Qg6  Qe7+  Kc4  Qc7+  Kb5  Qf4  Kc5
    30/44+	00:31	  1,764,077k	56,626k	+1.37	Bf7
    30/84-	00:32	  1,825,628k	56,681k	+1.29	Bf7  Qb5+
    30/84-	00:32	  1,831,331k	56,687k	+1.14	Bf7  Qb5+
    30/84+	00:32	  1,836,235k	56,691k	+1.21	Bf7
    30/84-	00:32	  1,852,204k	56,700k	+1.01	Bf7  Qb5+
    30/84+	00:32	  1,856,723k	56,704k	+1.20	Bf7
    30/92+	00:34	  1,960,825k	56,837k	+1.48	Bf7
    30/92	00:40	  2,298,028k	56,990k	+1.72	Bf7  Qb5+  Kf8  Rd1  Kg7  a4  Kf6  Kc2  Bg6+  Kb3  Be4  Qe5+  Kg6  b5  Bf3  Rf1  Bg2  Rxf2  Qxf2  a5  Qd2  b6  a6  Qe6+  Kg5  Qd7  Kh4  b7  Qd1+  Kc4  Qe2+  Kc5  Bxb7  Qxb7  f3  Qh7+  Kg4  Qg7+  Kf5  Qh7+  Kf4  Qh6+  Ke4  Qg6+  Ke3  Qe6+  Kd2  Qa2+  Kxc3  Qa3+  Kd2  Qa2+  Ke1  Qa1+  Kf2  d5  Qb5+  Kd6  Qc4  Qe5  Kg2  Qg5+  Kh3  Qe3  Kg3  Qg1+  Kf4  Qf2  Kg4  Qg1+  Kf5  Qh1  Qf4+  Kc6  f2  Qh3+  Ke5  Qh5+  Ke4  Qh7+  Kd4  Qa7+  Ke5  Qxf2  Qxf2
    31/70-	00:40	  2,320,912k	56,995k	+2.06	Bf7  Qb5+
    31/74-	00:40	  2,329,019k	56,996k	+2.02	Bf7  Qb5+
    31/74-	00:41	  2,361,450k	57,004k	+0.62	Bf7  Qb5+
    31/74+	00:45	  2,598,493k	57,002k	+0.96	Bf7
    31/111	00:47	  2,735,492k	57,038k	+0.84	Bf7  Qb5+  Kf8  Rd1  Kg7  a4  Kf6  Kc2  Bg6+  Kb3  Be4  Qe5+  Kg6  b5  Bf3  Rf1  Bg2  Rxf2  Qxf2  a5  Qf3  b6  axb6  axb6  Qe4  Qd6+  Kf5  c4  Qd3+  Kb4  Qd2+  Kb3  Bf3  Ka4  Ba8  Qd7+  Kg5  Qg7+  Kh5  Qh7+  Kg4  Qg6+  Kh3  Qh6+  Kg3  d5  Qa2+  Kb5  Qb2+  Kc5  f3  Qd6+  Kg2  Qg6+  Kf2  Qd3  Qa1  Kb4  Qe1+  Kb3  Kg2  Qg6+  Kf1  Qd3+  Qe2  Qd4  f2
    32/82-	00:48	  2,765,937k	57,041k	+0.80	Bf7  Qb5+
    32/83+	00:49	  2,794,698k	57,022k	+0.84	Bf7
    32/83+	00:55	  3,183,012k	57,077k	+1.28	Bf7
    32/83-	00:57	  3,269,787k	57,047k	+0.76	Bf7  Qb5+
    32/83+	00:57	  3,298,132k	57,047k	+1.12	Bf7
    32/83+	01:02	  3,563,735k	57,187k	+2.14	Bf7
    32/88	01:07	  3,847,507k	57,259k	+0.54	Bf7  Qb5+  Kf8  Rd1  Kg7  a4  Kf6  Kc2  Bg6+  Kb3  Be4  Qe5+  Kg6  b5  Bf3  Rf1  Bg2  Rxf2  Qxf2  a5  Qf3  b6  Qe4  Qd6+  Kf5  Qf8+  Kg4  Qg7+  Kh3  Qxa7  Qb1+  Ka3  Be4  a6  f3  Qd7+  Kg2  b7  f2  Qg4+  Kf1  Qc8  Qc1+  Ka4  Qc2+  Ka5  Ke1  b8Q  Qa2+  Kb6  f1Q  Qg3+  Kd2  Qh2+  Bg2  Qe5  Qa4  Ka7  Bc6  Qg5+  Kd1  Qcg4+  Bf3  Qe6  Qfc4  Qxc4  Qxc4
    33/103+	01:07	  3,864,239k	57,263k	+0.31	Bf7
    33/106+	01:10	  4,036,360k	57,281k	+0.35	Bf7
    33/106	01:13	  4,202,045k	57,304k	+0.26	Bf7  Qb5+  Kf8  Rd1  Kg7  a4  Kf6  Kc2  Bg6+  Kb3  Be4  Qe5+  Kg6  b5  Bg2  Qd6+  Kg5  Qc5+  Kg4  Qxa7  Qe2  Qd7+  Kg3  Rc1  f1R  Rxf1  Qxf1  Kb4  Qc1  Qc7  Ba8  c4  Kf3  d5  Bxd5  b6  Be4  a5  Ke2  a6  Qb2+  Kc5  Qa3+  Kb5  Qb3+  Ka5  Qc3+  Ka4  f3  b7  f2  b8Q  f1Q  Qb4  Qd4
    34/61	01:21	  4,683,669k	57,325k	+0.27	Bf7  Qb5+  Kf8  Rd1  Kg7  a4  Kf6  Kc2  Bg6+  Kb3  Bf5  Qc6+  Kg5  Rh1  Bh3  Qd5+  Kf6  Qd8+  Kf7  Qc7+  Kg6  Qc4  Kf6  d5  Kg5  Qb5  a6  Qa5  f1Q  Rxf1  Bxf1  d6+  Kg6  Qd5  Bh3  d7  Bxd7  Qxd7  f3  Qg4+  Kf6  Qh4+  Qg5  Qe4  Qf5  Qd4+  Qe5  Qd2  Ke6  c4  Ke7  b5  axb5  axb5
    35/82-	01:22	  4,731,505k	57,353k	+0.24	Bf7  Qb5+
    35/82+	01:22	  4,750,318k	57,356k	+0.28	Bf7
    35/82+	01:23	  4,784,074k	57,357k	+0.34	Bf7
    35/82-	01:36	  5,534,861k	57,313k	+0.20	Bf7  Qb5+
    35/92+	01:37	  5,616,712k	57,320k	+0.31	Bf7
    35/92+	01:43	  5,949,057k	57,378k	+0.69	Bf7
    35/120	01:58	  6,809,718k	57,317k	+0.23	Bf7  Qb5+  Kf8  Rd1  Kg7  a4  Kf6  Kc2  Bg6+  Kb3  Be4  Qe5+  Kg6  b5  Bf3  Rf1  Bg2  Rxf2  Qxf2  a5  Qf3  b6  Qe4  Qd6+  Kh5  Kb4  Qb1+  Kc5  Qa2  Qxf4  Qxa5+  Kc4  Bd5+  Kd3  Qb5+  Ke3  axb6  Qf5+  Kh6  Qf6+  Kh7  Kf4  Kg8  Qd8+  Kg7  Ke5  Bf7+  d5  Qe2+  Kd6  b5  Kc7  Qe3  Kc6  Kg6  Kxb5  Qxc3  Qd6+  Kh5
    36/12-	02:25	  8,320,182k	57,330k	+0.13	Bf7  Qb5+
    36/41+	02:25	  8,326,845k	57,329k	+0.18	Bf7
    36/65+	02:27	  8,436,905k	57,326k	+0.33	Bf7
    36/70-	02:28	  8,539,236k	57,344k	+0.10	Bf7  Qb5+
    36/70	02:29	  8,544,548k	57,345k	+0.09	Bf7  Qb5+  Kf8  Rd1  Kg7  a4  Kf6  Kc2  Bg6+  Kb3  Bf5  Qc6+  Kg5  Rh1  Bh3  Qd5+  Kf6  Qd8+  Kf7  Qc7+  Kg6  Qc4  f1Q  Rxf1  Bxf1  Qxf1  f3  Kc2  Kf6  d5  f2  Qa6+  Kf7  Qc4  Ke7  a5  a6  Qh4+  Ke8  Qc4
    37/44	02:29	  8,554,158k	57,349k	 0.00	Bf7  Qb5+  Kf8  Rd1  Kg7  a4  Kf6  Kc2  Bg6+  Kb3  Bf5  Qc6+  Kg5  Rh1  Bh3  Qd5+  Kf6  Qd8+  Kf7  Qc7+  Kg6  Qc4  f1Q  Rxf1  Bxf1  Qxf1  f3  Kc2  Kf6  d5  f2  Qa6+  Kf7  Qc4  Ke7  a5  a6  Qh4+  Ke8  Qc4
    38/44	02:30	  8,640,346k	57,374k	 0.00	Bf7  Qb5+  Kf8  Rd1  Kg7  a4  Kf6  Kc2  Bg6+  Kb3  Bf5  Qc6+  Kg5  Rh1  Bh3  Qd5+  Kf6  Qd8+  Kf7  Qc7+  Kg6  Qc4  f1Q  Rxf1  Bxf1  Qxf1  f3  Kc2  Kf6  d5  f2  Qa6+  Kf7  Qc4  Ke7  a5  a6  Qh4+  Ke8  Qc4
    39/44	02:37	  9,020,788k	57,400k	 0.00	Bf7  Qb5+  Kf8  Rd1  Kg7  a4  Kf6  Kc2  Bg6+  Kb3  Bf5  Qc6+  Kg5  Rh1  Bh3  Qd5+  Kf6  Qd8+  Kf7  Qc7+  Kg6  Qc4  f1Q  Rxf1  Bxf1  Qxf1  f3  Kc2  Kf6  d5  f2  Qa6+  Kf7  Qc4  Ke7  a5  a6  Qh4+  Ke8  Qc4
    40/44	02:56	 10,130,969k	57,396k	 0.00	Bf7  Qb5+  Kf8  Rd1  Kg7  a4  Kf6  Kc2  Bg6+  Kb3  Bf5  Qc6+  Kg5  Rh1  Bh3  Qd5+  Kf6  Qd8+  Kf7  Qc7+  Kg6  Qc4  f1Q  Rxf1  Bxf1  Qxf1  f3  Kc2  Kf6  d5  f2  Qa6+  Kf7  Qc4  Ke7  a5  a6  Qh4+  Ke8  Qc4
    41/76+	02:59	 10,299,641k	57,409k	+0.03	Bf7
    41/85+	03:00	 10,358,392k	57,409k	+0.08	Bf7
    41/85	03:01	 10,403,607k	57,410k	 0.00	Bf7  Qb5+  Kf8  Rd1  Kg7  a4  Kf6  Kc2  Bg6+  Kb3  Be4  Qe5+  Kg6  b5  Bg2  Qd6+  Kh5  Qc5+  Kg6
    42/32	03:21	 11,521,471k	57,291k	 0.00	Bf7  Qb5+  Kf8  Rd1  Kg7  a4  Kf6  Kc2  Bg6+  Kb3  Be4  Qe5+  Kg6  b5  Bf3  Rf1  Bg2  Rxf2  Qxf2  a5  Qf3  b6  Qe4  Qd6+  Kf5  c4  Qb1+  Kc3  Qa1+  Kb3
    43/60	04:00	 13,742,530k	57,073k	 0.00	Bf7  Qb5+  Kf8  Rd1  Kg7  a4  Kf6  Kc2  Bg6+  Kb3  Be4  Qe5+  Kg6  b5  Bg2  Qd6+  Kh5  Qc5+  Kg4  Qxa7  Qe2  Qd7+  Kg3  Rc1  f1Q  Rxf1  Bxf1  b6  Qe4  Kb4  Ba6  Qg7+  Kf3  Qa7  Qd3  Qg7
    44/33	06:20	 21,648,095k	56,825k	 0.00	Bf7  Qb5+  Kf8  Rd1  Kg7  a4  Kf6  Kc2  Bg6+  Kb3  Be4  Qe5+  Kg6  b5  Bg2  Qd6+  Kh5  Qc5+  Kg4  Qxa7  Qe2  Qd7+  Kf3  Qc6+  Kg3  Qg6+  Kh2  Qh6+  Kg3
    45/55+	06:21	 21,663,869k	56,826k	+0.03	Bf7
    45/55+	06:21	 21,678,717k	56,828k	+0.08	Bf7
    45/183+	21:21	 74,095,934k	57,842k	+3.68	Bf7
    45/183	23:41	 82,454,739k	57,991k	+3.58	Bf7  Qb5+  Kf8  Rd1  Kg7  a4  Kf6  Kc2  Bg6+  Kb3  Be4  Qe5+  Kg6  b5  Bf3  Rf1  Be2  Qd6+  Kg5  Qd5+  Kh4  Rh1+  Kg3  Qg5+  Bg4  a5  Qe2  Qh4+  Kf3  c4  f1Q  Rxf1+  Qxf1  Kb4  Qc1  a6  Qb1+  Kc5  Qf5+  d5  Qf8+  Kc6  Qc8+  Kd6  Qd7+  Kc5  Kg2  b6  axb6+  Kxb6  Qd6+  Kb7  Be2  Qg5+  Kf1  Qf5  Qb4+  Kc8  Qc5+  Kd7  f3  Qh3+  Ke1  Qh1+  Kd2  Qh6+  Kd1  Qc6  Qa5  Qf6  Ke1  Qh6  Qa3  Qd6  Qa4+  Qc6  Qa1  Qc5  Qxa6  Qg1+  Kd2  Qd4+  Kc2  Qe4+  Kc3  Qe5+  Kb3  d6
    46/76+	25:22	 88,452,199k	58,094k	+3.62	Bf7
    46/87+	30:44	107,851,414k	58,458k	+3.66	Bf7
    46/87+	36:07	127,413,529k	58,783k	+4.62	Bf7
    46/87-	44:19	157,157,933k	59,089k	+3.54	Bf7  Qb5+
    46/92+	44:51	159,028,228k	59,084k	+3.93	Bf7
    46/92+	53:59	191,387,930k	59,084k	+5.00	Bf7
    46/104-	1:05:36	232,503,142k	59,058k	+3.26	Bf7  Qb5+
    46/111	1:05:54	233,535,449k	59,057k	+3.45	Bf7  Qb5+  Kf8  Rd1  Kg7  a4  Kf6  Kc2  Bg6+  Kb3  Be4  Qe5+  Kg6  b5  Bf3  Rf1  Be2  Qd6+  Kg5  Qd5+  Kh4  Rh1+  Kg3  Qg5+  Bg4  a5  Qe2  Kb4  f1Q  Qh4+  Kf3  Rxf1+  Qxf1  d5  Qb1+  Kc5  Qa1  Kd4  Qg1+  Kc4  Bc8  a6  Qe3  Kb3  Bd7  Qh5+  Ke4  Qh7+  Bf5  Qc7  Qd3  Kb4  Qb1+  Kc5  f3  Qg3  Qd3  Qe1+  Kf4  c4  Qc2  Qh4+  Bg4  b6  axb6+  Kxb6  Qb3+  Kc5  Qa3+  Kb5  Qb2+  Kc6  f2  Qh6+  Kg3  Qe3+  Kg2  a7  f1Q  Qe4+  Bf3
    47/86+	1:07:21	238,656,823k	59,053k	+3.36	Bf7
    47/86+	1:07:26	238,940,239k	59,053k	+3.40	Bf7
    47/96+	1:19:59	283,434,426k	59,061k	+6.08	Bf7
   3/16/2021 11:45:40 PM, Time for this analysis: 01:32:35, Rated time: 00:00

1 of 1 matching moves
3/16/2021 11:45:41 PM, Total time: 1:32:39 AM
Rated time: 00:00 = 0 Seconds
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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Dann Corbit
Posts: 12542
Joined: Wed Mar 08, 2006 8:57 pm
Location: Redmond, WA USA

Re: another interesting position: evade the right way

Post by Dann Corbit »

Up a queen, eventually:
[d]4k3/p7/4b3/7Q/1P1P1p2/2P1q3/PK1R1p2/8 b - - acd 49/176; acs 27403; acn 1595435530k; ce 1013; bm Bf7; pv Bf7 Qb5+ Kf8 Rd1 Kg7 a4 Kf6 Kc2 Bg6+ Kb3 Be4 Qe5+ Kg6 b5 Bf3 Rf1 Be2 Qd6+ Kg5 Qd5+ Kh4 Rh1+ Kg3 Qg5+ Bg4 a5 Qe2 Qh4+ Kf3 c4 f1Q Rxf1+ Qxf1 Kb4 Qe2 a6 Kg2 d5 Qb2+ Kc5 Qg7 b6 axb6+ Kb5 Qd7+ Kxb6 Qd6+ Kb7 Be2 Qg5+ Kf1 Qf5 Qb4+ Kc7 Qc5+ Kd7 f3 Qb1+ Kg2 Qg6+ Kf2 Qd6 Qa7+ Qc7 Qxa6 Qh2+ Ke1 Qg1+ Kd2 Qd4+ Kc2 Qe4+ Kb3 d6 Qxc4 Qb1+ Kc3 Qe1+ Kd3 Qg3 Kc2 Qf2 Kb3 Kd8 Qd5 Qb6+ Bb5 Ke7 Qf5 Qe3+ Kc4 Qc1+ Kb4 Qd2+ Kc5 Qf2+ Kc6 Qa7 Qe5+ Kf7 Bc4+ Kg6 Qxd6+ Kg5;
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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