MESON Chess Problem Database
Problem Display
PID: 93366 (1B2B1K1/rp5p/5p1P/3p4/3pkNQ1/8/1p6/7b w - - 0 1)
Gafarov, Marsil
Kopnin, Aleksey Grigorevich
Shakhmaty v SSSR, 1963
#2
6 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Ke3
- 2.Qe2#
- 1...Bf3
- 2.Qe6#
- 1...d3
- 2.Sg2#
- 1...f5
- 2.Qe2#
- 1...Ke3
- Tries
- 1.Bh5?
- threat
- 2.Qe6#
- 1...Ke3
- 2.Qe2#
- 1...d3
- 2.Sg2#
- 1...f5
- 2.Qe2#
- 1...Ra6!
- threat
- 1.Bg6+?
- 1...Ke3
- 2.Qe2#
- 1...f5
- 2.Qe2#
- 1...hxg6!
- 1...Ke3
- 1.Bd7?
- threat
- 2.Qe2#
- 1...Ke3
- 2.Qe2#
- 1...d3
- 2.Sg2#
- 1...Bf3
- 2.Qe6#
- 1...Ra3!
- threat
- 1.Qg2+?
- 1...Ke3
- 2.Qe2#
- 1...Kf5
- 2.Bd7#
- 1...Bxg2!
- 1...Ke3
- 1.Bh5?
- Keys
- 1.Bb5!
- threat
- 2.Sg2#
- 1...Ke3
- 2.Qe2#
- 1...Bg2
- 2.Sxg2#
- 1...Bf3
- 2.Qe6#
- 1...f5
- 2.Qe2#
- threat
- 1.Bb5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- K(d);P-FLIGHT::QAR1(B)
- B(a);SBLOCK::QAR2(B)
- P(c);SBLOCK::QAR(B)+S(A)
- P(f);SBLOCK::QAR2(B)
- Tries
- Try
- B(E);
- Threat
- QAR2(B)
- Vars
- K(d);P-FLIGHT::QAR1(B)
- P(c);SBLOCK::QAR(B)+S(A)
- P(f);SBLOCK::QAR2(B)
- Refutation
- R(g);
- Try
- B(E);CHECK
- Vars
- K(d);P-FLIGHT::QAR1(B)
- P(f);P_SPINP(f)::QAR2(B)
- Refutation
- P(i);XB(E)
- Try
- B(E);
- Threat
- QAR2(B)
- Vars
- K(d);P-FLIGHT::QAR1(B)
- P(c);SBLOCK::QAR(B)+S(A)
- B(a);SBLOCK::QAR2(B)
- Refutation
- R(g);
- Try
- Q(B);CHECK
- Vars
- K(d);P-FLIGHT::QAR1(B)
- K(d);S_FLIGHT::B(E)
- Refutation
- B(a);XQ(B)
- Try
- Actual
- B(E);
- Threat
- QAR(B)+S(A)
- Vars
- K(d);P-FLIGHT::QAR1(B)
- B(a);::QAR(B)+S(A),XB(a)
- B(a);SBLOCK::QAR2(B)
- P(f);SBLOCK::QAR2(B)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).