MESON Chess Problem Database
Problem Display
PID: 110108 (1r4b1/4PP1p/3B1R2/1p1k4/1prN1R1p/1Kp3N1/4P2p/Q5b1 w - - 0 1)
Kopaev, Viacheslav Georgievich
Hlas l'udu, 1990
#2
10 + 11
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rb6
- 2.fxg8Q#
- 2.fxg8B#
- 1...Rb7
- 2.fxg8Q#
- 2.fxg8B#
- 1...Bf2
- 2.Qh1#
- 1...Be3
- 2.Qh1#
- 1...Bxd4
- 2.Qh1#
- 1...c2
- 2.R4f5#
- 2.e4#
- 1...Rb6
- Tries
- 1.Qd1?
- threat
- 2.R4f5#
- 2.e4#
- 1...Bxd4
- 2.Qh1#
- 1...hxg3
- 2.e4#
- 1...h1Q
- 2.R4f5#
- 1...h1B
- 2.R4f5#
- 1...Be3
- 2.R4f5#
- 2.Qh1#
- 1...Rxd4!
- threat
- 1.Qa7?
- threat
- 2.R4f5#
- 2.e4#
- 1...Rxd4
- 2.Qc5#
- 1...hxg3
- 2.e4#
- 1...h1Q
- 2.R4f5#
- 1...h1B
- 2.R4f5#
- 1...Rc5
- 2.Qxc5#
- 1...Rb6
- 2.fxg8Q#
- 2.fxg8B#
- 1...Be3
- 2.R4f5#
- 1...Bxd4!
- threat
- 1.Qa8+?
- 1...Rc6
- 2.Qxc6#
- 1...Rb7
- 2.fxg8Q#
- 2.fxg8B#
- 1...Rxa8!
- 1...Rc6
- 1.e8Q?
- threat
- 2.Qe4#
- 2.Qe5#
- 2.Qe6#
- 2.fxg8Q#
- 2.fxg8B#
- 1...Rxd4
- 2.R4f5#
- 2.fxg8Q#
- 2.fxg8B#
- 1...Bxf7
- 2.Qxf7#
- 2.Qe4#
- 2.Qe5#
- 1...hxg3
- 2.Qe4#
- 2.Qe5#
- 2.Qe6#
- 2.fxg8Q#
- 2.fxg8B#
- 1...h1Q
- 2.Qe5#
- 2.Qe6#
- 2.fxg8Q#
- 2.fxg8B#
- 1...h1S
- 2.Qe4#
- 2.Qe5#
- 2.Qe6#
- 2.fxg8Q#
- 2.fxg8B#
- 1...h1B
- 2.Qe5#
- 2.Qe6#
- 2.fxg8Q#
- 2.fxg8B#
- 1...h1R
- 2.Qe4#
- 2.Qe5#
- 2.Qe6#
- 2.fxg8Q#
- 2.fxg8B#
- 1...Rc5
- 2.Qe4#
- 2.Qe5#
- 2.Qe6#
- 2.fxg8Q#
- 2.fxg8B#
- 1...Rc6
- 2.Qxc6#
- 2.Qe4#
- 2.Qe5#
- 2.Qe6#
- 2.fxg8Q#
- 2.fxg8B#
- 1...Rc7
- 2.Qe4#
- 2.Qe5#
- 2.Qe6#
- 1...Rcc8
- 2.Qe4#
- 2.Qe5#
- 2.Qe6#
- 2.fxg8Q#
- 2.fxg8B#
- 1...Rb6
- 2.Qe4#
- 2.Qe5#
- 2.Qe6#
- 2.fxg8Q#
- 2.fxg8B#
- 1...Rb7
- 2.Qe4#
- 2.Qe5#
- 2.Qe6#
- 1...Ra8
- 2.Qe4#
- 2.Qe5#
- 2.Qe6#
- 2.fxg8Q#
- 2.fxg8B#
- 1...Rbc8
- 2.Qe4#
- 2.Qe5#
- 2.Qe6#
- 2.fxg8Q#
- 2.fxg8B#
- 1...Rd8
- 2.Qe4#
- 2.Qe5#
- 2.Qe6#
- 2.fxg8Q#
- 2.fxg8B#
- 1...Bf2
- 2.Qh1#
- 2.Qe4#
- 2.Qe5#
- 2.Qe6#
- 2.fxg8Q#
- 2.fxg8B#
- 1...Be3
- 2.Qh1#
- 2.Qe4#
- 2.Qe5#
- 2.Qe6#
- 2.fxg8Q#
- 2.fxg8B#
- 1...c2
- 2.R4f5#
- 2.Qe4#
- 2.Qe5#
- 2.Qe6#
- 2.e4#
- 2.fxg8Q#
- 2.fxg8B#
- 1...h3
- 2.Qe4#
- 2.Qe5#
- 2.Qe6#
- 2.fxg8Q#
- 2.fxg8B#
- 1...h5
- 2.Qe4#
- 2.Qe5#
- 2.Qe6#
- 2.fxg8Q#
- 2.fxg8B#
- 1...h6
- 2.Qe4#
- 2.Qe5#
- 2.Qe6#
- 2.fxg8Q#
- 2.fxg8B#
- 1...Rxe8!
- threat
- 1.Qd1?
- Keys
- 1.Qa6!
- threat
- 2.R6f5#
- 1...Rxd4
- 2.R4f5#
- 1...Bxd4
- 2.e4#
- 1...Rc6
- 2.Qxc6#
- 1...Rb6
- 2.fxg8Q#
- 2.fxg8B#
- threat
- 1.Qa6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- R(j);N_GUARD::PXB(k)=Q
- B(a);OGATE::QAB(A)
- B(a);OGATE,XS(E)::QAB(A)
- Tries
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- B(a);OGATE,P_SPINB(a),XS(E)::QAB(A)
- P(f);XS(D)::P(B)
- P(b);::R(F)
- Refutation
- R(e);P_SPINR(e),XS(E)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- R(e);N_GUARD,XS(E)::QAR1(A)
- P(f);XS(D)::P(B)
- P(b);::R(F)
- R(e);N_GUARD::QAR1(A),XR(e)
- R(j);N_GUARD::PXB(k)=Q
- B(a);::R(F)
- Refutation
- B(a);XS(E)
- Try
- Q(A);CHECK
- Vars
- R(e);N_GUARD,P_SPINR(e)::QAB1(A),XR(e)
- R(j);P_SPINR(j)::PXB(k)=Q
- Refutation
- R(j);XQ(A)
- Try
- P(I);
- Threat
- DUALS(5)
- Refutation
- R(j);XQ(I)
- Try
- Actual
- Q(A);
- Threat
- R(H)
- Vars
- R(e);SBLOCK,XS(E)::R(F)
- B(a);SBLOCK,XS(E)::P(B)
- R(e);N_GUARD::QAB1(A),XR(e)
- R(j);N_GUARD::PXB(k)=Q
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).