MESON Chess Problem Database
Problem Display
PID: 102348 (6B1/P2P3P/pBppb3/1PPkr1R1/2ppp3/b3PP2/5Q2/1K4R1 w - - 0 1)
Zidek, Alexander
Schach-Aktiv, 1996
#2
13 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rf5
- 2.Rxf5#
- 1...Rxg5
- 2.Rxg5#
- 1...Bf7
- 2.Bxf7#
- 1...Bxg8
- 2.hxg8Q#
- 2.hxg8B#
- 1...c3
- 2.Qa2#
- 1...dxe3
- 2.Rd1#
- 1...exf3
- 2.Qxf3#
- 1...cxb5
- 2.a8Q#
- 2.a8B#
- 1...dxc5
- 2.d8Q#
- 2.d8R#
- 1...Rf5
- Tries
- 1.R1g4?
- threat
- 2.fxe4#
- 1...Rxg5
- 2.Rxg5#
- 1...Bxg8
- 2.hxg8Q#
- 2.hxg8B#
- 1...exf3
- 2.Rxd4#
- 2.Qxf3#
- 2.e4#
- 1...cxb5
- 2.a8Q#
- 2.a8B#
- 1...dxc5
- 2.d8Q#
- 2.d8R#
- 1...Rf5
- 2.Rxf5#
- 1...Bf7
- 2.Bxf7#
- 1...c3
- 2.Qa2#
- 1...dxe3!
- threat
- 1.Rxe5+?
- 1...dxe5
- 2.d8Q#
- 2.d8R#
- 1...Kxe5!
- 1...dxe5
- 1.Qh4?
- threat
- 2.Qxe4#
- 2.fxe4#
- 1...Rxg5
- 2.Rxg5#
- 2.Qxg5#
- 2.Qxe4#
- 1...Bxg8
- 2.hxg8Q#
- 2.hxg8B#
- 1...dxe3
- 2.Rd1#
- 2.Qxe4#
- 1...exf3
- 2.Qxd4#
- 2.e4#
- 1...cxb5
- 2.Qxe4#
- 2.a8Q#
- 2.a8B#
- 1...dxc5
- 2.d8Q#
- 2.d8R#
- 1...Rf5
- 2.Rxf5#
- 2.Qxe4#
- 1...Bf7
- 2.Bxf7#
- 1...c3!
- threat
- 1.Qc2?
- threat
- 2.Qxe4#
- 2.fxe4#
- 1...Rxg5
- 2.Rxg5#
- 2.Qxe4#
- 1...Bxg8
- 2.hxg8Q#
- 2.hxg8B#
- 1...dxe3
- 2.Rd1#
- 2.Qd1#
- 2.Qxe4#
- 1...exf3
- 2.e4#
- 1...cxb5
- 2.Qxe4#
- 2.a8Q#
- 2.a8B#
- 1...dxc5
- 2.d8Q#
- 2.d8R#
- 1...Rf5
- 2.Rxf5#
- 2.Qxe4#
- 1...Bf7
- 2.Bxf7#
- 1...c3
- 2.Qb3#
- 2.Qa2#
- 1...d3!
- threat
- 1.a8Q?
- threat
- 2.Qxc6#
- 1...Rxg5
- 2.Rxg5#
- 1...Bxg8
- 2.Qxg8#
- 2.hxg8Q#
- 2.hxg8B#
- 1...dxe3
- 2.Rd1#
- 1...Rf5
- 2.Rxf5#
- 1...Bf7
- 2.Bxf7#
- 1...c3
- 2.Qa2#
- 1...axb5!
- threat
- 1.a8S?
- threat
- 2.Sc7#
- 1...Rxg5
- 2.Rxg5#
- 1...dxe3
- 2.Rd1#
- 1...exf3
- 2.Qxf3#
- 1...dxc5
- 2.d8Q#
- 2.d8R#
- 1...Rf5
- 2.Rxf5#
- 1...c3
- 2.Qa2#
- 1...cxb5!
- threat
- 1.a8B?
- threat
- 2.Bxc6#
- 1...Rxg5
- 2.Rxg5#
- 1...Bxg8
- 2.hxg8Q#
- 2.hxg8B#
- 1...dxe3
- 2.Rd1#
- 1...dxc5
- 2.d8Q#
- 2.d8R#
- 1...Rf5
- 2.Rxf5#
- 1...Bf7
- 2.Bxf7#
- 1...c3
- 2.Qa2#
- 1...axb5!
- threat
- 1.d8Q?
- threat
- 2.Qxd6#
- 1...exf3
- 2.Qxf3#
- 1...c3
- 2.Qa2#
- 1...Bxc5!
- threat
- 1.d8S?
- threat
- 2.Bxe6#
- 1...Rxg5
- 2.Rxg5#
- 1...Bxg8
- 2.hxg8Q#
- 2.hxg8B#
- 1...dxe3
- 2.Rd1#
- 1...exf3
- 2.Qxf3#
- 1...Rf5
- 2.Rxf5#
- 1...Bf7
- 2.Bxf7#
- 1...dxc5!
- threat
- 1.d8R?
- threat
- 2.Rxd6#
- 1...Rxg5
- 2.Rxg5#
- 1...exf3
- 2.Qxf3#
- 1...Rf5
- 2.Rxf5#
- 1...c3
- 2.Qa2#
- 1...Bxc5!
- threat
- 1.R1g4?
- Keys
- 1.Qg2!
- threat
- 2.fxe4#
- 1...Rxg5
- 2.Qxg5#
- 1...Bxg8
- 2.hxg8Q#
- 2.hxg8B#
- 1...dxe3
- 2.Rd1#
- 1...exf3
- 2.Qxf3#
- 1...cxb5
- 2.a8Q#
- 2.a8B#
- 1...dxc5
- 2.d8Q#
- 2.d8R#
- 1...Rf5
- 2.Rxf5#
- 1...Bf7
- 2.Bxf7#
- 1...c3
- 2.Qa2#
- threat
- 1.Qg2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(f);OGATEB::R(H),XR(f)
- R(f);N_SPINR(f),OGATE,XR(H)::R(B),XR(f)
- B(j);OGATEB::B(M),XB(j)
- B(j);N_SPINB(j),OGATE,XB(M)::PXB(j)=Q
- P(b);OGATEB::QAB(C)
- P(c);OGATEB,XP(D)::R(B)
- P(d);OGATE,XP(E)::QAB(C),XP(d)
- P(h);XP(F)::P=Q
- P(i);XP(G)::P=Q
- Tries
- Try
- R(B);
- Threat
- P(E),XP(d)
- Vars
- R(f);N_SPINR(f),OGATE,XR(H)::R(B),XR(f)
- B(j);N_SPINB(j),OGATE,XB(M)::PXB(j)=Q
- P(h);XP(F)::P=Q
- P(i);XP(G)::P=Q
- R(f);OGATEB::R(H),XR(f)
- B(j);OGATEB::B(M),XB(j)
- P(b);OGATEB::QAB(C)
- Refutation
- P(c);XP(D)
- Try
- R(H);CHECK,XR(f)
- Vars
- P(i);SBLOCK,XR(H)::P=Q
- Refutation
- K(e);N_SPINB(j),P-FLIGHT,XR(H)
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- B(j);N_SPINB(j),OGATE,XB(M)::PXB(j)=Q
- P(i);XP(G)::P=Q
- B(j);OGATEB::B(M),XB(j)
- Refutation
- P(b);
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- B(j);N_SPINB(j),OGATE,XB(M)::PXB(j)=Q
- P(d);OGATE,XP(E)::P(D)
- P(i);XP(G)::P=Q
- B(j);OGATEB::B(M),XB(j)
- Refutation
- P(c);
- Try
- P(J);P_PINP(h)
- Threat
- QAB1(J),XP(h)
- Vars
- R(f);N_SPINR(f),OGATE,XR(H)::R(B),XR(f)
- P(c);OGATEB,XP(D)::R(B)
- R(f);OGATEB::R(H),XR(f)
- B(j);OGATEB::B(M),XB(j)
- P(b);OGATEB::QAB(C)
- Refutation
- P(g);XP(F)
- Try
- P(J);
- Threat
- S(J)
- Vars
- R(f);N_SPINR(f),OGATE,XR(H)::R(B),XR(f)
- P(c);OGATEB,XP(D)::R(B)
- P(d);OGATE,XP(E)::QAB(C),XP(d)
- P(i);XP(G)::P=Q
- R(f);OGATEB::R(H),XR(f)
- P(b);OGATEB::QAB(C)
- Refutation
- P(h);XP(F)
- Try
- P(J);P_PINP(h)
- Threat
- B(J),XP(h)
- Vars
- R(f);N_SPINR(f),OGATE,XR(H)::R(B),XR(f)
- B(j);N_SPINB(j),OGATE,XB(M)::PXB(j)=Q
- P(c);OGATEB,XP(D)::R(B)
- P(i);XP(G)::P=Q
- R(f);OGATEB::R(H),XR(f)
- B(j);OGATEB::B(M),XB(j)
- P(b);OGATEB::QAB(C)
- Refutation
- P(g);XP(F)
- Try
- P(K);P_PINP(i)
- Threat
- QAR1(K),XP(i)
- Vars
- P(d);OGATE,XP(E)::QAB(C),XP(d)
- P(b);OGATEB::QAB(C)
- Refutation
- B(a);XP(G)
- Try
- P(K);
- Threat
- B(M),XB(j)
- Vars
- R(f);N_SPINR(f),OGATE,XR(H)::R(B),XR(f)
- B(j);N_SPINB(j),OGATE,XB(M)::PXB(j)=Q
- P(c);OGATEB,XP(D)::R(B)
- P(d);OGATE,XP(E)::QAB(C),XP(d)
- R(f);OGATEB::R(H),XR(f)
- B(j);OGATEB::B(M),XB(j)
- Refutation
- P(i);XP(G)
- Try
- P(K);P_PINP(i)
- Threat
- R1(K),XP(i)
- Vars
- R(f);N_SPINR(f),OGATE,XR(H)::R(B),XR(f)
- P(d);OGATE,XP(E)::QAB(C),XP(d)
- R(f);OGATEB::R(H),XR(f)
- P(b);OGATEB::QAB(C)
- Refutation
- B(a);XP(G)
- Try
- Actual
- Q(C);
- Threat
- P(E),XP(d)
- Vars
- R(f);N_SPINR(f),OGATE,XR(H)::QAR(C),XR(f)
- B(j);N_SPINB(j),OGATE,XB(M)::PXB(j)=Q
- P(c);OGATEB,XP(D)::R(B)
- P(d);OGATE,P_SPINP(d),XP(E)::QAB(C),XP(d)
- P(h);XP(F)::P=Q
- P(i);XP(G)::P=Q
- R(f);OGATEB::R(H),XR(f)
- B(j);OGATEB::B(M),XB(j)
- P(b);OGATEB::QAB(C)
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).