MESON Chess Problem Database
Problem Display
PID: 109998 (4N1rQ/4N1P1/2r1p3/1RP1k2p/1Kp2p2/2P2PP1/1B2BR1q/8 w - - 0 1)
Kwiatkowski, Vitaly I
Hlas l'udu, 1980
#2
13 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qg1
- 2.Qxh5#
- 1...Qxf2
- 2.Qxh5#
- 1...Qg2
- 2.Qxh5#
- 1...Rxc5
- 2.Rxc5#
- 1...Ra6
- 2.c6#
- 1...Rb6
- 2.cxb6#
- 1...Rd6
- 2.cxd6#
- 1...Rc7
- 2.c6#
- 1...Rc8
- 2.c6#
- 1...Rxg7
- 2.Qxg7#
- 1...Rxe8
- 2.g8Q#
- 2.g8S#
- 2.g8B#
- 2.g8R#
- 1...Rf8
- 2.gxf8Q#
- 2.gxf8S#
- 2.gxf8B#
- 2.gxf8R#
- 1...Rxh8
- 2.gxh8Q#
- 2.gxh8B#
- 1...h4
- 2.Qh5#
- 1...Qg1
- Tries
- 1.Sg6+?
- 1...Kd5
- 2.Sf6#
- 2.Bxc4#
- 1...Kf5!
- 1...Kd5
- 1.Bd1?
- 1...Qxg3
- 2.Re2#
- 1...Qxf2
- 2.Qxh5#
- 1...Rxc5
- 2.Rxc5#
- 1...Rxg7
- 2.Qxg7#
- 1...Rxe8
- 2.g8Q#
- 2.g8S#
- 2.g8B#
- 2.g8R#
- 1...Rxh8
- 2.gxh8Q#
- 2.gxh8B#
- 1...Qg1
- 2.Qxh5#
- 1...Qh1
- 2.Re2#
- 1...Qg2
- 2.Qxh5#
- 1...Qh3
- 2.Re2#
- 1...Qh4
- 2.Re2#
- 1...Ra6
- 2.c6#
- 1...Rb6
- 2.cxb6#
- 1...Rd6
- 2.cxd6#
- 1...Rc7
- 2.c6#
- 1...Rc8
- 2.c6#
- 1...Rf8
- 2.gxf8Q#
- 2.gxf8S#
- 2.gxf8B#
- 2.gxf8R#
- 1...h4
- 2.Qh5#
- 1...fxg3!
- 1...Qxg3
- 1.Bf1?
- 1...Qxg3
- 2.Re2#
- 1...Qxf2
- 2.Qxh5#
- 1...Rxc5
- 2.Rxc5#
- 1...Rxg7
- 2.Qxg7#
- 1...Rxe8
- 2.g8Q#
- 2.g8S#
- 2.g8B#
- 2.g8R#
- 1...Rxh8
- 2.gxh8Q#
- 2.gxh8B#
- 1...Qg1
- 2.Qxh5#
- 1...Qh1
- 2.Re2#
- 1...Qg2
- 2.Qxh5#
- 1...Qh3
- 2.Re2#
- 1...Qh4
- 2.Re2#
- 1...Ra6
- 2.c6#
- 1...Rb6
- 2.cxb6#
- 1...Rd6
- 2.cxd6#
- 1...Rc7
- 2.c6#
- 1...Rc8
- 2.c6#
- 1...Rf8
- 2.gxf8Q#
- 2.gxf8S#
- 2.gxf8B#
- 2.gxf8R#
- 1...h4
- 2.Qh5#
- 1...fxg3!
- 1...Qxg3
- 1.Bxc4?
- 1...Qxg3
- 2.Re2#
- 1...Qxf2
- 2.Qxh5#
- 1...Rxc5
- 2.Rxc5#
- 1...Rxg7
- 2.Qxg7#
- 1...Rxe8
- 2.g8Q#
- 2.g8S#
- 2.g8B#
- 2.g8R#
- 1...Rxh8
- 2.gxh8Q#
- 2.gxh8B#
- 1...Qg1
- 2.Qxh5#
- 1...Qh1
- 2.Re2#
- 1...Qg2
- 2.Qxh5#
- 1...Qh3
- 2.Re2#
- 1...Qh4
- 2.Re2#
- 1...Ra6
- 2.c6#
- 1...Rb6
- 2.cxb6#
- 1...Rd6
- 2.cxd6#
- 1...Rc7
- 2.c6#
- 1...Rc8
- 2.c6#
- 1...Rf8
- 2.gxf8Q#
- 2.gxf8S#
- 2.gxf8B#
- 2.gxf8R#
- 1...h4
- 2.Qh5#
- 1...fxg3!
- 1...Qxg3
- 1.Rxh2?
- threat
- 2.Rxh5#
- 2.Qxh5#
- 1...Rxg7
- 2.Rxh5#
- 2.Qxg7#
- 1...Rxe8
- 2.g8Q#
- 2.g8S#
- 2.g8B#
- 2.g8R#
- 1...Rxh8
- 2.gxh8Q#
- 2.gxh8B#
- 1...Rf8
- 2.gxf8Q#
- 2.gxf8S#
- 2.gxf8B#
- 2.gxf8R#
- 1...h4
- 2.Qh5#
- 1...fxg3!
- threat
- 1.Sg6+?
- Keys
- 1.Bd3!
- 1...Qxg3
- 2.Re2#
- 1...Qxf2
- 2.Qxh5#
- 1...Rxc5
- 2.Rxc5#
- 1...Rxg7
- 2.Qxg7#
- 1...Rxe8
- 2.g8Q#
- 2.g8S#
- 2.g8B#
- 2.g8R#
- 1...Rxh8
- 2.gxh8Q#
- 2.gxh8B#
- 1...cxd3
- 2.c4#
- 1...fxg3
- 2.f4#
- 1...Qg1
- 2.Qxh5#
- 1...Qh1
- 2.Re2#
- 1...Qg2
- 2.Qxh5#
- 1...Qh3
- 2.Re2#
- 1...Qh4
- 2.Re2#
- 1...Ra6
- 2.c6#
- 1...Rb6
- 2.cxb6#
- 1...Rd6
- 2.cxd6#
- 1...Rc7
- 2.c6#
- 1...Rc8
- 2.c6#
- 1...Rf8
- 2.gxf8Q#
- 2.gxf8S#
- 2.gxf8B#
- 2.gxf8R#
- 1...h4
- 2.Qh5#
- 1...Qxg3
- 1.Bd3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- Q(a);N_GUARD::QAR(M),XP(e)
- Q(a);N_GUARD,XR(C)::QAR(M),XP(e)
- R(f);OGATE,P_SPINR(f),XP(I)::R(H),XR(f)
- R(f);OGATE::R(H)+P(I)
- R(f);OGATE,P_PINR(H)::R(H)+P(I),XR(f)
- R(f);OGATE::R(H)+P(I),XR(f)
- R(h);OGATE,P_SPINR(h),XP(K)::QAB(M),XR(h)
- R(h);OGATE,XQ(M)::PXR(h)=Q
- P(e);S_CUTQ(a)::QAR(M)
- Tries
- Try
- S(J);CHECK
- Refutation
- K(d);P-FLIGHT
- Try
- B(B);
- Vars
- Q(a);N_GUARD,XP(F)::R(C)
- Q(a);N_GUARD,XR(C)::QAR(M),XP(e)
- R(f);OGATE,P_SPINR(f),XP(I)::R(H),XR(f)
- R(h);OGATE,P_SPINR(h),XP(K)::QAB(M),XR(h)
- R(h);OGATE,XQ(M)::PXR(h)=Q
- Q(a);N_GUARD::QAR(M),XP(e)
- Q(a);N_GUARD::R(C)
- R(f);OGATE::R(H)+P(I)
- R(f);OGATE,P_PINR(H)::R(H)+P(I),XR(f)
- R(f);OGATE::R(H)+P(I),XR(f)
- P(e);S_CUTQ(a)::QAR(M)
- Refutation
- P(c);XP(F)
- Try
- B(B);
- Vars
- Q(a);N_GUARD,XP(F)::R(C)
- Q(a);N_GUARD,XR(C)::QAR(M),XP(e)
- R(f);OGATE,P_SPINR(f),XP(I)::R(H),XR(f)
- R(h);OGATE,P_SPINR(h),XP(K)::QAB(M),XR(h)
- R(h);OGATE,XQ(M)::PXR(h)=Q
- Q(a);N_GUARD::QAR(M),XP(e)
- Q(a);N_GUARD::R(C)
- R(f);OGATE::R(H)+P(I)
- R(f);OGATE,P_PINR(H)::R(H)+P(I),XR(f)
- R(f);OGATE::R(H)+P(I),XR(f)
- P(e);S_CUTQ(a)::QAR(M)
- Refutation
- P(c);XP(F)
- Try
- B(B);XP(b)
- Vars
- Q(a);N_GUARD,XP(F)::R(C)
- Q(a);N_GUARD,XR(C)::QAR(M),XP(e)
- R(f);OGATE,P_SPINR(f),XP(I)::R(H),XR(f)
- R(h);OGATE,P_SPINR(h),XP(K)::QAB(M),XR(h)
- R(h);OGATE,XQ(M)::PXR(h)=Q
- Q(a);N_GUARD::QAR(M),XP(e)
- Q(a);N_GUARD::R(C)
- R(f);OGATE::R(H)+P(I)
- R(f);OGATE,P_PINR(H)::R(H)+P(I),XR(f)
- R(f);OGATE::R(H)+P(I),XR(f)
- P(e);S_CUTQ(a)::QAR(M)
- Refutation
- P(c);XP(F)
- Try
- R(C);XQ(a)
- Threat
- DUALS(2)
- Vars
- R(h);OGATE,XQ(M)::PXR(h)=Q
- P(e);::QAR(M)
- Refutation
- P(c);XP(F)
- Try
- Actual
- B(B);
- Vars
- Q(a);N_GUARD,XP(F)::R(C)
- Q(a);N_GUARD,XR(C)::QAR(M),XP(e)
- R(f);OGATE,P_SPINR(f),XP(I)::R(H),XR(f)
- R(h);OGATE,P_SPINR(h),XP(K)::QAB(M),XR(h)
- R(h);OGATE,XQ(M)::PXR(h)=Q
- P(b);OGATE,XB(B)::B(A)+P(D)
- P(c);OGATE,XP(F)::P(E)
- Q(a);N_GUARD::QAR(M),XP(e)
- Q(a);N_GUARD::R(C)
- R(f);OGATE::R(H)+P(I)
- R(f);OGATE,P_PINR(H)::R(H)+P(I),XR(f)
- R(f);OGATE::R(H)+P(I),XR(f)
- P(e);S_CUTQ(a)::QAR(M)
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).