MESON Chess Problem Database
Problem Display
PID: 260893 (1NK3B1/6NP/r2b4/5p2/1B1k1P2/2Rp1P1q/1PrP3p/Q6n w - - 0 1)
Krizhanivsky, Vasil Viktorovich
4th Prize, Neue Zurcher Zeitung, 2013-2014
(First published on Sat Aug 16 2014)
#2
12 + 9
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Qf1
- 2.Sxf5#
- 1...Qg2
- 2.Sxf5#
- 1...Qg3
- 2.Sxf5#
- 1...Qh4
- 2.Sxf5#
- 1...Qh6
- 2.Sxf5#
- 1...Rxb2
- 2.Rc4#
- 1...Rxc3+
- 2.bxc3#
- 1...Rxa1
- 2.Sc6#
- 1...Ra2
- 2.Sc6#
- 1...Ra3
- 2.Sc6#
- 1...Ra4
- 2.Sc6#
- 1...Ra5
- 2.Sc6#
- 1...Rc6+
- 2.Sxc6#
- 1...Ra7
- 2.Sc6#
- 1...Bc5
- 2.Bxc5#
- 1...Be5
- 2.Bc5#
- 1...Bc7
- 2.Bc5#
- 1...Bxb8
- 2.Bc5#
- 1...Qf1
- Tries
- 1.Bxd6?
- threat
- 2.Bc5#
- 2.Be5#
- 1...Rxc3+
- 2.bxc3#
- 1...Rc6+
- 2.Sxc6#
- 1...Rxd2
- 2.Bc5#
- 1...Rxd6
- 2.Qa4#
- 1...Ra5
- 2.Sc6#
- 1...Qxf3!
- threat
- 1.Qa2?
- threat
- 2.Se6#
- 2.Qc4#
- 2.Qd5#
- 1...Rxc3+
- 2.bxc3#
- 1...Rc6+
- 2.Sxc6#
- 1...Qxf3
- 2.Qc4#
- 1...Rxa2
- 2.Sc6#
- 1...Bxb4
- 2.Qc4#
- 2.Qd5#
- 1...Bxf4
- 2.Qd5#
- 1...Bxb8
- 2.Bc5#
- 2.Qc4#
- 2.Qd5#
- 1...Qh6
- 2.Sxf5#
- 2.Qc4#
- 2.Qd5#
- 1...Ra5
- 2.Se6#
- 2.Sc6#
- 2.Qc4#
- 1...Bc5
- 2.Bxc5#
- 2.Qc4#
- 2.Qd5#
- 1...Be5
- 2.Bc5#
- 2.Qc4#
- 2.Qd5#
- 1...Bc7
- 2.Bc5#
- 2.Qc4#
- 2.Qd5#
- 1...Be7
- 2.Qc4#
- 2.Qd5#
- 1...Bf8
- 2.Qc4#
- 2.Qd5#
- 1...Rxd2!
- threat
- 1.Qa4?
- threat
- 2.Bc5#
- 1...Rxc3+
- 2.bxc3#
- 1...Rc6+
- 2.Sxc6#
- 1...Rxa4
- 2.Sc6#
- 1...Bxb4
- 2.Qxb4#
- 1...Bc5
- 2.Bxc5#
- 1...Bxf4!
- threat
- 1.Qxa6?
- threat
- 2.Sc6#
- 2.Qxd3#
- 2.Qc4#
- 2.Qxd6#
- 1...Rxc3+
- 2.bxc3#
- 1...Qxf3
- 2.Qc4#
- 1...Bxb4
- 2.Sc6#
- 2.Qxd3#
- 2.Qc4#
- 2.Qf6#
- 1...Bxf4
- 2.Sc6#
- 1...Bxb8
- 2.Bc5#
- 2.Qxd3#
- 2.Qc4#
- 2.Qb6#
- 1...Qf1
- 2.Sxf5#
- 2.Sc6#
- 2.Qc4#
- 2.Qxd6#
- 1...Qh6
- 2.Sxf5#
- 2.Sc6#
- 2.Qxd3#
- 2.Qc4#
- 1...Bc5
- 2.Sc6#
- 2.Bxc5#
- 2.Rxd3#
- 2.Qxd3#
- 2.Qc4#
- 2.Qf6#
- 1...Be5
- 2.Sc6#
- 2.Bc5#
- 2.Qxd3#
- 2.Qc4#
- 2.Qb6#
- 2.Qa7#
- 1...Bc7
- 2.Sc6#
- 2.Bc5#
- 2.Rxd3#
- 2.Qxd3#
- 2.Qc4#
- 1...Be7
- 2.Sc6#
- 2.Qxd3#
- 2.Qc4#
- 1...Bf8
- 2.Sc6#
- 2.Qxd3#
- 2.Qc4#
- 2.Qf6#
- 1...Sf2
- 2.Sc6#
- 2.Qc4#
- 2.Qxd6#
- 1...Rxd2!
- threat
- 1.b3?
- threat
- 2.Rc4#
- 1...Rxc3+
- 2.Qxc3#
- 1...Rc6+
- 2.Sxc6#
- 1...Rxa1
- 2.Sc6#
- 1...Rxd2!
- threat
- 1.h8Q?
- threat
- 2.Sxf5#
- 1...Rxc3+
- 2.bxc3#
- 1...Rc6+
- 2.Sxc6#
- 1...Be5
- 2.Bc5#
- 1...Qxf3!
- threat
- 1.h8B?
- threat
- 2.Sxf5#
- 1...Rxc3+
- 2.bxc3#
- 1...Rc6+
- 2.Sxc6#
- 1...Be5
- 2.Bc5#
- 1...Qxf3!
- threat
- 1.Bxd6?
- Keys
- 1.Qe1!
- threat
- 2.Qe3#
- 1...Rxc3+
- 2.bxc3#
- 2.dxc3#
- 1...Rc6+
- 2.Sxc6#
- 1...Qxf3
- 2.Sxf5#
- 1...Rxd2
- 2.Rc4#
- 1...Bxf4
- 2.Bc5#
- threat
- 1.Qe1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 17
- Sets
- Q(e);N_GUARD::S(H),XP(g)
- R(b);N_GUARD,N_PINR(D),XP(B)::R1(D)
- R(b);CHECK,OGATE,XR(D)::P(B),XR(b)
- R(h);N_GUARD,XQ(A)::S(J)
- R(h);N_GUARD::S(J)
- R(h);CHECK,N_GUARD,N_PINR(D)::S(J),XR(h)
- B(i);N_GUARD,N_PINR(D)::B(F),XB(i)
- B(i);N_GUARD::B(F)
- B(i);N_GUARD,N_PINR(D)::B(F)
- B(i);N_GUARD,XS(J)::B(F)
- Tries
- Try
- B(F);XB(i)
- Threat
- DUALS(2)
- Vars
- R(b);CHECK,OGATE,XR(D)::P(B),XR(b)
- R(h);CHECK,N_GUARD,N_PINR(D)::S(J),XR(h)
- R(b);N_PINR(D),XP(C)::B(F)
- R(h);N_GUARD,XB(F)::QAR(A)
- R(h);N_GUARD::S(J)
- Refutation
- Q(e);XP(E)
- Try
- Q(A);
- Threat
- DUALS(3)
- Vars
- R(b);CHECK,OGATE,XR(D)::P(B),XR(b)
- R(h);CHECK,N_GUARD,N_PINR(D)::S(J),XR(h)
- Q(e);XP(E)::QAR1(A)
- R(h);N_GUARD,XQ(A)::S(J)
- B(i);XP(G)::QAR1(A)
- Refutation
- R(b);N_PINR(D),XP(C)
- Try
- Q(A);
- Threat
- QAR(A)+B(F),DCHECK
- Vars
- R(b);CHECK,OGATE,XR(D)::P(B),XR(b)
- R(h);CHECK,N_GUARD,N_PINR(D)::S(J),XR(h)
- R(h);N_GUARD,XQ(A)::S(J)
- B(i);OGATE,P_SPINB(i),XB(F)::QAR2(A),XB(i)
- B(i);N_PINR(D)::QAR(A)+B(F),DCHECK,XB(i)
- Refutation
- B(i);XP(G)
- Try
- Q(A);XR(h)
- Threat
- DUALS(4)
- Vars
- R(b);CHECK,OGATE,XR(D)::P(B),XR(b)
- Q(e);XP(E)::QAR1(A)
- B(i);XP(G)::S(J)
- Refutation
- R(b);N_PINR(D),XP(C)
- Try
- P(B);
- Threat
- QAB(A)+R(D),DCHECK
- Vars
- R(b);CHECK,OGATE,P_SPINR(b),XR(D)::QAB1(A),XR(b)
- R(h);CHECK,N_GUARD,N_PINR(D)::S(J),XR(h)
- R(h);N_GUARD,XQ(A)::S(J)
- Refutation
- R(b);N_PINR(D),XP(C)
- Try
- P(I);
- Threat
- QAB(I)+S(H),DCHECK,XP(g)
- Vars
- R(b);CHECK,OGATE,XR(D)::P(B),XR(b)
- R(h);CHECK,N_GUARD,N_PINR(D)::S(J),XR(h)
- B(i);N_GUARD::B(F)
- Refutation
- Q(e);XP(E)
- Try
- P(I);
- Threat
- B(I)+S(H),DCHECK,XP(g)
- Vars
- R(b);CHECK,OGATE,XR(D)::P(B),XR(b)
- R(h);CHECK,N_GUARD,N_PINR(D)::S(J),XR(h)
- B(i);N_GUARD::B(F)
- Refutation
- Q(e);XP(E)
- Try
- Actual
- Q(A);
- Threat
- QAB1(A)
- Vars
- R(h);CHECK,N_GUARD,N_PINR(D)::S(J),XR(h)
- Q(e);N_GUARD,XP(E)::S(H),XP(g)
- R(b);N_GUARD,N_PINR(D),XP(C)::R1(D)
- B(i);N_GUARD,XP(G)::B(F)
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).