MESON Chess Problem Database
Problem Display
PID: 268902 (8/1p1rQ1p1/1q2p1Nr/4PkNp/4R2P/4P2P/2R2bK1/BB6 w - - 0 1)
Gvozdjak, Peter
1/2 Prize, SOKS-60 JT (Pat a Mat), 2012-2014
#2
12 + 9
| 17262 | FIDE Album (2013-2015) | 2019 |
| 6490 | yacpdb | 2023 |
SOLUTION
- SOUND
- Sets
- 1...Qxe3
- 2.Qxe6#
- 1...Qd4
- 2.Qxe6#
- 1...Qa5
- 2.Qxe6#
- 1...Qc5
- 2.Qxe6#
- 1...Qa7
- 2.Qxe6#
- 1...Qc7
- 2.Qxe6#
- 1...Qd8
- 2.Qxe6#
- 1...Qxb1
- 2.Qxe6#
- 1...Qb2
- 2.Qxe6#
- 1...Qb4
- 2.Qxe6#
- 1...Qb5
- 2.Qxe6#
- 1...Rxg6
- 2.Rxf2#
- 2.Rf4#
- 1...Rd1
- 2.Qf7#
- 1...Rd2
- 2.Qf7#
- 1...Rd3
- 2.Qf7#
- 1...Rd4
- 2.Qf7#
- 1...Rd5
- 2.Qf7#
- 1...Rd6
- 2.Qf7#
- 1...Rxe7
- 2.Sxe7#
- 1...Rd8
- 2.Qf7#
- 1...Bxh4
- 2.Sxh4#
- 1...Qxe3
- Tries
- 1.Rb2?
- threat
- 2.Rd4#
- 2.Rf4#
- 1...Kxg6
- 2.Rd4#
- 1...Qxe3
- 2.Rf4#
- 2.Qxe6#
- 1...Qxb2
- 2.Rf4#
- 2.Qxe6#
- 1...Rxg6
- 2.Rxf2#
- 1...Qd4
- 2.Rxd4#
- 2.Rf4#
- 2.Qxe6#
- 1...Qc5
- 2.Rf4#
- 2.Qxe6#
- 1...Qc7
- 2.Rf4#
- 2.Qxe6#
- 1...Qb3
- 2.Rf4#
- 1...Qb5
- 2.Rf4#
- 2.Qxe6#
- 1...Qa6
- 2.Rf4#
- 1...Rd1
- 2.Rf4#
- 2.Qf7#
- 1...Rd2
- 2.Rf4#
- 2.Qf7#
- 1...Rd3
- 2.Qf7#
- 1...Rd4
- 2.Rxd4#
- 2.Rf4#
- 2.Qf7#
- 1...Rc7
- 2.Rc4#
- 2.Rf4#
- 1...Qc6!
- threat
- 1.Rc6?
- threat
- 2.Rf4#
- 2.Qxe6#
- 1...Kxg6
- 2.Qxe6#
- 1...Qxb1
- 2.Qxe6#
- 1...Rxg6
- 2.Rf4#
- 1...Rxe7
- 2.Sxe7#
- 2.Rb4#
- 2.Rf4#
- 1...Bxh4
- 2.Sxh4#
- 2.Rf4#
- 1...Qb3
- 2.Rf4#
- 1...Rd3
- 2.Qxe6#
- 2.Qf7#
- 1...Rd6
- 2.Rf4#
- 2.Qf7#
- 1...Qxc6!
- threat
- 1.Qf8+?
- 1...Rf7
- 2.Se7#
- 2.Qxf7#
- 1...Kxg6!
- 1...Rf7
- 1.Qxd7?
- threat
- 2.Se7#
- 2.Qf7#
- 1...Kxg6
- 2.Qf7#
- 1...Rxg6
- 2.Rxf2#
- 2.Rf4#
- 1...Qc5
- 2.Qxe6#
- 2.Qf7#
- 1...Qc7
- 2.Se7#
- 2.Qxe6#
- 1...Qd8
- 2.Qxe6#
- 1...Qb4
- 2.Qxe6#
- 2.Qf7#
- 1...Qd6
- 2.Qf7#
- 1...Bxh4!
- threat
- 1.Qxg7?
- threat
- 2.Rxf2#
- 2.Rf4#
- 2.Qf6#
- 1...Qxe3
- 2.Qf6#
- 1...Rxg6
- 2.Rxf2#
- 2.Rf4#
- 1...Bxe3
- 2.Qf6#
- 1...Bxh4
- 2.Sxh4#
- 2.Qf6#
- 1...Qc6
- 2.Rxf2#
- 2.Qf6#
- 1...Qd4
- 2.Rxf2#
- 2.Qf6#
- 1...Qd8
- 2.Rxf2#
- 2.Rf4#
- 1...Qb2
- 2.Rf4#
- 2.Qf6#
- 1...Qb4
- 2.Rxf2#
- 2.Qf6#
- 1...Rd2
- 2.Se7#
- 2.Rf4#
- 2.Qf6#
- 2.Qf7#
- 1...Rd4
- 2.Se7#
- 2.Rxf2#
- 2.Qf6#
- 2.Qf7#
- 1...Rf7
- 2.Rxf2#
- 2.Rf4#
- 2.Qxf7#
- 1...Be1
- 2.Rf4#
- 2.Qf6#
- 1...Bg1
- 2.Rf4#
- 2.Qf6#
- 1...Bg3
- 2.Qf6#
- 1...Rxg7!
- threat
- 1.Rb2?
- Keys
- 1.Rd4!
- threat
- 2.Rb2#
- 2.Rxf2#
- 1...Qc6+
- 2.Rxc6#
- 1...Kxg6
- 2.Rb2#
- 1...Qxd4
- 2.Rxf2#
- 2.Qxe6#
- 1...Qxb1
- 2.Qxe6#
- 1...Rxg6
- 2.Rf4#
- 1...Rxd4
- 2.Rxf2#
- 2.Qf7#
- 1...Bxe3
- 2.Rb2#
- 2.Rf2#
- 1...Bxh4
- 2.Rb2#
- 2.Rf2#
- 1...Qc5
- 2.Rxf2#
- 2.Rc3#
- 2.Rcc4#
- 2.Rxc5#
- 2.Qxe6#
- 1...Qc7
- 2.Rxf2#
- 2.Rc3#
- 2.Rcc4#
- 2.Rc5#
- 2.Rc6#
- 2.Rxc7#
- 2.Qxe6#
- 1...Qb2
- 2.Rxb2#
- 2.Rxf2#
- 2.Qxe6#
- 1...Qb3
- 2.Rxf2#
- 1...Qb5
- 2.Rxf2#
- 2.Qxe6#
- 1...Qa6
- 2.Rxf2#
- 2.Rcc4#
- 1...Rc7
- 2.Rxf2#
- 1...Be1
- 2.Rb2#
- 2.Rf2#
- 1...Bg1
- 2.Rb2#
- 2.Rf2#
- 1...Bg3
- 2.Rb2#
- 2.Rf2#
- threat
- 1.Rd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 19
- Sets
- Q(d);N_GUARD,XP(E)::QAB1(L),XP(e)
- Q(d);N_GUARD::QAB1(L),XP(e)
- Q(d);N_GUARD,XB(B)::QAB1(L),XP(e)
- R(h);N_GUARD::QAR2(L)
- R(h);XQ(L)::S(K),XR(h)
- B(a);XP(H)::S(K),XB(a)
- Tries
- Try
- R(C);
- Threat
- DUALS(2)
- Vars
- K(b);S_FLIGHT,XS(K)::B(B)+R(G)
- R(f);P_PINS(J),SBLOCK,XS(K)::R(C),XB(a)
- Q(d);::B(B)+R(G),DCHECK
- R(h);N_GUARD::QAR2(L)
- Refutation
- Q(d);P_PINR(G)
- Try
- R(C);
- Threat
- DUALS(2)
- Vars
- K(b);P_SPINP(e),S_FLIGHT,XS(K)::QAR2(L),XP(e)
- Q(d);XB(B)::QAB1(L),XP(e)
- R(f);P_PINS(J),SBLOCK,XS(K)::B(B)+R(G),DCHECK
- Q(d);::B(B)+R(G),DCHECK
- Refutation
- Q(d);P_PINR(G),XR(C)
- Try
- Q(L);CHECK
- Refutation
- K(b);S_FLIGHT,XS(K)
- Try
- Q(L);P_PINP(e),XR(h)
- Threat
- DUALS(2)
- Vars
- K(b);N_SPINP(e),S_FLIGHT,XS(K)::QAB1(L)
- Q(d);N_GUARD::QAB1(L),XP(e)
- Q(d);::QAR2(L)
- Refutation
- B(a);XP(H)
- Try
- Q(L);XP(i)
- Threat
- DUALS(3)
- Vars
- Q(d);XP(E)::QAR1(L)
- B(a);XP(E)::QAR1(L)
- B(a);::QAR1(L)
- Refutation
- R(h);XQ(L)
- Try
- Actual
- R(G);
- Threat
- DUALS(2)
- Vars
- Q(d);CHECK,N_GUARD::B(B)+R(C),XQ(d)
- K(b);S_FLIGHT,XS(K)::B(B)+R(C)
- Q(d);N_GUARD,XB(B)::QAB1(L),XP(e)
- R(f);P_PINS(J),SBLOCK,XS(K)::R1(G)
- Q(d);::B(B)+R(C),DCHECK,XB(a)
- R(h);::B(B)+R(C),DCHECK,XB(a)
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).