MESON Chess Problem Database
Problem Display
PID: 243994 (7B/r5RB/PPP1P3/1KpNRP1P/3kN3/Q3nn2/p1P2Prq/b7 w - - 0 1)
Gvozdjak, Peter
Pat a Mat, 2012
#2
16 + 9
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qxe5
- 2.Qd3#
- 1...Bb2
- 2.Qxb2#
- 1...Bc3
- 2.Qxc3#
- 1...Qxe5
- Tries
- 1.Sg5?
- threat
- 2.Sxf3#
- 2.Qxe3#
- 1...Kxe5
- 2.Rd7#
- 1...Qxe5
- 2.Qxc5#
- 2.Qd3#
- 1...Qxh5
- 2.Qxe3#
- 1...Rxf2
- 2.Qxe3#
- 1...Rxg5
- 2.Qxe3#
- 1...Sxc2
- 2.Sxf3#
- 1...Sxd5
- 2.Sxf3#
- 2.Re4#
- 1...Sxf5
- 2.Sxf3#
- 1...Sxe5
- 2.Qxc5#
- 1...Sxg5
- 2.Qxe3#
- 1...Qg3
- 2.Qxe3#
- 1...Qh3
- 2.Qxe3#
- 1...Rg3
- 2.Qxe3#
- 1...Bc3
- 2.Sxf3#
- 2.Qxc3#
- 1...Sd1
- 2.Sxf3#
- 1...Sf1
- 2.Sxf3#
- 1...Sc4
- 2.Sxf3#
- 1...Sg4
- 2.Sxf3#
- 1...Se1
- 2.Qxe3#
- 1...Sg1
- 2.Qxe3#
- 1...Sd2
- 2.Qxe3#
- 1...Sh4
- 2.Qxe3#
- 1...Qf4!
- threat
- 1.Sdf6?
- threat
- 2.Qxc5#
- 1...Qxe5
- 2.Qd3#
- 2.Qxe3#
- 2.fxe3#
- 1...Sxc2
- 2.Rd5#
- 1...Sd5
- 2.Rxd5#
- 1...c4
- 2.Qc5#
- 1...Kxe5!
- threat
- 1.Sc7?
- threat
- 2.Qxc5#
- 1...Kxe5
- 2.Rg4#
- 1...Qxe5
- 2.Qd3#
- 2.Qxe3#
- 1...Sxc2
- 2.Rd7#
- 1...Sxe5
- 2.Qxe3#
- 1...c4
- 2.Qc5#
- 1...Sd5!
- threat
- 1.Rg4?
- threat
- 2.Qxc5#
- 2.Qd3#
- 2.Qxe3#
- 2.fxe3#
- 1...Qxe5
- 2.Qxc5#
- 2.Qd3#
- 1...Rxf2
- 2.Qxc5#
- 2.Qd3#
- 2.Qxe3#
- 1...Sxc2
- 2.Sg3#
- 1...Sxg4
- 2.Qxc5#
- 2.Qd3#
- 1...Sxd5
- 2.Qxc5#
- 2.Qd3#
- 1...Sxf5
- 2.Sg3#
- 2.Qxc5#
- 2.Qd3#
- 1...Sxe5
- 2.Qxc5#
- 2.Qd3#
- 1...Qf4
- 2.Qxc5#
- 2.Qd3#
- 1...Qg1
- 2.Qxc5#
- 2.Qd3#
- 2.Qxe3#
- 1...Bc3
- 2.Qxc5#
- 2.Qxc3#
- 2.fxe3#
- 1...Sd1
- 2.Sg3#
- 2.Qxc5#
- 2.Qd3#
- 1...Sf1
- 2.Sg3#
- 2.Qxc5#
- 2.Qd3#
- 1...Sc4
- 2.Sg3#
- 2.Qxc5#
- 2.Qd3#
- 1...Se1
- 2.Qxc5#
- 2.Qxe3#
- 2.fxe3#
- 1...c4
- 2.Qc5#
- 2.Qxe3#
- 2.fxe3#
- 1...Rg7!
- threat
- 1.Rd7?
- threat
- 2.Qxc5#
- 2.Qd3#
- 2.Qxe3#
- 2.fxe3#
- 1...Qxe5
- 2.Qd3#
- 2.Qxe3#
- 1...Rxf2
- 2.Qxc5#
- 2.Qd3#
- 2.Qxe3#
- 1...Sxc2
- 2.Sc7#
- 1...Sxd5
- 2.Rdxd5#
- 2.Qxc5#
- 2.Qd3#
- 2.Qe3#
- 1...Sxf5
- 2.Qxc5#
- 2.Qd3#
- 1...Sxe5
- 2.Qd3#
- 2.Qxe3#
- 1...Qf4
- 2.Qxc5#
- 2.Qd3#
- 1...Qg1
- 2.Qxc5#
- 2.Qd3#
- 2.Qxe3#
- 1...Bc3
- 2.Qxc5#
- 2.Qxc3#
- 2.fxe3#
- 1...Sd1
- 2.Sc7#
- 2.Qxc5#
- 2.Qd3#
- 1...Sf1
- 2.Sc7#
- 2.Qxc5#
- 2.Qd3#
- 1...Sc4
- 2.Qxc5#
- 2.Qd3#
- 1...Sg4
- 2.Sc7#
- 2.Qxc5#
- 2.Qd3#
- 1...Se1
- 2.Qxc5#
- 2.Qxe3#
- 2.fxe3#
- 1...c4
- 2.Qc5#
- 2.Qxe3#
- 2.fxe3#
- 1...Rg7!
- threat
- 1.Sg5?
- Keys
- 1.Sg3!
- threat
- 2.Qxe3#
- 1...Kxe5
- 2.Rd7#
- 1...Sxc2
- 2.Rg4#
- 1...Sxd5
- 2.Re4#
- 1...Sxf5
- 2.Rg4#
- 1...Sxe5
- 2.Qxc5#
- 1...Bc3
- 2.Qxc3#
- 1...Sd1
- 2.Rg4#
- 1...Sf1
- 2.Rg4#
- 1...Sc4
- 2.Rg4#
- 1...Sg4
- 2.Rxg4#
- threat
- 1.Sg3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 2
- Sets
- Q(d);SBLOCK,XR(G)::QAR1(C)
- B(a);N_GUARD::QAB(C),XB(a)
- B(a);N_GUARD::QAB1(C),XB(a)
- Tries
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- K(g);OGATEB,S_FLIGHT,XR(G)::B(P)+R(N)
- Q(d);XP(I)::QAB1(C),XS(e)
- R(c);XP(B)::QAB1(C),XS(e)
- R(c);XS(D)::QAB1(C),XS(e)
- S(e);XP(A)::S(D),XS(f)
- S(e);XP(H)::S(D),XS(f)
- S(f);SBLOCK,XR(G)::QAB1(C),XP(h)
- S(f);XS(D)::QAB1(C),XS(e)
- Q(d);::QAB1(C),XS(e)
- R(c);::QAB1(C),XS(e)
- S(e);::S(D),XS(f)
- S(f);::QAB1(C),XS(e)
- Refutation
- Q(d);
- Try
- S(F);
- Threat
- QAB1(C),XP(h)
- Vars
- S(e);N_GUARD,XP(A)::R1(G)
- S(e);N_GUARD::R1(G),XS(e)
- P(h);::QAB1(C)
- Refutation
- K(g);S_FLIGHT,XR(G)
- Try
- S(F);
- Threat
- QAB1(C),XP(h)
- Vars
- K(g);OGATEB,S_FLIGHT,XR(G)::B(P)+R(N)
- S(e);N_GUARD,XP(A)::R(N)
- S(f);SBLOCK,XR(G)::QAB1(C),XS(e)
- P(h);::QAB1(C)
- Refutation
- S(e);
- Try
- R(N);
- Threat
- DUALS(4)
- Vars
- S(e);N_GUARD,XP(A)::R(N)+S(D)
- Refutation
- R(i);
- Try
- R(N);
- Threat
- DUALS(4)
- Vars
- S(e);N_GUARD,XP(A)::R(N)+S(F)
- Refutation
- R(c);
- Try
- Actual
- S(D);
- Threat
- QAB1(C),XS(e)
- Vars
- K(g);OGATEB,S_FLIGHT,XR(G)::B(P)+R(N)
- S(e);N_GUARD,XP(A)::R(N)
- S(e);SBLOCK,XS(F)::R1(G)
- S(e);N_GUARD,XP(H)::R(N)
- S(f);SBLOCK,XR(G)::QAB1(C),XP(h)
- B(a);N_GUARD::QAB1(C),XB(a)
- S(e);N_GUARD::R(N)
- S(e);N_GUARD::R(N),XS(e)
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).