MESON Chess Problem Database
Problem Display
PID: 278005 (Nn1N2bQ/1q6/2P1r3/2PkPR2/2pP1K2/2rpPR2/n7/B7 w - - 0 1)
Maleika, Gerhard
Comm., Pat a Mat, 2015
#2
12 + 9
| 15601 | Albrecht-Leiss-Degener Collection | 2024 |
SOLUTION
- SOUND
- Sets
- 1...Qa6
- 2.Sc7#
- 1...Qc8
- 2.Sb6#
- 1...Qb1
- 2.Sc7#
- 1...Qb2
- 2.Sc7#
- 1...Qb3
- 2.Sc7#
- 1...Qb4
- 2.Sc7#
- 1...Qb5
- 2.Sc7#
- 1...Qb6
- 2.Sxb6#
- 1...Qc7
- 2.Sxc7#
- 1...Qd7
- 2.Sb6#
- 1...Qe7
- 2.Sb6#
- 1...Qf7
- 2.Sb6#
- 1...Qg7
- 2.Sb6#
- 1...Qh7
- 2.Sb6#
- 1...Rc1
- 2.e4#
- 1...Rc2
- 2.e4#
- 1...Ra3
- 2.e4#
- 1...Rb3
- 2.e4#
- 1...Rxe5
- 2.Rxe5#
- 2.Qxe5#
- 1...Rxc6
- 2.e6#
- 1...Rd6
- 2.exd6#
- 2.e6#
- 1...Rf6
- 2.exf6#
- 1...Rg6
- 2.e6#
- 1...Rh6
- 2.e6#
- 1...Re7
- 2.e6#
- 1...Re8
- 2.e6#
- 1...Qa6
- Tries
- 1.Rf1?
- threat
- 2.Qh1#
- 1...Qb2
- 2.Sc7#
- 1...Qg7
- 2.Sb6#
- 1...Qh7
- 2.Sb6#
- 1...Rc2
- 2.e4#
- 1...Rg6
- 2.e6#
- 1...Rh6
- 2.e6#
- 1...Bh7!
- threat
- 1.Rf2?
- threat
- 2.Qh1#
- 1...Qb1
- 2.Sc7#
- 1...Qg7
- 2.Sb6#
- 1...Qh7
- 2.Sb6#
- 1...Rc1
- 2.e4#
- 1...Rg6
- 2.e6#
- 1...Rh6
- 2.e6#
- 1...Bh7!
- threat
- 1.Rg3?
- threat
- 2.Qh1#
- 1...Qb1
- 2.Sc7#
- 1...Qb2
- 2.Sc7#
- 1...Qh7
- 2.Sb6#
- 1...Rc1
- 2.e4#
- 1...Rc2
- 2.e4#
- 1...Rh6
- 2.e6#
- 1...Bh7!
- threat
- 1.Qxg8?
- threat
- 2.Qxe6#
- 1...Qc8
- 2.Sb6#
- 1...Qd7
- 2.Sb6#
- 1...Qe7
- 2.Sb6#
- 1...Qf7
- 2.Sb6#
- 1...Qxc6!
- threat
- 1.cxb7?
- threat
- 2.Sc7#
- 1...Rc6
- 2.e6#
- 1...Re7
- 2.Sb6#
- 2.e6#
- 1...Sa6!
- threat
- 1.Rf1?
- Keys
- 1.Qh1!
- threat
- 2.Rf1#
- 2.Rf2#
- 2.Rg3#
- 2.Rh3#
- 1...Qb1
- 2.Sc7#
- 2.Rf1#
- 1...Qb2
- 2.Sc7#
- 2.Rf2#
- 1...Qg7
- 2.Sb6#
- 2.Rg3#
- 1...Qh7
- 2.Sb6#
- 2.Rh3#
- 1...Rc1
- 2.Rf1#
- 2.e4#
- 1...Rc2
- 2.Rf2#
- 2.e4#
- 1...Rg6
- 2.Rg3#
- 2.e6#
- 1...Rh6
- 2.Rh3#
- 2.e6#
- threat
- 1.Qh1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 24
- Sets
- Q(g);N_GUARD::S(J)
- Q(g);N_GUARD::S(J),XQ(g)
- Q(g);N_GUARD,P_PINP(G)::S(J),XQ(g)
- Q(g);N_GUARD,P_PINR(H)::S(J)
- R(b);::P(B)
- R(f);OGATE,XP(I)::R(H)+P(G)
- R(f);OGATE,P_PINR(H)::R(H)+P(G),XR(f)
- R(f);OGATE::R(H)+P(G)
- Tries
- Try
- R(C);
- Threat
- QAB(L)
- Vars
- Q(g);N_GUARD::S(J)
- R(b);::P(B)
- R(f);OGATE::R(H)+P(G)
- Refutation
- B(i);
- Try
- R(C);
- Threat
- QAB(L)
- Vars
- Q(g);N_GUARD::S(J)
- R(b);::P(B)
- R(f);OGATE::R(H)+P(G)
- Refutation
- B(i);
- Try
- R(C);
- Threat
- QAB(L)
- Vars
- Q(g);N_GUARD::S(J)
- R(b);::P(B)
- R(f);OGATE::R(H)+P(G)
- Refutation
- B(i);
- Try
- Q(L);P_PINR(f),XB(i)
- Threat
- QAB1(L),XR(f)
- Vars
- Q(g);N_GUARD::S(J)
- Q(g);N_GUARD,N_SPINR(f),P_PINR(H)::S(J)
- Refutation
- Q(g);XP(I)
- Try
- P(I);XQ(g)
- Threat
- S(J)
- Vars
- R(f);OGATE::R(H)+P(G)
- Refutation
- S(h);
- Try
- Actual
- Q(L);
- Threat
- DUALS(4)
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).