MESON Chess Problem Database
Problem Display
PID: 179039 (2R3B1/1pr5/2n5/1P2B3/3N1P2/KPk2nqQ/2P4R/5N2 w - - 0 1)
Cristoffanini, Guido
Magasinet, 1931
#2
12 + 6
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Qxh2
- 2.Qxf3#
- 1...Qh4
- 2.Sxc6#
- 2.Qxf3#
- 1...Qg4
- 2.Sxc6#
- 1...Qg5
- 2.Qxf3#
- 1...Qg6
- 2.Sxc6#
- 1...Qg7
- 2.Qxf3#
- 1...Qxg8
- 2.Sxc6#
- 2.Qxf3#
- 1...Rf7
- 2.Sxf3#
- 1...Rg7
- 2.Sxf3#
- 1...Rh7
- 2.Sxf3#
- 1...Se1
- 2.Sxc6#
- 1...Sg1
- 2.Sxc6#
- 1...Sfxd4
- 2.Qxg3#
- 1...Sh4
- 2.Sxc6#
- 1...Sg5
- 2.Sxc6#
- 1...Sb4
- 2.Sxf3#
- 1...Scxd4
- 2.Rxc7#
- 1...Sa5
- 2.Sxf3#
- 1...Sa7
- 2.Sxf3#
- 1...Se7
- 2.Sxf3#
- 1...Sb8
- 2.Sxf3#
- 1...Sd8
- 2.Sxf3#
- 1...Qxh2
- Tries
- 1.Sxf3+?
- 1...Sd4
- 2.Bxd4#
- 2.Rxc7#
- 1...Sxe5!
- 1...Sd4
- 1.Sxc6+?
- 1...Sd4
- 2.Bxd4#
- 2.Qxg3#
- 1...Sxe5!
- 1...Sd4
- 1.Rd2?
- threat
- 2.Se2#
- 2.Rd3#
- 1...Sfxd4
- 2.Qxg3#
- 1...Sfxe5
- 2.Se2#
- 1...Scxd4
- 2.Rxc7#
- 1...Scxe5
- 2.Se2#
- 1...Qg6
- 2.Se2#
- 2.Sxc6#
- 1...Se1
- 2.Se2#
- 2.Sxc6#
- 1...Sg1
- 2.Se2#
- 2.Sxc6#
- 1...Sh2
- 2.Se2#
- 2.Sxc6#
- 1...Sh4
- 2.Se2#
- 2.Sxc6#
- 1...Sg5
- 2.Se2#
- 2.Sxc6#
- 1...Sb4
- 2.Se2#
- 2.Sxf3#
- 1...Sxd2!
- threat
- 1.Qf5?
- threat
- 2.Se2#
- 2.Qd3#
- 1...Sxh2
- 2.Se2#
- 2.Sxc6#
- 1...Sfxe5
- 2.Se2#
- 1...Scxd4
- 2.Rxc7#
- 2.Qd3#
- 1...Scxe5
- 2.Se2#
- 1...Qg6
- 2.Se2#
- 1...Se1
- 2.Se2#
- 2.Sxc6#
- 1...Sg1
- 2.Se2#
- 2.Sxc6#
- 1...Sd2
- 2.Se2#
- 2.Sxc6#
- 1...Sh4
- 2.Se2#
- 2.Sxc6#
- 1...Sg5
- 2.Se2#
- 2.Sxc6#
- 1...Sb4
- 2.Se2#
- 2.Sxf3#
- 1...Sfxd4!
- threat
- 1.Qxg3?
- threat
- 2.Sxc6#
- 2.Qxf3#
- 1...Sxd4
- 2.Rxc7#
- 2.Qxf3#
- 1...Rd7
- 2.Qxf3#
- 1...Re7
- 2.Se6#
- 2.Qxf3#
- 1...Sb4
- 2.Sxf3#
- 2.Sf5#
- 2.Sc6#
- 2.Se6#
- 1...Sa5
- 2.Sxf3#
- 2.Sf5#
- 2.Sc6#
- 2.Se6#
- 2.Qxf3#
- 1...Sa7
- 2.Sxf3#
- 2.Sf5#
- 2.Sc6#
- 2.Se6#
- 2.Qxf3#
- 1...Se7
- 2.Sxf3#
- 2.Sf5#
- 2.Sc6#
- 2.Se6#
- 2.Qxf3#
- 1...Sb8
- 2.Sxf3#
- 2.Sf5#
- 2.Sc6#
- 2.Se6#
- 2.Qxf3#
- 1...Sd8
- 2.Sxf3#
- 2.Sf5#
- 2.Sc6#
- 2.Se6#
- 2.Qxf3#
- 1...Sxe5!
- threat
- 1.Sxf3+?
- Keys
- 1.Bh7!
- threat
- 2.Se2#
- 1...Rxh7
- 2.Sxf3#
- 1...Sfxd4
- 2.Qxg3#
- 1...Scxd4
- 2.Rxc7#
- 1...Qg6
- 2.Sxc6#
- threat
- 1.Bh7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 16
- Sets
- Q(c);OGATE,P_SPINS(b),XR(C)::QAR(F),XS(b)
- Q(c);P_SPINS(b)::B(J)+S(G),XS(d)
- Q(c);OGATE,P_SPINS(b)::QAR(F),XS(b)
- R(f);P_SPINS(d)::B(J)+S(G),XS(b)
- S(b);N_GUARD,P_SPINQ(c)::B(J)+S(G),XS(d)
- S(b);OGATEB,P_SPINQ(c),P_SPINS(b),XS(G)::QAR(F),XQ(c)
- S(d);N_GUARD,P_SPINR(f)::B(J)+S(G),XS(b)
- S(d);OGATEB,P_SPINR(f),P_SPINS(d),XS(G)::R(K),XR(f)
- Tries
- Try
- S(G);CHECK,XS(b)
- Refutation
- S(d);P_SPINR(f),XB(J)
- Try
- S(G);CHECK,XS(d)
- Refutation
- S(b);P_SPINQ(c),XB(J)
- Try
- R(C);
- Threat
- DUALS(2)
- Vars
- S(b);OGATEB,P_SPINQ(c),P_SPINS(b),XS(G)::QAR(F),XQ(c)
- S(b);P_SPINQ(c),XB(J)::S(G)
- S(d);OGATEB,P_SPINR(f),P_SPINS(d),XS(G)::R(K),XR(f)
- S(d);P_SPINR(f),XB(J)::S(G)
- Refutation
- S(b);P_SPINQ(c),XR(C)
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- S(b);XB(J)::S(G)
- S(d);P_SPINR(f),XB(J)::S(G)
- Q(c);::B(J)+S(G),DCHECK
- Refutation
- S(b);P_SPINS(b),XS(G)
- Try
- Q(F);P_PINS(b),XQ(c)
- Threat
- DUALS(2)
- Vars
- R(f);::QAR(F),XS(b)
- Refutation
- S(d);P_SPINR(f),XB(J)
- Try
- Actual
- B(L);
- Threat
- B(J)+S(G),DCHECK
- Vars
- R(f);P_SPINS(d),XB(L)::B(J)+S(G),XS(b)
- S(b);OGATEB,P_SPINQ(c),P_SPINS(b),XS(G)::QAR(F),XQ(c)
- S(d);OGATEB,P_SPINR(f),P_SPINS(d),XS(G)::R(K),XR(f)
- Q(c);P_SPINS(b)::B(J)+S(G),XS(d)
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).