MESON Chess Problem Database
Problem Display
PID: 137851 (5BK1/1B1P4/Q1NNp3/1npk2p1/Rq6/1nP2P2/1P6/8 w - - 0 1)
Subotic, Miroslav
The Problemist, 2010
#2
11 + 7
SOLUTION
- SOUND
- Sets
- 1...Qa3
- 2.c4#
- 1...Qa5
- 2.c4#
- 1...Qe4
- 2.fxe4#
- 1...e5
- 2.Sd4#
- 2.Sd8#
- 1...Qa3
- Tries
- 1.Sc4?
- threat
- 2.Se3#
- 2.Sb6#
- 2.S6a5#
- 2.S6e5#
- 1...Kxc4
- 2.Se5#
- 1...Qxc3
- 2.Sb6#
- 1...Sxc3
- 2.Se3#
- 2.d8Q#
- 2.d8R#
- 1...e5
- 2.S6a5#
- 2.S6xe5#
- 1...Qa5
- 2.Se3#
- 2.Sd4#
- 2.S6xa5#
- 2.S6e5#
- 2.Sa7#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 1...S3d4
- 2.Se3#
- 2.Sb6#
- 1...Sa5
- 2.Se3#
- 2.Sb6#
- 2.S6xa5#
- 1...Sa3
- 2.Se3#
- 2.Sxb4#
- 2.Se7#
- 2.d8Q#
- 2.d8R#
- 1...S5d4
- 2.Se3#
- 2.Sxb4#
- 2.Se7#
- 2.d8Q#
- 2.d8R#
- 1...Sd6
- 2.Se3#
- 2.Sxb4#
- 2.Se7#
- 1...Sa7
- 2.Se3#
- 2.Sxb4#
- 2.Se7#
- 2.d8Q#
- 2.d8R#
- 1...Sc7
- 2.Se3#
- 2.Sxb4#
- 2.Se7#
- 2.d8Q#
- 2.d8R#
- 1...Qxc4!
- threat
- 1.Sxb5?
- threat
- 2.Sc7#
- 1...Kc4
- 2.Sc7#
- 2.Se5#
- 1...Qxb5
- 2.d8Q#
- 2.d8R#
- 1...Qa5
- 2.c4#
- 1...Qf4!
- threat
- 1.Sf7?
- threat
- 2.Sa5#
- 2.Sce5#
- 1...Kc4
- 2.Sce5#
- 1...Sxc3
- 2.d8Q#
- 2.d8R#
- 1...e5
- 2.Sa5#
- 2.Scxe5#
- 1...Qa5
- 2.Sd4#
- 2.Sxa5#
- 2.Sce5#
- 2.Sa7#
- 2.Se7#
- 2.Sb8#
- 2.Scd8#
- 2.c4#
- 1...Sa5
- 2.Sxa5#
- 1...Sa3
- 2.Sxb4#
- 2.Se7#
- 2.d8Q#
- 2.d8R#
- 1...S5d4
- 2.Sxb4#
- 2.Se7#
- 2.d8Q#
- 2.d8R#
- 1...Sd6
- 2.Sxb4#
- 2.Se7#
- 1...Sa7
- 2.Sxb4#
- 2.Se7#
- 2.d8Q#
- 2.d8R#
- 1...Sc7
- 2.Sxb4#
- 2.Se7#
- 2.d8Q#
- 2.d8R#
- 1...S3d4!
- threat
- 1.Bg7?
- threat
- 2.Sxb4#
- 2.Sd4#
- 2.Sa5#
- 2.Se5#
- 2.Sa7#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 1...Kxd6
- 2.d8Q#
- 1...Qxc3
- 2.Sb4#
- 2.Sd4#
- 2.Sa5#
- 2.Se5#
- 2.Sa7#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 1...Qxa4
- 2.Sb4#
- 2.Sd4#
- 2.Sa5#
- 2.Se5#
- 2.Sa7#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 1...Sxc3
- 2.Sxb4#
- 2.Se7#
- 1...Sxd6
- 2.Sxb4#
- 2.Se7#
- 1...e5
- 2.Sd4#
- 2.Sd8#
- 1...Qa3
- 2.Sb4#
- 2.Sd4#
- 2.Sa5#
- 2.Se5#
- 2.Sa7#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 1...Qa5
- 2.Sb4#
- 2.Sd4#
- 2.Sxa5#
- 2.Se5#
- 2.Sa7#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 1...Qc4
- 2.Sb4#
- 2.Sd4#
- 2.Sa5#
- 2.Se5#
- 2.Sa7#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 1...Qd4
- 2.Sb4#
- 2.Sxd4#
- 2.Sa5#
- 2.Se5#
- 2.Sa7#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 1...Qe4
- 2.Sb4#
- 2.Sd4#
- 2.Sa5#
- 2.Se5#
- 2.Sa7#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 1...Qf4
- 2.Sb4#
- 2.Sd4#
- 2.Sa5#
- 2.Se5#
- 2.Sa7#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 1...Qg4
- 2.Sb4#
- 2.Sd4#
- 2.Sa5#
- 2.Se5#
- 2.Sa7#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 1...Qh4
- 2.Sb4#
- 2.Sd4#
- 2.Sa5#
- 2.Se5#
- 2.Sa7#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 1...S3d4
- 2.Sxb4#
- 2.Sxd4#
- 2.Se7#
- 1...Sa5
- 2.Sxb4#
- 2.Sxa5#
- 2.Se7#
- 1...Sa3
- 2.Sxb4#
- 2.Se7#
- 1...S5d4
- 2.Sxb4#
- 2.Se7#
- 1...Sa7
- 2.Sxb4#
- 2.Se7#
- 1...Sc7
- 2.Sxb4#
- 2.Se7#
- 1...c4!
- threat
- 1.Sc4?
- Keys
- 1.Sc8!
- threat
- 2.Sb6#
- 1...Kc4
- 2.Se5#
- 1...Sxc3
- 2.d8Q#
- 2.d8R#
- 1...e5
- 2.Sa5#
- 1...Qa5
- 2.c4#
- 1...Sa3
- 2.d8Q#
- 2.d8R#
- 1...S5d4
- 2.d8Q#
- 2.d8R#
- 1...Sd6
- 2.S8e7#
- 1...Sa7
- 2.d8Q#
- 2.d8R#
- 1...Sc7
- 2.d8Q#
- 2.d8R#
- threat
- 1.Sc8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 2
- Sets
- Q(b);N_GUARD::P(B)
- Q(b);OGATE::P(C),XQ(b)
- Tries
- Try
- S(G);
- Threat
- DUALS(4)
- Vars
- K(e);P_SPINQ(b),P_SPINS(c),S_FLIGHT,XS(G)::S(F)
- Q(b);XP(B)::S(G)
- Refutation
- Q(b);XS(G)
- Try
- S(G);XS(c)
- Threat
- S(G)
- Vars
- Q(b);XS(G)::P=Q
- Q(b);N_GUARD::P(B)
- Refutation
- Q(b);
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- K(e);P_SPINQ(b),P_SPINS(c),S_FLIGHT::S(F)
- S(c);N_GUARD,XP(B)::P=Q
- S(a);::B(H)+S(F),XS(a)
- Refutation
- S(a);
- Try
- B(J);
- Threat
- DUALS(8)
- Vars
- K(e);P-FLIGHT,XS(G)::P=Q
- Refutation
- P(d);
- Try
- Actual
- S(G);
- Threat
- S(G)
- Vars
- K(e);P_SPINQ(b),P_SPINS(c),S_FLIGHT::S(F)
- S(c);N_GUARD,XP(B)::P=Q
- P(g);SBLOCK::B(H)+S(F)
- Q(b);N_GUARD::P(B)
- S(c);N_GUARD::P=Q
- S(c);SBLOCK::S(G)
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