MESON Chess Problem Database
Problem Display
PID: 153538 (8/1pP2Pp1/3N1b1r/nQpk4/n2NR1P1/3p4/7B/1b4KB w - - 0 1)
Sparke, Arthur M
1st HM., Good Companions (March), 1916
#2
10 + 10
SOLUTION
- SOUND
- Sets
- 1...Bxd4+
- 2.Re3#
- 1...Sb3
- 2.Qc4#
- 2.Qxb7#
- 1...Sc4
- 2.Qxc4#
- 2.Qxb7#
- 1...Sc6
- 2.Qc4#
- 1...Bxd4+
- Tries
- 1.S4f5?
- threat
- 2.Se3#
- 2.Re1#
- 2.Re2#
- 2.Re3#
- 2.Re5#
- 2.Re7#
- 2.Re8#
- 1...Bd4+
- 2.Re3#
- 1...Be5
- 2.Rxe5#
- 1...Rh3
- 2.Re5#
- 1...Bg5
- 2.Re1#
- 2.Re2#
- 2.Re3#
- 2.Re5#
- 2.Re7#
- 2.Re8#
- 1...Be7
- 2.Se3#
- 2.Sxe7#
- 2.Re1#
- 2.Re2#
- 2.Re3#
- 2.Re5#
- 2.Rxe7#
- 1...Sc3
- 2.Se3#
- 2.Re5#
- 1...Sc4
- 2.Re1#
- 2.Re2#
- 2.Re3#
- 2.Re5#
- 2.Re7#
- 2.Re8#
- 2.Qxb7#
- 1...d2
- 2.Se3#
- 2.Re5#
- 1...Rxh2!
- threat
- 1.S6f5?
- threat
- 2.Se3#
- 2.Re1#
- 2.Re2#
- 2.Re3#
- 2.Re5#
- 2.Re6#
- 2.Re7#
- 2.Re8#
- 1...Bxd4+
- 2.Re3#
- 1...Rh3
- 2.Re5#
- 1...Be5
- 2.Re1#
- 2.Re2#
- 2.Re3#
- 2.Rf4#
- 2.Rxe5#
- 1...Bg5
- 2.Re1#
- 2.Re2#
- 2.Re3#
- 2.Re5#
- 2.Re6#
- 2.Re7#
- 2.Re8#
- 1...Be7
- 2.Se3#
- 2.Sxe7#
- 2.Re1#
- 2.Re2#
- 2.Re3#
- 2.Re5#
- 2.Re6#
- 2.Rxe7#
- 1...Sc3
- 2.Se3#
- 2.Re5#
- 1...Sc4
- 2.Re1#
- 2.Re2#
- 2.Re3#
- 2.Re5#
- 2.Re6#
- 2.Re7#
- 2.Re8#
- 2.Qxb7#
- 1...d2
- 2.Se3#
- 2.Re5#
- 1...Rxh2!
- threat
- 1.Re5+?
- 1...Kxd6
- 2.Re6#
- 1...Kxd4!
- 1...Kxd6
- 1.Qxb7+?
- 1...Sc6
- 2.Qxc6#
- 1...Sxb7!
- 1...Sc6
- 1.c8Q?
- threat
- 2.Qe6#
- 1...Bxd4+
- 2.Re3#
- 1...Bh4
- 2.Qf5#
- 1...Bg5
- 2.Qf5#
- 1...Be7
- 2.Qf5#
- 1...Bd8
- 2.Qf5#
- 1...Be5!
- threat
- 1.f8Q?
- threat
- 2.Qf7#
- 2.Qg8#
- 1...Bxd4+
- 2.Re3#
- 1...Rh8
- 2.Qf7#
- 1...Bh4
- 2.Qf5#
- 1...Be5
- 2.Rf4#
- 1...Bg5
- 2.Qf5#
- 1...Be7
- 2.Qf5#
- 1...Bd8
- 2.Qf5#
- 1...Rxh2!
- threat
- 1.S4f5?
- Keys
- 1.Qd7!
- threat
- 2.Qe6#
- 1...Bxd4+
- 2.Re3#
- 1...cxd4
- 2.Re5#
- 1...c4
- 2.Sxb7#
- 1...Bh4
- 2.Qf5#
- 1...Be5
- 2.Rf4#
- 1...Bg5
- 2.Qf5#
- 1...Be7
- 2.Qf5#
- 1...Bd8
- 2.Qf5#
- threat
- 1.Qd7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 1
- Sets
- B(g);CHECK,SBLOCK,XS(D)::B(B)+R(E)
- S(d);N_GUARD::QAB1(G)
- Tries
- Try
- S(D);
- Threat
- DUALS(7)
- Vars
- B(g);CHECK::B(B)+R(E)
- B(g);::B(B)+R(E),DCHECK,XB(g)
- R(h);::B(B)+R(E),DCHECK
- Refutation
- R(h);XB(C)
- Try
- S(H);
- Threat
- DUALS(8)
- Vars
- B(g);CHECK,XS(D)::B(B)+R(E)
- R(h);::B(B)+R(E),DCHECK
- Refutation
- R(h);XB(C)
- Try
- R(E);CHECK
- Vars
- K(f);N_SPINP(e),P-FLIGHT,XS(H)::B(C)+R(E),DCHECK
- Refutation
- K(f);N_SPINP(e),P-FLIGHT,XS(D)
- Try
- Q(G);CHECK,N_PINP(e),XP(i)
- Vars
- S(d);N_GUARD,P_SPINS(d)::QAB1(G),XS(d)
- Refutation
- S(d);XQ(G)
- Try
- P(I);
- Threat
- QAB1(I)
- Vars
- B(g);CHECK,SBLOCK,XS(D)::B(B)+R(E)
- B(g);N_GUARD::QAR2(I)
- Refutation
- B(g);
- Try
- P(J);
- Threat
- DUALS(2)
- Vars
- B(g);CHECK,SBLOCK,XS(D)::B(B)+R(E)
- R(h);::QAB(J)
- B(g);OGATE::QAR2(J)
- B(g);SBLOCK::B(B)+R(E)
- Refutation
- R(h);XB(C)
- Try
- Actual
- Q(G);N_PINP(e)
- Threat
- QAB1(G)
- Vars
- B(g);CHECK,SBLOCK,XS(D)::B(B)+R(E)
- P(e);SBLOCK,XS(D)::B(B)+R(E),DCHECK
- P(e);SBLOCK::QAR(G)+S(H),XP(i)
- B(g);N_GUARD::QAR2(G)
- B(g);SBLOCK::B(B)+R(E)
Developed and maintained by Brian Stephenson.
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