MESON Chess Problem Database
Problem Display
PID: 151836 (8/2pQK3/2p5/8/2BBkPRN/1n2p3/1p2b3/1q2R3 w - - 0 1)
Guida, Marco
The Problemist, 2013
#2
8 + 8
SOLUTION
- SOUND
- Sets
- 1...Bd1
- 2.Rxe3#
- 1...Bf1
- 2.Rxe3#
- 2.f5#
- 1...Bd3
- 2.Rxe3#
- 2.f5#
- 1...Bf3
- 2.Rxe3#
- 1...Bxc4
- 2.Rxe3#
- 1...c5
- 2.Qd5#
- 1...Bd1
- Tries
- 1.Sf3?
- threat
- 2.Sg5#
- 1...Bxf3
- 2.Rxe3#
- 1...Bxc4
- 2.Rxe3#
- 1...Kxf3!
- threat
- 1.Bc3?
- threat
- 2.Qf5#
- 2.Qxc6#
- 2.Qe6#
- 1...Bxc4
- 2.Qf5#
- 2.f5#
- 1...Qd3
- 2.Qf5#
- 2.Qe6#
- 1...Qd1
- 2.Qf5#
- 2.Qe6#
- 1...Sd4
- 2.Qxd4#
- 1...Sa5
- 2.Qf5#
- 2.Qe6#
- 2.Qd4#
- 1...Sc5
- 2.Qf5#
- 2.Qxc6#
- 2.Qd4#
- 1...c5
- 2.Qf5#
- 2.Qc6#
- 2.Qe6#
- 2.Qd5#
- 1...Bxg4!
- threat
- 1.Be5?
- threat
- 2.Qf5#
- 2.Qxc6#
- 1...Bxg4
- 2.Qxc6#
- 1...Qd3
- 2.Qf5#
- 1...Qd1
- 2.Qf5#
- 1...Sd4
- 2.Qxd4#
- 1...Sa5
- 2.Qf5#
- 2.Qd4#
- 1...c5
- 2.Qf5#
- 2.Qc6#
- 2.Qd5#
- 1...Bxc4!
- threat
- 1.Bf6?
- threat
- 2.Qf5#
- 2.Qxc6#
- 2.Qe6#
- 1...Bxc4
- 2.Qf5#
- 2.f5#
- 1...Qd3
- 2.Qf5#
- 2.Qe6#
- 1...Qd1
- 2.Qf5#
- 2.Qe6#
- 1...Sd4
- 2.Qxd4#
- 1...Sa5
- 2.Qf5#
- 2.Qe6#
- 2.Qd4#
- 1...Sc5
- 2.Qf5#
- 2.Qxc6#
- 2.Qd4#
- 1...c5
- 2.Qf5#
- 2.Qc6#
- 2.Qe6#
- 2.Qd5#
- 1...Bxg4!
- threat
- 1.Bg7?
- threat
- 2.Qf5#
- 2.Qxc6#
- 2.Qe6#
- 1...Bxc4
- 2.Qf5#
- 2.f5#
- 1...Qd3
- 2.Qf5#
- 2.Qe6#
- 1...Qd1
- 2.Qf5#
- 2.Qe6#
- 1...Sd4
- 2.Qxd4#
- 1...Sa5
- 2.Qf5#
- 2.Qe6#
- 2.Qd4#
- 1...Sc5
- 2.Qf5#
- 2.Qxc6#
- 2.Qd4#
- 1...c5
- 2.Qf5#
- 2.Qc6#
- 2.Qe6#
- 2.Qd5#
- 1...Bxg4!
- threat
- 1.Bh8?
- threat
- 2.Qf5#
- 2.Qxc6#
- 2.Qe6#
- 1...Bxc4
- 2.Qf5#
- 2.f5#
- 1...Qd3
- 2.Qf5#
- 2.Qe6#
- 1...Qd1
- 2.Qf5#
- 2.Qe6#
- 1...Sd4
- 2.Qxd4#
- 1...Sa5
- 2.Qf5#
- 2.Qe6#
- 2.Qd4#
- 1...Sc5
- 2.Qf5#
- 2.Qxc6#
- 2.Qd4#
- 1...c5
- 2.Qf5#
- 2.Qc6#
- 2.Qe6#
- 2.Qd5#
- 1...Bxg4!
- threat
- 1.Qd6?
- threat
- 2.Qe5#
- 1...Bxc4
- 2.Rxe3#
- 1...cxd6!
- threat
- 1.Sf3?
- Keys
- 1.Bxe3!
- threat
- 2.Qe6#
- 1...Kxe3
- 2.Rxe2#
- 1...Bxc4
- 2.Qf5#
- 1...Bxg4
- 2.Qxc6#
- 1...Sd4
- 2.Qxd4#
- 1...Sc5
- 2.Qd4#
- threat
- 1.Bxe3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 4
- REMOVED MATES = 3
- Sets
- B(c);OGATE,P_SPINP(e)::R1(A),XP(e)
- B(c);OGATE,P_SPINP(e),XB(B)::R1(A),XP(e)
- P(g);N_GUARD::QAB1(G)
- Tries
- Try
- S(F);
- Threat
- S(F)
- Vars
- B(c);OGATE,P_SPINP(e),XS(F)::R1(A),XP(e)
- B(c);OGATE,P_SPINP(e),XB(B)::R1(A),XP(e)
- Refutation
- K(f);S_FLIGHT,XS(F)
- Try
- B(C);
- Threat
- DUALS(3)
- Vars
- S(d);N_GUARD::QAR1(G),XS(d)
- Refutation
- B(c);P_SPINP(e),XR(E)
- Try
- B(C);
- Threat
- DUALS(2)
- Vars
- B(c);P_SPINP(e),XR(E)::QAB(G),XP(g)
- Q(a);::QAB1(G)
- S(d);N_GUARD::QAR1(G),XS(d)
- Refutation
- B(c);P_SPINP(e),XB(B)
- Try
- B(C);
- Threat
- DUALS(3)
- Vars
- S(d);N_GUARD::QAR1(G),XS(d)
- Refutation
- B(c);P_SPINP(e),XR(E)
- Try
- B(C);
- Threat
- DUALS(3)
- Vars
- S(d);N_GUARD::QAR1(G),XS(d)
- Refutation
- B(c);P_SPINP(e),XR(E)
- Try
- B(C);
- Threat
- DUALS(3)
- Vars
- S(d);N_GUARD::QAR1(G),XS(d)
- Refutation
- B(c);P_SPINP(e),XR(E)
- Try
- Q(G);
- Threat
- QAR1(G)
- Vars
- B(c);OGATE,P_SPINP(e),XB(B)::R1(A),XP(e)
- Refutation
- P(h);XQ(G)
- Try
- Actual
- B(C);XP(e)
- Threat
- QAR2(G)
- Vars
- K(f);OGATEB,P-FLIGHT,P_SPINB(c),XB(C)::R1(A),XB(c)
- B(c);XB(B)::QAB1(G)
- B(c);XR(E)::QAB(G),XP(g)
- S(d);N_GUARD::QAR1(G),XS(d)
- S(d);N_GUARD::QAR1(G)
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