MESON Chess Problem Database
Problem Display
PID: 58178 (7K/p2n4/3R2N1/5kBQ/5nNP/r4qpP/b3PR2/7B w - - 0 1)
Fasano, Alessandro
Torre & Cavallo - Scacco!, 2001
#2
11 + 8
SOLUTION
- SOUND
- Sets
- 1...Qxh1
- 2.Rxf4#
- 1...Qxe2
- 2.Sh6#
- 2.Bxf4#
- 2.Bf6#
- 2.Bh6#
- 2.Be7#
- 2.Bd8#
- 2.Rxf4#
- 1...Qg2
- 2.Rxf4#
- 1...Qe4
- 2.Sh6#
- 2.Bxf4#
- 2.Bf6#
- 2.Bh6#
- 2.Be7#
- 2.Bd8#
- 1...Qxg4
- 2.Qxg4#
- 2.e4#
- 2.hxg4#
- 1...Qd5
- 2.Sh6#
- 2.Se7#
- 2.Bxf4#
- 2.Bf6#
- 2.Bh6#
- 2.Be7#
- 2.Bd8#
- 2.Rxf4#
- 1...Qc6
- 2.Sh6#
- 2.Se7#
- 2.Bxf4#
- 2.Bf6#
- 2.Bh6#
- 2.Be7#
- 2.Bd8#
- 2.Rxf4#
- 1...Qb7
- 2.Sh6#
- 2.Se7#
- 2.Bxf4#
- 2.Bf6#
- 2.Bh6#
- 2.Be7#
- 2.Bd8#
- 2.Rxf4#
- 1...Qa8+
- 2.Bd8#
- 1...Qxf2
- 2.Sh6#
- 2.Se7#
- 2.Bxf4#
- 2.e4#
- 1...Qb3
- 2.Sh6#
- 2.Se7#
- 2.Bxf4#
- 2.Bf6#
- 2.Bh6#
- 2.Be7#
- 2.Bd8#
- 2.Rxf4#
- 2.e4#
- 1...Qc3+
- 2.Bf6#
- 1...Qd3
- 2.Sh6#
- 2.Se7#
- 2.Bxf4#
- 2.Bf6#
- 2.Bh6#
- 2.Be7#
- 2.Bd8#
- 2.Rxf4#
- 1...Qe3
- 2.Sh6#
- 2.Bxf4#
- 2.Bf6#
- 2.Bh6#
- 2.Be7#
- 2.Bd8#
- 1...Sxg6+
- 2.Qxg6#
- 1...Qxh1
- Tries
- 1.Se3+?
- 1...Ke4
- 2.Qxf3#
- 1...Qxe3
- 2.Bxf4#
- 2.Bf6#
- 2.Bh6#
- 2.Be7#
- 2.Bd8#
- 2.Qg4#
- 1...Rxe3!
- 1...Ke4
- 1.Bxf3?
- threat
- 2.Sh6#
- 2.Se7#
- 2.Bxf4#
- 2.e4#
- 1...Sxg6+
- 2.Qxg6#
- 1...Sxe2
- 2.Sh6#
- 2.Se7#
- 2.Bc1#
- 2.Bd2#
- 2.Be3#
- 2.Bf4#
- 2.Bf6#
- 2.Bh6#
- 2.Be7#
- 2.Bd8#
- 1...Sxh3
- 2.Sh6#
- 2.Se7#
- 2.e4#
- 1...Sxh5
- 2.Sh6#
- 2.Se7#
- 2.e4#
- 1...Re3
- 2.Sxe3#
- 2.Sh6#
- 2.Bxf4#
- 1...Ra4
- 2.Se3#
- 2.Sh6#
- 2.Se7#
- 2.Bxf4#
- 1...Bb1
- 2.Sh6#
- 2.Se7#
- 2.Bxf4#
- 1...Bd5
- 2.Sh6#
- 2.Se7#
- 2.Bxf4#
- 1...Sg2
- 2.Sh6#
- 2.Se7#
- 2.Bc1#
- 2.Bd2#
- 2.Be3#
- 2.Bf4#
- 2.Bf6#
- 2.Bh6#
- 2.Be7#
- 2.Bd8#
- 2.e4#
- 1...Sd3
- 2.Se3#
- 2.Sh6#
- 2.Se7#
- 2.Bc1#
- 2.Bd2#
- 2.Be3#
- 2.Bf4#
- 2.Bf6#
- 2.Bh6#
- 2.Be7#
- 2.Bd8#
- 2.e4#
- 1...Sd5
- 2.Sh6#
- 2.Bc1#
- 2.Bd2#
- 2.Be3#
- 2.Bf4#
- 2.Bf6#
- 2.Bh6#
- 2.Be7#
- 2.Bd8#
- 2.e4#
- 1...Se6
- 2.Sh6#
- 2.Se7#
- 2.e4#
- 1...Sc5
- 2.Sh6#
- 2.Se7#
- 2.Bxf4#
- 2.Rf6#
- 1...Sf6
- 2.Sh6#
- 2.Se7#
- 2.Rxf6#
- 1...Rxf3!
- threat
- 1.Bf6+?
- 1...Ke4
- 2.Rd4#
- 1...Sxh5!
- 1...Ke4
- 1.exf3?
- threat
- 2.Sh6#
- 2.Se7#
- 2.Bxf4#
- 1...Sxg6+
- 2.Qxg6#
- 1...Sxh3
- 2.Sh6#
- 2.Se7#
- 1...Sxh5
- 2.Sh6#
- 2.Se7#
- 1...Re3
- 2.Sxe3#
- 2.Sh6#
- 2.Bxf4#
- 1...Se2
- 2.Sh6#
- 2.Se7#
- 2.Bc1#
- 2.Bd2#
- 2.Be3#
- 2.Bf4#
- 2.Bf6#
- 2.Bh6#
- 2.Be7#
- 2.Bd8#
- 1...Sg2
- 2.Sh6#
- 2.Se7#
- 2.Bc1#
- 2.Bd2#
- 2.Be3#
- 2.Bf4#
- 2.Bf6#
- 2.Bh6#
- 2.Be7#
- 2.Bd8#
- 1...Sd3
- 2.Se3#
- 2.Sh6#
- 2.Se7#
- 2.Bc1#
- 2.Bd2#
- 2.Be3#
- 2.Bf4#
- 2.Bf6#
- 2.Bh6#
- 2.Be7#
- 2.Bd8#
- 1...Sd5
- 2.Sh6#
- 2.Bc1#
- 2.Bd2#
- 2.Be3#
- 2.Bf4#
- 2.Bf6#
- 2.Bh6#
- 2.Be7#
- 2.Bd8#
- 1...Se6
- 2.Sh6#
- 2.Se7#
- 1...Sf6
- 2.Sh6#
- 2.Se7#
- 2.Rxf6#
- 1...Rxf3!
- threat
- 1.e4+?
- 1...Qxe4
- 2.Sh6#
- 2.Bxf4#
- 2.Bf6#
- 2.Bh6#
- 2.Be7#
- 2.Bd8#
- 1...Kxe4!
- 1...Qxe4
- 1.Se3+?
- Keys
- 1.Qh7!
- threat
- 2.Sxf4#
- 2.Se7#
- 1...Qa8+
- 2.Sf8#
- 1...Qc3+
- 2.S6e5#
- 1...Sxg6+
- 2.Qxg6#
- 1...Ke4
- 2.Sxf4#
- 1...Qxg4
- 2.e4#
- 1...Sxe2
- 2.Sf4#
- 2.S6e5#
- 2.Se7#
- 2.Sf8#
- 1...Sxh3
- 2.S6e5#
- 1...Bf7
- 2.Se7#
- 1...Bg8
- 2.Se7#
- 1...Sg2
- 2.Sf4#
- 2.S6e5#
- 2.Se7#
- 2.Sf8#
- 1...Sd3
- 2.Sf4#
- 2.S6e5#
- 2.Se7#
- 2.Sf8#
- 1...Sd5
- 2.Sf4#
- 2.S6e5#
- 2.Se7#
- 2.Sf8#
- 1...Sh5
- 2.Sf4#
- 2.S6e5#
- 2.Se7#
- 2.Sf8#
- 1...Se6
- 2.Sf4#
- 2.S6e5#
- 2.Se7#
- 2.Sf8#
- 1...Se5
- 2.Se7#
- 1...Sf6
- 2.Se7#
- 1...Sf8
- 2.Se7#
- threat
- 1.Qh7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 8
- REMOVED MATES = 2
- Sets
- Q(c);OGATE,P_SPINS(e),XB(A)::R1(C),XS(e)
- Q(c);OGATE,P_SPINS(e)::R1(C),XS(e)
- Q(c);CHECK,P_SPINS(e)::QAR(H)+B(G)
- S(e);CHECK,OGATE,P_SPINQ(c),XS(J)::QAB1(H),XS(e)
- Tries
- Try
- S(E);CHECK
- Vars
- K(f);P_SPINQ(c),S_FLIGHT::QAB1(H),XQ(c)
- Refutation
- R(b);XS(E)
- Try
- B(A);XQ(c)
- Threat
- DUALS(4)
- Vars
- S(e);CHECK,OGATE,XS(J)::QAB1(H),XS(e)
- Refutation
- R(b);XB(A)
- Try
- B(G);CHECK
- Vars
- K(f);P_SPINQ(c),S_FLIGHT::R1(I)
- Refutation
- S(e);P_SPINQ(c),XQ(H)
- Try
- P(B);XQ(c)
- Threat
- DUALS(3)
- Vars
- S(e);CHECK,OGATE,XS(J)::QAB1(H),XS(e)
- Refutation
- R(b);XP(B)
- Try
- P(B);CHECK
- Refutation
- K(f);P_SPINQ(c),S_FLIGHT,XP(B)
- Try
- Actual
- Q(H);
- Threat
- DUALS(2)
- Vars
- Q(c);CHECK,P_SPINS(e)::QAB(H)+S(J)
- S(e);CHECK,OGATE,P_SPINQ(c),P_SPINS(e),XS(J)::QAB1(H),XS(e)
- K(f);P_SPINQ(c),S_FLIGHT::QAB(H)+S(J),XS(e)
- Q(c);N_GUARD,P_SPINS(e),XS(E)::P(B)
- S(e);N_GUARD,P_SPINQ(c),XP(D)::QAB(H)+S(J)
- B(a);::QAB(H)+S(J),DCHECK
- S(h);::QAB(H)+S(J),DCHECK
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