MESON Chess Problem Database
Problem Display
PID: 138024 (2BRb1n1/p1Q1pP2/1R1p2P1/1P2kNbP/1p2P3/5p1K/3n1N2/3r2B1 w - - 0 1)
Carraro, Andrea
L'Italia Scacchistica, 1976
#2
13 + 11
| 14744 | Nuova Antologia dei Problemisti Italiani | 1992 |
SOLUTION
- SOUND
- Sets
- 1...Kf4
- 2.Bh2#
- 1...Kf6
- 2.Sg4#
- 1...Bf6
- 2.Bh2#
- 1...Kf4
- Tries
- 1.Sd3+?
- 1...Kf6
- 2.e5#
- 2.fxe8S#
- 2.fxg8S#
- 1...Kxe4!
- 1...Kf6
- 1.Bh2+?
- 1...Kf6
- 2.Sg4#
- 2.e5#
- 2.fxe8S#
- 2.fxg8S#
- 1...Bf4!
- 1...Kf6
- 1.Rbxd6?
- threat
- 2.Ra6#
- 2.Rb6#
- 2.Rc6#
- 2.Re6#
- 1...Kf4
- 2.Bh2#
- 2.Re6#
- 1...exd6
- 2.Qxd6#
- 1...e6
- 2.Rxe6#
- 1...Rc1
- 2.Rc6#
- 2.Re6#
- 1...Bc6
- 2.Rxc6#
- 2.Re6#
- 1...Bd7
- 2.Ra6#
- 2.Rb6#
- 2.Rc6#
- 1...Sb1
- 2.Re6#
- 1...Sf1
- 2.Re6#
- 1...Sb3
- 2.Re6#
- 1...Sc4
- 2.Re6#
- 1...a6
- 2.Rxa6#
- 2.Rb6#
- 2.Rc6#
- 2.Re6#
- 1...Sxe4!
- threat
- 1.Rdxd6?
- threat
- 2.Rxd2#
- 2.Rd3#
- 2.Rd4#
- 2.Rd5#
- 2.Rdc6#
- 2.Re6#
- 2.Rf6#
- 2.Rd7#
- 2.Rd8#
- 1...Kf4
- 2.Bh2#
- 2.Re6#
- 1...axb6
- 2.Rxb6#
- 2.Rc6#
- 2.Re6#
- 1...exd6
- 2.Qxd6#
- 1...e6
- 2.Rxe6#
- 1...Rc1
- 2.Rd5#
- 2.Rdc6#
- 2.Re6#
- 1...Bf6
- 2.Bh2#
- 2.Rxd2#
- 2.Rd3#
- 2.Rd4#
- 2.Rd5#
- 2.Rdc6#
- 2.Re6#
- 2.Rxf6#
- 2.Rd7#
- 2.Rd8#
- 1...Bc6
- 2.Rdxc6#
- 2.Re6#
- 1...Bd7
- 2.Rxd2#
- 2.Rd3#
- 2.Rd4#
- 2.Rd5#
- 2.Rdc6#
- 2.Re6#
- 2.Rf6#
- 2.Rxd7#
- 1...Sb1
- 2.Rxd1#
- 2.Rd2#
- 2.Rd3#
- 2.Rd4#
- 2.Rd5#
- 2.Re6#
- 1...Sf1
- 2.Rxd1#
- 2.Rd2#
- 2.Rd3#
- 2.Rd4#
- 2.Rd5#
- 2.Re6#
- 1...Sb3
- 2.Rxd1#
- 2.Rd2#
- 2.Rd3#
- 2.Rd4#
- 2.Rd5#
- 2.Re6#
- 1...Sc4
- 2.Rd5#
- 2.Re6#
- 1...Sf6
- 2.Rxd2#
- 2.Rd3#
- 2.Rd4#
- 2.Rd5#
- 2.Rdc6#
- 2.Re6#
- 2.Rxf6#
- 2.Rd7#
- 2.Rd8#
- 1...Sxe4!
- threat
- 1.Qc3+?
- 1...Kf4
- 2.Bh2#
- 1...bxc3!
- 1...Kf4
- 1.Qc5+?
- 1...Kf4
- 2.Bh2#
- 1...Kf6
- 2.Sg4#
- 2.e5#
- 2.fxe8S#
- 2.fxg8S#
- 1...d5
- 2.Qc7#
- 1...dxc5!
- 1...Kf4
- 1.Sd3+?
- Keys
- 1.Sxd6!
- threat
- 2.Sc4#
- 2.Sf5#
- 2.Sb7#
- 2.Sxe8#
- 1...Bd7+
- 2.Sf5#
- 1...Kd4
- 2.Sf5#
- 1...Kf4
- 2.Sd3#
- 1...Kf6
- 2.Sxe8#
- 1...Bxb5
- 2.Sc4#
- 2.Sxb5#
- 2.Sf5#
- 2.Sb7#
- 2.Se8#
- 1...Bxf7
- 2.Sc4#
- 2.Sf5#
- 2.Sb7#
- 2.Sxf7#
- 2.Se8#
- 1...Sxe4
- 2.Sc4#
- 1...axb6
- 2.Sxe8#
- 1...exd6
- 2.Qxd6#
- 1...Rc1
- 2.Sc4#
- 1...Bc6
- 2.Se8#
- 1...Sb1
- 2.Sc4#
- 1...Sf1
- 2.Sc4#
- 1...Sb3
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...e6
- 2.Sxe8#
- threat
- 1.Sxd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 12
- REMOVED MATES = 1
- Sets
- K(e);S_FLIGHT::B(A)
- K(e);S_FLIGHT::S(B)
- B(f);N_GUARD,SBLOCK::B(A)
- Tries
- Try
- S(B);CHECK
- Refutation
- K(e);N_SPINP(g),P-FLIGHT,XP(D)
- Try
- B(A);CHECK
- Refutation
- B(f);P_SPINB(f)
- Try
- R(H);XP(g)
- Threat
- DUALS(4)
- Vars
- P(i);OGATE,P_SPINP(i),XR(H)::QAB1(J),XP(i)
- P(i);::QAB(J)+R(H),DCHECK,XP(i)
- S(b);::QAB(J)+R(H),DCHECK
- Refutation
- S(b);XP(D)
- Try
- R(M);XP(g)
- Threat
- DUALS(9)
- Vars
- P(i);OGATE,P_SPINP(i),XR(M)::QAB1(J),XP(i)
- P(i);::QAB(J)+R(M),DCHECK,XP(i)
- Refutation
- S(b);XP(D)
- Try
- Q(J);CHECK,N_PINP(g)
- Vars
- K(e);S_FLIGHT::B(A)
- Refutation
- P(d);XQ(J)
- Try
- Q(J);CHECK,N_PINP(g)
- Vars
- K(e);S_FLIGHT::B(A)
- P(g);OGATEB,P_SPINP(g)::QAB(J)
- Refutation
- P(g);XQ(J)
- Try
- Actual
- S(F);XP(g)
- Threat
- DUALS(4)
- Vars
- B(j);CHECK::QAB(J)+S(F)
- K(e);S_FLIGHT::R(M)+S(F),DCHECK
- K(e);S_FLIGHT::S(B)
- K(e);S_FLIGHT::R(H)+S(F),DCHECK,XB(j)
- S(b);XP(D)::QAB(J)+S(F),DCHECK
- P(h);XR(H)::QAB(J)+S(F),XB(j)
- P(i);OGATE,P_SPINP(i),XS(F)::QAB1(J),XP(i)
- R(a);::QAB(J)+S(F),DCHECK
- B(j);::QAB(J)+S(F)
- S(b);::QAB(J)+S(F),DCHECK
- S(b);::QAB(J)+S(F),DCHECK,XS(b)
- P(i);::QAB(J)+S(F),XB(j)
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