MESON Chess Problem Database
Problem Display
PID: 270283 (5n2/1Npp4/K2QP3/p1Bpr3/3rk1BR/5pPP/1b1PP3/1N2R3 w - - 0 1)
Simoni, Francesco
Schach-Aktiv, 2003
#2
13 + 10
| 15601 | Albrecht-Leiss-Degener Collection | 2023 |
SOLUTION
- SOUND
- Sets
- 1...Rxd2
- 2.Sxd2#
- 1...Rd3
- 2.exf3#
- 1...Ra4
- 2.d3#
- 1...Rb4
- 2.d3#
- 1...Rc4
- 2.d3#
- 1...Rf5
- 2.Bxf3#
- 1...Rg5
- 2.Qf4#
- 1...Rh5
- 2.Qf4#
- 1...Rxe6
- 2.Bxe6#
- 1...Bc1
- 2.Sc3#
- 1...Ba3
- 2.Sc3#
- 1...Bc3
- 2.Sxc3#
- 1...Sxe6
- 2.Bxe6#
- 1...cxd6
- 2.Sxd6#
- 1...dxe6
- 2.Bxe6#
- 1...Rxd2
- Tries
- 1.Bb6?
- threat
- 2.Sc5#
- 1...Rxd2
- 2.Sxd2#
- 1...Sxe6
- 2.Bxe6#
- 1...cxd6
- 2.Sxd6#
- 1...Rd3
- 2.exf3#
- 1...Ra4
- 2.d3#
- 1...Rb4
- 2.d3#
- 1...Rc4
- 2.d3#
- 1...Ba3
- 2.Sc3#
- 1...c5
- 2.Sxc5#
- 1...cxb6!
- threat
- 1.Rh5?
- threat
- 2.Bxf3#
- 2.Rxe5#
- 2.Qxe5#
- 1...Rxd2
- 2.Sxd2#
- 2.Bxf3#
- 1...Rxh5
- 2.Qf4#
- 1...Rxe6
- 2.Bxf3#
- 2.Bf5#
- 1...cxd6
- 2.Sxd6#
- 2.Bxf3#
- 1...Rd3
- 2.exf3#
- 1...Ra4
- 2.Bxf3#
- 2.d3#
- 1...Rb4
- 2.Bxf3#
- 2.d3#
- 1...Rc4
- 2.Bxf3#
- 2.d3#
- 1...Rf5
- 2.Bxf5#
- 1...Rg5
- 2.Qf4#
- 1...Sg6
- 2.Bxf3#
- 1...f2
- 2.Bf3#
- 2.Rxe5#
- 2.Qxe5#
- 1...fxe2!
- threat
- 1.Qxc7?
- threat
- 2.Sd6#
- 1...Rxe6+
- 2.Bxe6#
- 1...Rf5
- 2.Bxf3#
- 1...Rg5
- 2.Qf4#
- 1...Rh5
- 2.Qf4#
- 1...d6
- 2.Sxd6#
- 1...fxe2!
- threat
- 1.Qxf8?
- threat
- 2.Bxf3#
- 2.Bf5#
- 2.Bh5#
- 2.Qxf3#
- 2.Qf4#
- 1...fxe2
- 2.Bxe2#
- 2.Qf3#
- 1...Rf5
- 2.Qxf5#
- 1...Rg5
- 2.Qf4#
- 1...Rh5
- 2.Qf4#
- 1...Rd3
- 2.Bxf3#
- 2.Bf5#
- 2.Bh5#
- 2.Qf4#
- 2.exf3#
- 1...f2
- 2.Bf3#
- 2.Bf5#
- 2.Bh5#
- 2.Qf3#
- 2.Qf4#
- 1...Rxe6+!
- threat
- 1.d3+?
- 1...Rxd3
- 2.exf3#
- 1...Ke3!
- 1...Rxd3
- 1.Bb6?
- Keys
- 1.Ba7!
- threat
- 2.Sc5#
- 1...Rxd2
- 2.Sxd2#
- 1...Sxe6
- 2.Bxe6#
- 1...cxd6
- 2.Sxd6#
- 1...Rd3
- 2.exf3#
- 1...Ra4
- 2.d3#
- 1...Rb4
- 2.d3#
- 1...Rc4
- 2.d3#
- 1...Ba3
- 2.Sc3#
- 1...c5
- 2.Sxc5#
- threat
- 1.Ba7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 7
- Sets
- R(c);XP(C)::S(A),XR(c)
- R(c);SBLOCK::R(B)+P(D)DCHECK,XP(b)
- R(c);N_GUARD::P(C)
- R(g);SBLOCK::R(H)+B(G),DCHECK,XP(b)
- R(g);OGATE::QAR1(K)
- R(g);OGATE,P_PINQ(K),XP(L)::R(H)+B(G),XR(g)
- B(a);N_GUARD::S(A)
- B(a);N_GUARD::S(A),XB(a)
- S(j);OGATE,XP(L)::R(H)+B(G),XS(j)
- P(h);XQ(K)::S(M),XP(h)
- P(i);OGATE,XP(L)::R(H)+B(G),XP(i)
- Tries
- Try
- B(I);
- Threat
- S(M)
- Vars
- R(c);XP(C)::S(A),XR(c)
- S(j);OGATE,XP(L)::R(H)+B(G),XS(j)
- P(h);XQ(K)::S(M),XP(h)
- R(c);SBLOCK::R(B)+P(D)DCHECK,XP(b)
- R(c);N_GUARD::P(C)
- B(a);N_GUARD::S(A)
- P(h);::S(M),XP(h)
- Refutation
- P(h);XB(I)
- Try
- R(H);
- Threat
- DUALS(3)
- Vars
- R(g);OGATE,XR(H)::QAR1(K)
- R(c);SBLOCK::R(B)+P(D)DCHECK,XP(b)
- R(g);N_GUARD::B(G),XR(g)
- R(g);OGATE::QAR1(K)
- S(j);::B(G),XP(b)
- Refutation
- P(b);P_SPINP(b),XP(D)
- Try
- Q(K);XP(h)
- Threat
- S(M)
- Vars
- R(g);CHECK,OGATE,XP(L)::R(H)+B(G),XR(g)
- R(g);SBLOCK::R(H)+B(G),DCHECK,XP(b)
- R(g);OGATE::QAR1(K)
- P(i);::S(M),XP(i)
- Refutation
- P(b);P_SPINP(b),XP(D)
- Try
- Q(K);XS(j)
- Threat
- DUALS(5)
- Vars
- R(g);N_GUARD::QAB1(K),XR(g)
- R(g);::QAR1(K)
- Refutation
- R(g);CHECK,XP(L)
- Try
- P(C);CHECK
- Vars
- R(c);SBLOCK,XP(C)::R(B)+P(D)DCHECK,XP(b)
- Refutation
- K(d);P-FLIGHT,P_SPINR(c)
- Try
- Actual
- B(I);
- Threat
- S(M)
- Vars
- R(c);XP(C)::S(A),XR(c)
- S(j);OGATE,XP(L)::R(H)+B(G),XS(j)
- P(h);XQ(K)::S(M),XP(h)
- R(c);SBLOCK::R(B)+P(D)DCHECK,XP(b)
- R(c);N_GUARD::P(C)
- B(a);N_GUARD::S(A)
- P(h);::S(M),XP(h)
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