MESON Chess Problem Database
Problem Display
PID: 87484 (1QrR1Rr1/2P3PP/4p3/1pp1k1pp/PP5P/1NKB1p2/1BPN1P2/n3b3 w - - 0 1)
Dobrila, Arsen
The Problemist, 1992
#2
16 + 11
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rxc7
- 2.Qxc7#
- 1...Rxb8
- 2.cxb8Q#
- 2.cxb8B#
- 1...Rxd8
- 2.cxd8Q#
- 2.cxd8R#
- 1...Rh8
- 2.gxh8Q#
- 2.gxh8B#
- 1...Bxd2+
- 2.Kxd2#
- 1...Bxf2
- 2.Sxf3#
- 1...Sxc2
- 2.Kxc2#
- 1...Sxb3
- 2.Kxb3#
- 1...bxa4
- 2.Kc4#
- 1...cxb4+
- 2.Kxb4#
- 1...c4
- 2.Qxb5#
- 1...Rxc7
- Tries
- 1.Sxa1?
- threat
- 2.Kb3#
- 1...Bxd2+
- 2.Kxd2#
- 1...Rxd8
- 2.cxd8Q#
- 2.cxd8R#
- 1...Bxf2
- 2.Sxf3#
- 1...bxa4
- 2.Kc4#
- 1...c4
- 2.Qxb5#
- 1...Rxf8!
- threat
- 1.Sa5?
- threat
- 2.Sc6#
- 1...Bxd2+
- 2.Kxd2#
- 1...cxb4+
- 2.Kxb4#
- 1...Rxd8
- 2.cxd8Q#
- 2.cxd8R#
- 1...Rxf8!
- threat
- 1.Bg6?
- threat
- 2.Kd3#
- 1...Bxd2+
- 2.Kxd2#
- 1...Rxd8
- 2.cxd8Q#
- 2.cxd8R#
- 1...Bxf2
- 2.Sxf3#
- 1...Sxc2
- 2.Kxc2#
- 1...Sxb3
- 2.Kxb3#
- 1...c4
- 2.Qxb5#
- 1...Rxf8!
- threat
- 1.axb5?
- threat
- 2.Kc4#
- 1...Bxd2+
- 2.Kxd2#
- 1...Rxd8
- 2.cxd8Q#
- 2.cxd8R#
- 1...Bxf2
- 2.Sxf3#
- 2.Sc4#
- 1...Sxc2
- 2.Kxc2#
- 1...Sxb3
- 2.Kxb3#
- 1...c4
- 2.Kxc4#
- 1...Rxf8!
- threat
- 1.bxc5?
- threat
- 2.Kb4#
- 1...Bxd2+
- 2.Kxd2#
- 1...b4+
- 2.Kxb4#
- 2.Kc4#
- 1...Rxd8
- 2.cxd8Q#
- 2.cxd8R#
- 1...Bxf2
- 2.Sxf3#
- 1...Sxc2
- 2.Kxc2#
- 1...Sxb3
- 2.Kxb3#
- 1...Rxf8!
- threat
- 1.Sxa1?
- Keys
- 1.h8Q!
- 1...Bxd2+
- 2.Kxd2#
- 1...cxb4+
- 2.Kxb4#
- 1...Rxc7
- 2.Qxc7#
- 1...Rxb8
- 2.cxb8Q#
- 2.cxb8B#
- 1...Rxd8
- 2.cxd8Q#
- 2.cxd8R#
- 1...Rxg7
- 2.Qxg7#
- 1...Rxf8
- 2.gxf8Q#
- 2.gxf8R#
- 1...Rxh8
- 2.gxh8Q#
- 2.gxh8B#
- 1...Bxf2
- 2.Sxf3#
- 1...Sxc2
- 2.Kxc2#
- 1...Sxb3
- 2.Kxb3#
- 1...bxa4
- 2.Kc4#
- 1...gxh4
- 2.Qxh5#
- 1...g4
- 2.Qxh5#
- 1...c4
- 2.Qxb5#
- 1...Bxd2+
- 1.h8Q!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- R(j);OGATE,P_SPINR(j),XP(K)::QAB(N),XR(j)
- R(j);OGATE,XQ(N)::PXR(j)=Q
- R(j);OGATE,XR(O)::PXR(j)=Q
- R(k);OGATE::PXR(k)=Q
- B(b);CHECK,XS(C)::B(A)+K(F),XB(b)
- B(b);N_PINS(C),XP(D)::S(C),XP(c)
- S(a);XP(B)::B(A)+K(F),XS(a)
- S(a);XS(E)::B(A)+K(F),XS(a)
- P(d);XP(H)::B(A)+K(F)
- P(e);CHECK,P_PINP(K),XP(I)::B(A)+K(F),XP(e)
- P(e);OGATEB::QAR(N),XP(d)
- Tries
- Try
- S(E);XS(a)
- Threat
- B(A)+K(F)
- Vars
- B(b);CHECK,XS(C)::B(A)+K(F),XB(b)
- R(j);OGATE,XR(O)::PXR(j)=Q
- B(b);N_PINS(C),XP(D)::S(C),XP(c)
- P(d);XP(H)::B(A)+K(F)
- P(e);OGATEB::QAR(N),XP(d)
- Refutation
- R(k);XR(P)
- Try
- S(E);
- Threat
- S(E)
- Vars
- B(b);CHECK,XS(C)::B(A)+K(F),XB(b)
- P(e);CHECK,P_PINP(K),XP(I)::B(A)+K(F),XP(e)
- R(j);OGATE,XR(O)::PXR(j)=Q
- Refutation
- R(k);XR(P)
- Try
- B(G);
- Threat
- B(A)+K(F)
- Vars
- B(b);CHECK,XS(C)::B(A)+K(F),XB(b)
- R(j);OGATE,XR(O)::PXR(j)=Q
- B(b);N_PINS(C),XP(D)::S(C),XP(c)
- S(a);XP(B)::B(A)+K(F),XS(a)
- S(a);XS(E)::B(A)+K(F),XS(a)
- P(e);OGATEB::QAR(N),XP(d)
- Refutation
- R(k);XR(P)
- Try
- P(H);XP(d)
- Threat
- B(A)+K(F)
- Vars
- B(b);CHECK,XS(C)::B(A)+K(F),XB(b)
- R(j);OGATE,XR(O)::PXR(j)=Q
- S(a);XP(B)::B(A)+K(F),XS(a)
- S(a);XS(E)::B(A)+K(F),XS(a)
- P(e);::B(A)+K(F),XP(e)
- Refutation
- R(k);XR(P)
- Try
- P(I);XP(e)
- Threat
- B(A)+K(F)
- Vars
- B(b);CHECK,XS(C)::B(A)+K(F),XB(b)
- R(j);OGATE,XR(O)::PXR(j)=Q
- B(b);N_PINS(C),XP(D)::S(C),XP(c)
- S(a);XP(B)::B(A)+K(F),XS(a)
- S(a);XS(E)::B(A)+K(F),XS(a)
- Refutation
- R(k);XR(P)
- Try
- Actual
- P(M);
- Vars
- B(b);CHECK,XS(C)::B(A)+K(F),XB(b)
- P(e);CHECK,P_PINP(K),XP(I)::B(A)+K(F),XP(e)
- R(j);OGATE,P_SPINR(j),XP(K)::QAB(N),XR(j)
- R(j);OGATE,XQ(N)::PXR(j)=Q
- R(j);OGATE,XR(O)::PXR(j)=Q
- R(k);OGATE,P_SPINR(k),XP(L)::QAB(M),XR(k)
- R(k);OGATE,XR(P)::PXR(k)=Q
- R(k);OGATE,XQ(M)::PXR(k)=Q
- B(b);N_PINS(C),XP(D)::S(C),XP(c)
- S(a);XP(B)::B(A)+K(F),XS(a)
- S(a);XS(E)::B(A)+K(F),XS(a)
- P(d);XP(H)::B(A)+K(F)
- P(g);OGATEB,XP(J)::QAR(M),XP(h)
- P(g);OGATEB::QAR(M),XP(h)
- P(e);OGATEB::QAR(N),XP(d)
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