MESON Chess Problem Database
Problem Display
PID: 150009 (r1B1R2r/p2p3b/1PPkPP2/BPpNpP2/5n1Q/4N3/8/3K4 w - - 0 1)
Agapov, Igor Alexeyevich
SuperProblem 084. TT, 2013
#2
13 + 9
| 15148 | Sadier Collection | 2014 |
SOLUTION
- SOUND
- Sets
- 1...Sxd5
- 2.Sc4#
- 1...c4
- 2.Bb4#
- 1...e4
- 2.Qxf4#
- 1...Sxd5
- Tries
- 1.Sc3?
- threat
- 2.Se4#
- 2.Sc4#
- 1...Bxf5
- 2.Sc4#
- 2.Sxf5#
- 1...c4
- 2.Se4#
- 2.Bb4#
- 1...e4
- 2.Sc4#
- 2.Qxf4#
- 1...axb6!
- threat
- 1.Sxf4?
- threat
- 2.Sc4#
- 1...exf4
- 2.Qxf4#
- 1...c4
- 2.Bb4#
- 1...axb6!
- threat
- 1.Sc7?
- threat
- 2.Sc4#
- 1...c4
- 2.Bb4#
- 1...axb6!
- threat
- 1.Se7?
- threat
- 2.Sc4#
- 1...Bxf5
- 2.S7xf5#
- 1...c4
- 2.Bb4#
- 1...axb6!
- threat
- 1.b7?
- threat
- 2.Bc7#
- 1...Rxc8
- 2.bxc8S#
- 1...Sxd5
- 2.Sc4#
- 1...c4
- 2.Bb4#
- 1...Sxe6!
- threat
- 1.exd7?
- threat
- 2.d8Q#
- 2.d8R#
- 1...Rxc8
- 2.dxc8S#
- 1...Rxe8
- 2.dxe8S#
- 1...Sxd5
- 2.Sc4#
- 2.Re6#
- 2.d8Q#
- 2.d8R#
- 1...axb6
- 2.d8Q#
- 2.d8R#
- 1...c4
- 2.Bb4#
- 1...Rb8
- 2.d8Q#
- 2.d8R#
- 1...Rf8
- 2.d8Q#
- 2.d8R#
- 1...Rg8
- 2.d8Q#
- 2.d8R#
- 1...Bg6
- 2.d8Q#
- 2.d8R#
- 1...Bg8
- 2.d8Q#
- 2.d8R#
- 1...Se2
- 2.Re6#
- 2.d8Q#
- 2.d8R#
- 1...Sg2
- 2.Re6#
- 2.d8Q#
- 2.d8R#
- 1...Sd3
- 2.Re6#
- 2.d8Q#
- 2.d8R#
- 1...Sh3
- 2.Re6#
- 2.d8Q#
- 2.d8R#
- 1...Sh5
- 2.Re6#
- 2.d8Q#
- 2.d8R#
- 1...Se6
- 2.Rxe6#
- 1...Sg6
- 2.Re6#
- 2.d8Q#
- 2.d8R#
- 1...e4
- 2.Qxf4#
- 2.d8Q#
- 2.d8R#
- 1...a6
- 2.d8Q#
- 2.d8R#
- 1...Bxf5!
- threat
- 1.f7?
- threat
- 2.Qe7#
- 1...Rxe8
- 2.fxe8S#
- 1...Sxd5
- 2.Sc4#
- 1...e4
- 2.Qxf4#
- 1...Sg6!
- threat
- 1.Sc3?
- Keys
- 1.cxd7!
- threat
- 2.d8Q#
- 2.d8R#
- 1...Rxc8
- 2.dxc8S#
- 1...Rxe8
- 2.dxe8S#
- 1...Bxf5
- 2.d8Q#
- 2.d8R#
- 1...Sxd5
- 2.Sc4#
- 2.d8Q#
- 2.d8R#
- 1...Sxe6
- 2.Rxe6#
- 1...axb6
- 2.d8Q#
- 2.d8R#
- 1...c4
- 2.Bb4#
- 1...e4
- 2.Qxf4#
- 1...Rb8
- 2.d8Q#
- 2.d8R#
- 1...Rf8
- 2.d8Q#
- 2.d8R#
- 1...Rg8
- 2.d8Q#
- 2.d8R#
- 1...Bg6
- 2.d8Q#
- 2.d8R#
- 1...Bg8
- 2.d8Q#
- 2.d8R#
- 1...Se2
- 2.d8Q#
- 2.d8R#
- 1...Sg2
- 2.d8Q#
- 2.d8R#
- 1...Sd3
- 2.d8Q#
- 2.d8R#
- 1...Sh3
- 2.d8Q#
- 2.d8R#
- 1...Sh5
- 2.d8Q#
- 2.d8R#
- 1...Sg6
- 2.d8Q#
- 2.d8R#
- 1...a6
- 2.d8Q#
- 2.d8R#
- threat
- 1.cxd7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- S(a);SBLOCK,XS(F)::S(B)
- P(b);OGATEB::B(D)
- P(c);OGATEB::QAB(C),XS(a)
- Tries
- Try
- S(F);
- Threat
- DUALS(2)
- Refutation
- P(e);XP(H)
- Try
- S(F);XS(a)
- Threat
- S(B)
- Vars
- P(c);OGATE,XS(F)::QAB(C),XP(c)
- P(b);OGATEB::B(D)
- Refutation
- P(e);XP(H)
- Try
- S(F);
- Threat
- S(B)
- Vars
- P(b);OGATEB::B(D)
- Refutation
- P(e);XP(H)
- Try
- S(F);
- Threat
- S(B)
- Vars
- B(g);XP(G)::S(F),XB(g)
- P(b);OGATEB::B(D)
- Refutation
- P(e);XP(H)
- Try
- P(H);
- Threat
- B(D)
- Vars
- R(h);OGATE,XB(L)::PXR(h)=S
- S(a);SBLOCK,XS(F)::S(B)
- P(b);OGATEB::B(D)
- Refutation
- S(a);XP(J)
- Try
- P(J);XP(f)
- Threat
- P=Q
- Vars
- R(h);OGATE,XB(L)::PXR(h)=S
- R(i);OGATE,XR(M)::PXR(i)=S
- P(e);XP(H)::P=Q
- P(b);OGATEB::B(D)
- R(h);::P=Q
- R(i);::P=Q
- B(g);::P=Q
- S(a);N_GUARD::R1(M),XS(a)
- P(e);::P=Q
- Refutation
- B(g);XP(G)
- Try
- P(K);
- Threat
- QAB1(C)
- Vars
- R(i);OGATE,XR(M)::PXR(i)=S
- S(a);SBLOCK,XS(F)::S(B)
- P(c);OGATEB::QAB(C),XS(a)
- Refutation
- S(a);
- Try
- Actual
- P(I);XP(f)
- Threat
- P=Q
- Vars
- R(h);OGATE,XB(L)::PXR(h)=S
- R(i);OGATE,XR(M)::PXR(i)=S
- B(g);XP(G)::P=Q
- S(a);OGATE,XP(J)::R1(M),XS(a)
- P(e);XP(H)::P=Q
- P(b);OGATEB::B(D)
- P(c);OGATEB::QAB(C),XS(a)
- R(h);::P=Q
- R(i);::P=Q
- B(g);::P=Q
- S(a);::P=Q
- P(e);::P=Q
Developed and maintained by Brian Stephenson.
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