MESON Chess Problem Database
Problem Display
PID: 173930 (4RN2/2p2P2/1pPkp3/1P1pp1p1/1KP1P2b/2pRN2b/8/1n1r4 w - - 0 1)
Dolginovich, Nikolai Osipovich
Comm., Boletim da UBP, 1984-1985
#2
10 + 12
| 1077 | Boletim da UBP | 1988 |
SOLUTION
- SOUND
- Sets
- 1...Bf1
- 2.Rxe6#
- 1...Bg2
- 2.Rxe6#
- 1...g4
- 2.Rxe6#
- 1...Bf1
- Tries
- 1.Sxd5?
- threat
- 2.Rd8#
- 1...g4
- 2.Rxe6#
- 1...exd5!
- threat
- 1.Sf5+?
- 1...exf5
- 2.Re6#
- 1...Bxf5!
- 1...exf5
- 1.Sg6?
- threat
- 2.Rd8#
- 2.f8Q#
- 2.f8B#
- 1...Rxd3
- 2.Rd8#
- 2.f8Q#
- 2.f8B#
- 1...Rc1
- 2.Rd8#
- 2.f8Q#
- 2.f8B#
- 1...Re1
- 2.Rd8#
- 2.f8Q#
- 2.f8B#
- 1...Rf1
- 2.Rd8#
- 1...Rg1
- 2.Rd8#
- 2.f8Q#
- 2.f8B#
- 1...Rh1
- 2.Rd8#
- 2.f8Q#
- 2.f8B#
- 1...Rd2
- 2.Rd8#
- 2.f8Q#
- 2.f8B#
- 1...Bf1
- 2.Rd8#
- 2.f8Q#
- 2.f8B#
- 1...Bg2
- 2.Rd8#
- 2.f8Q#
- 2.f8B#
- 1...Bg4
- 2.Rd8#
- 2.f8Q#
- 2.f8B#
- 1...Bf5
- 2.Rd8#
- 2.f8Q#
- 2.f8B#
- 1...Be1
- 2.Rd8#
- 2.f8Q#
- 2.f8B#
- 1...Bf2
- 2.Rd8#
- 2.f8Q#
- 2.f8B#
- 1...Bg3
- 2.Rd8#
- 2.f8Q#
- 2.f8B#
- 1...Sd2
- 2.Rd8#
- 2.f8Q#
- 2.f8B#
- 1...Sa3
- 2.Rd8#
- 2.f8Q#
- 2.f8B#
- 1...c2
- 2.Rd8#
- 2.f8Q#
- 2.f8B#
- 1...d4
- 2.Rd8#
- 2.f8Q#
- 2.f8B#
- 1...g4!
- threat
- 1.cxd5?
- threat
- 2.Sc4#
- 1...Sd2
- 2.dxe6#
- 1...Sa3!
- threat
- 1.Sxd5?
- Keys
- 1.Sxe6!
- threat
- 2.f8Q#
- 2.f8B#
- 1...Rxd3
- 2.f8Q#
- 2.f8B#
- 1...Bxe6
- 2.f8Q#
- 2.f8B#
- 1...Rc1
- 2.Rxd5#
- 2.f8Q#
- 2.f8B#
- 1...Re1
- 2.Rxd5#
- 2.f8Q#
- 2.f8B#
- 1...Rf1
- 2.Rxd5#
- 1...Rg1
- 2.Rxd5#
- 2.f8Q#
- 2.f8B#
- 1...Rh1
- 2.Rxd5#
- 2.f8Q#
- 2.f8B#
- 1...Rd2
- 2.f8Q#
- 2.f8B#
- 1...Bf1
- 2.Sf5#
- 2.f8Q#
- 2.f8B#
- 1...Bg2
- 2.Sf5#
- 2.f8Q#
- 2.f8B#
- 1...Bg4
- 2.f8Q#
- 2.f8B#
- 1...Bf5
- 2.Sxf5#
- 2.f8Q#
- 2.f8B#
- 1...Be1
- 2.f8Q#
- 2.f8B#
- 1...Bf2
- 2.f8Q#
- 2.f8B#
- 1...Bg3
- 2.f8Q#
- 2.f8B#
- 1...Sd2
- 2.Rxd5#
- 2.f8Q#
- 2.f8B#
- 1...Sa3
- 2.f8Q#
- 2.f8B#
- 1...c2
- 2.f8Q#
- 2.f8B#
- 1...d4
- 2.f8Q#
- 2.f8B#
- 1...g4
- 2.Sf5#
- threat
- 1.Sxe6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 2
- Sets
- B(d);N_GUARD::R1(I),XP(k)
- P(h);S_CUTB(d)::R1(I),XP(k)
- Tries
- Try
- S(B);XP(f)
- Threat
- R(I)
- Vars
- P(h);S_CUTB(d)::R1(I),XP(k)
- Refutation
- P(k);P_SPINP(k),XS(B)
- Try
- S(B);CHECK
- Vars
- P(k);XS(B)::R1(I)
- Refutation
- B(d);XS(B)
- Try
- S(J);
- Threat
- DUALS(3)
- Vars
- R(b);::R(I)
- Refutation
- P(h);
- Try
- P(D);XP(f)
- Threat
- S(B)
- Vars
- S(a);S_CUTR(b)::R(A)+P(D),XP(k)
- Refutation
- S(a);
- Try
- Actual
- S(J);XP(k)
- Threat
- P=Q
- Vars
- R(b);N_SPINP(f),XR(A)::P=Q
- B(d);XS(J)::P=Q
- R(b);N_GUARD::R1(A),XP(f)
- R(b);::P=Q
- B(d);::P=Q
- B(e);::P=Q
- S(a);::P=Q
- P(c);::P=Q
- P(f);::P=Q
- P(h);S_CUTB(d)::S(B)
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