MESON Chess Problem Database
Problem Display
PID: 68833 (4k1K1/1pBp2pB/bP1P1p1b/RQpN2r1/6p1/4N1P1/8/8 w - - 0 1)
Gavriliv, Evgeni M
Zalokotsky, Roman Fedorovich (aka Fedorovich, Roman)
4th Prize, Seneca MT, 1978
#2
10 + 10
| 14475 | Mat Plus Review | 2007 |
SOLUTION
- SOUND
- Sets
- 1...Rxd5
- 2.Bg6#
- 1...Re5
- 2.Bg6#
- 1...Rf5
- 2.Bg6#
- 1...Rh5
- 2.Bg6#
- 1...Rg6
- 2.Bxg6#
- 1...Bxb5
- 2.Ra8#
- 1...g6
- 2.Sxf6#
- 1...Rxd5
- Tries
- 1.Sc4?
- 1...Rxd5
- 2.Bg6#
- 1...Bxb5
- 2.Ra8#
- 1...Re5
- 2.Bg6#
- 1...Rf5
- 2.Bg6#
- 1...Rh5
- 2.Bg6#
- 1...Rg6
- 2.Bxg6#
- 1...g6
- 2.Sxf6#
- 1...f5!
- 1...Rxd5
- 1.Sf5?
- 1...Rxf5
- 2.Bg6#
- 1...Bxb5
- 2.Ra8#
- 1...Rh5
- 2.Bg6#
- 1...Rg6
- 2.Bxg6#
- 1...g6
- 2.Sxf6#
- 1...c4!
- 1...Rxf5
- 1.Bf5?
- threat
- 2.Bxd7#
- 2.Qxd7#
- 1...Bxb5
- 2.Ra8#
- 1...Rxf5!
- threat
- 1.Qc4?
- 1...Rxd5
- 2.Bg6#
- 1...Bxc4
- 2.Ra8#
- 1...Re5
- 2.Bg6#
- 1...Rf5
- 2.Bg6#
- 1...Rh5
- 2.Bg6#
- 1...Rg6
- 2.Bxg6#
- 2.Qe4#
- 1...Bb5
- 2.Ra8#
- 1...g6
- 2.Sxf6#
- 1...f5!
- 1...Rxd5
- 1.Qb2?
- 1...Rxd5
- 2.Bg6#
- 1...f5
- 2.Qe5#
- 1...Re5
- 2.Bg6#
- 1...Rf5
- 2.Bg6#
- 1...Rh5
- 2.Bg6#
- 1...Rg6
- 2.Bxg6#
- 1...Bf1
- 2.Ra8#
- 1...Be2
- 2.Ra8#
- 1...Bd3
- 2.Ra8#
- 1...Bc4
- 2.Ra8#
- 1...Bb5
- 2.Ra8#
- 1...g6
- 2.Sxf6#
- 1...c4!
- 1...Rxd5
- 1.Qxc5?
- 1...Rxd5
- 2.Bg6#
- 1...Re5
- 2.Bg6#
- 1...Rf5
- 2.Bg6#
- 1...Rh5
- 2.Bg6#
- 1...Rg6
- 2.Bxg6#
- 1...Bf1
- 2.Ra8#
- 1...Be2
- 2.Ra8#
- 1...Bd3
- 2.Ra8#
- 1...Bc4
- 2.Ra8#
- 1...Bb5
- 2.Ra8#
- 1...g6
- 2.Sxf6#
- 1...f5!
- 1...Rxd5
- 1.Sc4?
- Keys
- 1.Qe2!
- 1...Rxd5
- 2.Bg6#
- 1...Bxe2
- 2.Ra8#
- 1...f5
- 2.Sc4#
- 1...Re5
- 2.Bg6#
- 1...Rf5
- 2.Bg6#
- 1...Rh5
- 2.Bg6#
- 1...Rg6
- 2.Bxg6#
- 1...Bd3
- 2.Ra8#
- 1...Bc4
- 2.Ra8#
- 1...Bb5
- 2.Ra8#
- 1...c4
- 2.Sf5#
- 1...g6
- 2.Sxf6#
- 1...Rxd5
- 1.Qe2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- R(c);N_GUARD,XS(E)::B(I)
- R(c);N_GUARD::B(I)
- R(c);N_GUARD::B(I),XR(c)
- B(d);N_SPINP(h),OGATE,XQ(D)::R(C)
- P(i);N_GUARD::S(E),XP(e)
- Tries
- Try
- S(A);
- Vars
- R(c);N_GUARD,XS(E)::B(I)
- B(d);N_SPINP(h),OGATE,XQ(D)::R(C)
- R(c);N_GUARD::B(I)
- R(c);N_GUARD::B(I),XR(c)
- P(i);N_GUARD::S(E),XP(e)
- Refutation
- P(e);
- Try
- S(A);
- Vars
- R(c);N_GUARD,XS(A)::B(I)
- B(d);N_SPINP(h),OGATE,XQ(D)::R(C)
- R(c);N_GUARD::B(I)
- R(c);N_GUARD::B(I),XR(c)
- P(i);N_GUARD::S(E),XP(e)
- Refutation
- P(b);
- Try
- B(I);
- Threat
- DUALS(2)
- Vars
- B(d);N_SPINP(h),OGATE,XQ(D)::R(C)
- Refutation
- R(c);XB(I)
- Try
- Q(D);N_PINP(h)
- Vars
- R(c);N_GUARD,XS(E)::B(I)
- B(d);OGATE,P_PINS(E),XQ(D)::R(C)
- R(c);N_GUARD::B(I)
- B(d);OGATE::R(C)
- P(i);N_GUARD::S(E),XP(e)
- Refutation
- P(e);
- Try
- Q(D);N_PINP(h)
- Vars
- R(c);N_GUARD,XS(E)::B(I)
- P(e);N_GUARD,S_CUTR(c)::QAR(D)
- R(c);N_GUARD::B(I)
- R(c);N_GUARD::B(I),XR(c)
- B(d);OGATE::R(C)
- B(d);OGATE,P_PINS(E)::R(C)
- P(i);N_GUARD::S(E),XP(e)
- Refutation
- P(b);
- Try
- Q(D);N_PINP(h),XP(b)
- Vars
- R(c);N_GUARD,XS(E)::B(I)
- R(c);N_GUARD::B(I)
- R(c);N_GUARD::B(I),XR(c)
- B(d);OGATE::R(C)
- B(d);OGATE,P_PINS(E)::R(C)
- P(i);N_GUARD::S(E),XP(e)
- Refutation
- P(e);
- Try
- Actual
- Q(D);N_PINP(h)
- Vars
- R(c);N_GUARD,XS(E)::B(I)
- B(d);OGATE,XQ(D)::R(C)
- P(e);S_CUTR(c)::QAR(D)+S(A)
- R(c);N_GUARD::B(I)
- R(c);N_GUARD::B(I),XR(c)
- B(d);OGATE::R(C)
- B(d);OGATE,P_PINS(E)::R(C)
- P(b);S_CUTB(d)::QAR(D)+S(A)
- P(i);N_GUARD::S(E),XP(e)
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