MESON Chess Problem Database
Problem Display
PID: 111161 (4B3/8/N1N1n1p1/1RPkP3/p1rPp3/P5Rp/4Q2K/8 w - - 0 1)
Chernyavsky, Mykola Vasilovich
Shedey, Sergey Oleksandrovich
Shakhmaty, 1981
#2
11 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rc1
- 2.Sab4#
- 1...Rc2
- 2.Sab4#
- 1...Rc3
- 2.Sab4#
- 1...Rb4
- 2.Saxb4#
- 1...Rxc5
- 2.Sab4#
- 2.Qa2#
- 1...Sxd4
- 2.Sc7#
- 1...Sf4
- 2.Sc7#
- 1...Sxc5
- 2.Sc7#
- 1...Sg5
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...Sg7
- 2.Sc7#
- 1...Sd8
- 2.Sc7#
- 1...Sf8
- 2.Sc7#
- 1...e3
- 2.Qf3#
- 1...Rc1
- Tries
- 1.Rc3?
- threat
- 2.Qxc4#
- 1...Rxc3
- 2.Sab4#
- 1...Rxc5
- 2.Sab4#
- 2.Qc4#
- 2.Qa2#
- 1...e3
- 2.Qf3#
- 1...Rb4
- 2.Saxb4#
- 1...Rxd4!
- threat
- 1.Rg4?
- threat
- 2.Qxe4#
- 1...Rxc5
- 2.Sab4#
- 2.Qa2#
- 1...Sxd4
- 2.Sc7#
- 1...Sxc5
- 2.Sc7#
- 1...Sf4
- 2.Sc7#
- 1...Sg5
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...Sg7
- 2.Sc7#
- 1...Sd8
- 2.Sc7#
- 1...Sf8
- 2.Sc7#
- 1...Rc1
- 2.Sab4#
- 1...Rc2
- 2.Sab4#
- 1...Rc3
- 2.Sab4#
- 1...Rb4
- 2.Saxb4#
- 1...e3
- 2.Se7#
- 2.Qf3#
- 1...Rxd4!
- threat
- 1.Rxg6?
- 1...Rxc5
- 2.Sab4#
- 2.Qa2#
- 1...Sxd4
- 2.Sc7#
- 2.Rd6#
- 1...Sxc5
- 2.Sc7#
- 2.Bf7#
- 2.Rd6#
- 1...e3
- 2.Qf3#
- 1...Rc1
- 2.Sab4#
- 1...Rc2
- 2.Sab4#
- 1...Rc3
- 2.Sab4#
- 1...Rb4
- 2.Saxb4#
- 1...Sf4
- 2.Sc7#
- 2.Rd6#
- 1...Sg5
- 2.Sc7#
- 2.Rd6#
- 1...Sc7
- 2.Sxc7#
- 2.Rd6#
- 1...Sg7
- 2.Sc7#
- 2.Rd6#
- 1...Sd8
- 2.Sc7#
- 2.Rd6#
- 1...Sf8
- 2.Sc7#
- 2.Rd6#
- 1...Rxd4!
- 1...Rxc5
- 1.Rb4?
- threat
- 2.Qxc4#
- 1...Rxb4
- 2.Saxb4#
- 1...Rxc5
- 2.Se7#
- 1...e3
- 2.Qf3#
- 1...Rc1
- 2.Se7#
- 1...Rc2
- 2.Se7#
- 1...Rc3
- 2.Se7#
- 1...Rxd4!
- threat
- 1.Qa2?
- threat
- 2.Sab4#
- 1...Sxd4
- 2.Sc7#
- 1...Sxc5
- 2.Sc7#
- 1...Sf4
- 2.Sc7#
- 1...Sg5
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...Sg7
- 2.Sc7#
- 1...Sd8
- 2.Sc7#
- 1...Sf8
- 2.Sc7#
- 1...e3!
- threat
- 1.Rc3?
- Keys
- 1.Rg5!
- 1...Rxd4
- 2.Se7#
- 1...Rxc5
- 2.Sab4#
- 2.Qa2#
- 1...Sxd4
- 2.Sc7#
- 1...Sxc5
- 2.Sc7#
- 1...Sxg5
- 2.Sc7#
- 1...Sf4
- 2.Sc7#
- 1...Sc7
- 2.Sxc7#
- 1...Sg7
- 2.Sc7#
- 1...Sd8
- 2.Sc7#
- 1...Sf8
- 2.Sc7#
- 1...e3
- 2.Qf3#
- 1...Rc1
- 2.Sab4#
- 1...Rc2
- 2.Sab4#
- 1...Rc3
- 2.Sab4#
- 1...Rb4
- 2.Saxb4#
- 1...Rxd4
- 1.Rg5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(c);N_GUARD::S(I)
- R(c);N_GUARD,P_PINQ(A)::S(I)
- R(c);N_GUARD::S(I),XR(c)
- S(f);N_GUARD,XP(E)::S(I)
- S(f);N_GUARD::S(I)
- S(f);N_GUARD,P_SPINS(f),XP(G)::S(I)
- S(f);N_GUARD::S(I),XS(f)
- P(d);OGATEB::QAB(A)
- Tries
- Try
- R(D);
- Threat
- QAB1(A),XR(c)
- Vars
- R(c);N_GUARD,XR(D)::S(I)
- P(d);OGATEB::QAB(A)
- R(c);N_GUARD::S(I),XR(c)
- Refutation
- R(c);XP(E)
- Try
- R(D);
- Threat
- QAB1(A),XP(d)
- Vars
- S(f);N_GUARD,XP(E)::S(I)
- S(f);N_GUARD,P_SPINS(f),XP(G)::S(I)
- S(f);N_GUARD::S(I)
- S(f);N_GUARD::S(I),XS(f)
- R(c);N_GUARD::S(I)
- R(c);N_GUARD,P_PINQ(A)::S(I)
- R(c);N_GUARD::S(I),XR(c)
- Refutation
- R(c);XP(E)
- Try
- R(D);XP(g)
- Vars
- P(d);OGATEB::QAB(A)
- R(c);N_GUARD::S(I)
- R(c);N_GUARD,P_PINQ(A)::S(I)
- R(c);N_GUARD::S(I),XR(c)
- Refutation
- R(c);XP(E)
- Try
- R(F);
- Threat
- QAB1(A),XR(c)
- Vars
- R(c);XR(F)::S(I),XR(c)
- R(c);XP(G)::S(J)
- P(d);OGATEB::QAB(A)
- R(c);::S(J)
- R(c);P_PINQ(A)::S(J)
- Refutation
- R(c);XP(E)
- Try
- Q(A);P_PINR(c)
- Threat
- S(I)
- Vars
- S(f);N_GUARD,XP(E)::S(I)
- S(f);N_GUARD,P_SPINS(f),XP(G)::S(I)
- S(f);N_GUARD::S(I)
- S(f);N_GUARD::S(I),XS(f)
- Refutation
- P(d);
- Try
- Actual
- R(D);
- Vars
- R(c);SBLOCK,XP(E)::S(J)
- S(f);N_GUARD,XP(E)::S(I)
- S(f);N_GUARD,P_SPINS(f),XP(G)::S(I)
- S(f);N_GUARD,XR(D)::S(I)
- S(f);N_GUARD::S(I)
- S(f);N_GUARD::S(I),XS(f)
- P(d);OGATEB::QAB(A)
- R(c);N_GUARD::S(I)
- R(c);N_GUARD,P_PINQ(A)::S(I)
- R(c);N_GUARD::S(I),XR(c)
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