MESON Chess Problem Database
Problem Display
PID: 244794 (K2R3Q/4p3/7B/5P1N/2RNk3/1p6/2p1P3/1B4rb w - - 0 1)
Zalokotsky, Roman Fedorovich (aka Fedorovich, Roman)
Szachy, 1978
#2
10 + 6
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rxb1
- 2.Sg3#
- 1...Rc1
- 2.Sg3#
- 1...Rd1
- 2.Sg3#
- 1...Re1
- 2.Sg3#
- 1...Rf1
- 2.Sg3#
- 1...Rg3
- 2.Sxg3#
- 1...Bg2
- 2.Sg3#
- 1...b2
- 2.Bxc2#
- 1...e5
- 2.Sf6#
- 1...Rxb1
- Tries
- 1.Sf6+?
- 1...exf6
- 2.Qe8#
- 1...Ke5+!
- 1...exf6
- 1.Bf4?
- threat
- 2.Qe5#
- 1...e5
- 2.Qxe5#
- 1...Rg7!
- threat
- 1.Rc3?
- threat
- 2.Re3#
- 1...Rg3
- 2.Sxg3#
- 1...Rg5!
- threat
- 1.Rc5?
- threat
- 2.Re5#
- 2.Qe5#
- 1...e5
- 2.Sf6#
- 2.Rxe5#
- 2.Qxe5#
- 1...Rg7!
- threat
- 1.Rc6?
- threat
- 2.Re6#
- 1...e5
- 2.Sf6#
- 1...e6
- 2.Rxe6#
- 1...Rg6!
- threat
- 1.Qf6?
- threat
- 2.Sxc2#
- 2.Sxb3#
- 2.Sf3#
- 2.Sb5#
- 2.Sc6#
- 2.Se6#
- 2.Qxe7#
- 2.Qe6#
- 1...cxb1Q
- 2.Sc2#
- 2.Sxb3#
- 2.Sf3#
- 2.Sb5#
- 2.Sc6#
- 2.Se6#
- 2.Qxe7#
- 2.Qe6#
- 1...cxb1S
- 2.Sc2#
- 2.Sxb3#
- 2.Sf3#
- 2.Sb5#
- 2.Sc6#
- 2.Se6#
- 2.Qxe7#
- 2.Qe6#
- 1...cxb1B
- 2.Sc2#
- 2.Sxb3#
- 2.Sf3#
- 2.Sb5#
- 2.Sc6#
- 2.Se6#
- 2.Qxe7#
- 2.Qe6#
- 1...cxb1R
- 2.Sc2#
- 2.Sxb3#
- 2.Sf3#
- 2.Sb5#
- 2.Sc6#
- 2.Se6#
- 2.Qxe7#
- 2.Qe6#
- 1...Rg5
- 2.Sxc2#
- 2.Qxe7#
- 2.Qe6#
- 1...Rg7
- 2.Sxc2#
- 2.Sxb3#
- 2.Sf3#
- 2.Sb5#
- 2.Sc6#
- 2.Se6#
- 2.Qe6#
- 1...Rd1
- 2.Sg3#
- 2.Qxe7#
- 2.Qe6#
- 1...Rg6
- 2.Sxc2#
- 2.Sxb3#
- 2.Sf3#
- 2.Sb5#
- 2.Sc6#
- 2.Se6#
- 1...Bf3
- 2.Sxc2#
- 2.Sxb3#
- 2.Sxf3#
- 2.Sb5#
- 2.Sc6#
- 2.Se6#
- 2.Qxe7#
- 2.Qe6#
- 1...b2
- 2.Sxc2#
- 2.Sb3#
- 2.Sf3#
- 2.Sb5#
- 2.Sc6#
- 2.Se6#
- 2.Bxc2#
- 2.Qxe7#
- 2.Qe6#
- 1...e5
- 2.Sxc2#
- 2.Sxb3#
- 2.Sf3#
- 2.Sb5#
- 2.Sc6#
- 2.Se6#
- 2.Qc6#
- 1...e6
- 2.Sxc2#
- 2.Sxb3#
- 2.Sf3#
- 2.Sb5#
- 2.Sc6#
- 2.Sxe6#
- 2.Qxe6#
- 1...exf6!
- threat
- 1.Qf8?
- threat
- 2.Sf3#
- 2.Sc6#
- 2.Qxe7#
- 1...Rg5
- 2.Qxe7#
- 1...Rg6
- 2.Sf3#
- 2.Sc6#
- 1...Rd1
- 2.Qxe7#
- 1...Rg7
- 2.Sf3#
- 2.Sc6#
- 1...Bf3
- 2.Sxf3#
- 2.Sc6#
- 2.Qxe7#
- 1...e5
- 2.Sxc2#
- 2.Sxb3#
- 2.Sf3#
- 2.Sb5#
- 2.Sc6#
- 2.Se6#
- 2.Sf6#
- 1...e6
- 2.Sf3#
- 2.Sc6#
- 1...Ke5+!
- threat
- 1.Sf6+?
- Keys
- 1.Rxc2!
- threat
- 2.Rc1#
- 1...Rxb1
- 2.Sg3#
- 1...bxc2
- 2.Bxc2#
- 1...Rg5
- 2.Rc3#
- 1...Rg7
- 2.Rc5#
- 1...Rc1
- 2.Sg3#
- 2.Rxc1#
- 1...Rd1
- 2.Sg3#
- 1...Rg3
- 2.Sxg3#
- threat
- 1.Rxc2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 6
- Sets
- R(a);N_GUARD,N_SPINP(c),XB(A)::S(F)
- R(a);N_GUARD::S(F)
- R(a);N_GUARD::S(F),XR(a)
- B(b);S_CUTR(a)::S(F)
- P(d);N_GUARD::B(A),XP(c)
- P(f);N_GUARD,SBLOCK::S(F)
- Tries
- Try
- S(F);CHECK
- Vars
- P(f);XS(F)::QAR(J)
- Refutation
- K(e);CHECK,N_SPINP(c),P-FLIGHT
- Try
- B(G);
- Threat
- QAR1(J)
- Vars
- P(f);::QAR1(J),XP(f)
- Refutation
- R(a);
- Try
- R(C);
- Threat
- R1(C)
- Vars
- R(a);N_GUARD::S(F),XR(a)
- Refutation
- R(a);
- Try
- R(C);
- Threat
- DUALS(2)
- Refutation
- R(a);
- Try
- R(C);
- Threat
- R(C)
- Vars
- P(f);N_GUARD,SBLOCK::S(F)
- P(f);::R(C),XP(f)
- Refutation
- R(a);
- Try
- Q(J);
- Threat
- DUALS(8)
- Refutation
- P(f);XQ(J)
- Try
- Q(J);
- Threat
- DUALS(3)
- Vars
- R(a);::QAR(J),XP(f)
- Refutation
- K(e);CHECK,N_SPINP(c),P-FLIGHT
- Try
- Actual
- R(C);XP(c)
- Threat
- B(A)+R(C)
- Vars
- R(a);N_GUARD,XB(A)::S(F)
- P(d);OGATE,P_SPINP(d),XR(C)::B(A),XP(d)
- R(a);N_GUARD::B(A)+R(C)
- R(a);N_GUARD::S(F)
- R(a);N_GUARD::S(F),XR(a)
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