MESON Chess Problem Database
Problem Display
PID: 68114 (7Q/7p/nr6/2r5/2R3p1/1R3pB1/3PPK2/1B5k w - - 0 1)
Zalokotsky, Roman Fedorovich (aka Fedorovich, Roman)
Phenix, 1998
#2
8 + 7
SOLUTION
- SOUND
- Sets
- 1...Ra5
- 2.Rc1#
- 1...Rcb5
- 2.Rc1#
- 1...Rd5
- 2.Rc1#
- 1...Re5
- 2.Rc1#
- 1...Rf5
- 2.Rc1#
- 1...Rg5
- 2.Rc1#
- 1...Rh5
- 2.Rc1#
- 1...fxe2
- 2.Be4#
- 1...Ra5
- Tries
- 1.Bf5?
- threat
- 2.Qa1#
- 1...Rxb3
- 2.Qxh7#
- 1...fxe2
- 2.Be4#
- 1...Ra5
- 2.Rc1#
- 1...Re5
- 2.Rc1#
- 1...Rf6
- 2.Rb1#
- 1...Rxc4!
- threat
- 1.Bg6?
- threat
- 2.Qa1#
- 1...Rxc4
- 2.Qxh7#
- 1...fxe2
- 2.Be4#
- 1...Ra5
- 2.Rc1#
- 1...Re5
- 2.Rc1#
- 1...Rf6
- 2.Rb1#
- 1...Rxb3!
- threat
- 1.Rxc5?
- threat
- 2.Rc1#
- 2.Rh5#
- 1...fxe2
- 2.Be4#
- 2.Rh5#
- 1...Rb5
- 2.Rc1#
- 2.Qxh7#
- 1...Rc6
- 2.Rh5#
- 1...Rh6
- 2.Rc1#
- 1...h5
- 2.Rc1#
- 2.Rxh5#
- 2.Qxh5#
- 1...Sxc5!
- threat
- 1.Qa1?
- threat
- 2.Ba2#
- 2.Bc2#
- 2.Bd3#
- 2.Be4#
- 2.Bf5#
- 2.Bg6#
- 2.Bxh7#
- 1...Rxc4
- 2.Bc2#
- 1...fxe2
- 2.Be4#
- 1...Ra5
- 2.Ba2#
- 2.Rc1#
- 1...Rf5
- 2.Ba2#
- 2.Bc2#
- 2.Bd3#
- 2.Be4#
- 2.Bxf5#
- 2.Rc1#
- 1...Rg6
- 2.Ba2#
- 2.Bc2#
- 2.Bd3#
- 2.Be4#
- 2.Bf5#
- 2.Bxg6#
- 1...h5
- 2.Ba2#
- 2.Bc2#
- 2.Bd3#
- 2.Be4#
- 2.Bf5#
- 2.Bg6#
- 2.Bh7#
- 1...h6
- 2.Ba2#
- 2.Bc2#
- 2.Bd3#
- 2.Be4#
- 2.Bf5#
- 2.Bg6#
- 2.Bh7#
- 1...Rxb3!
- threat
- 1.Qb2?
- threat
- 2.Qc1#
- 1...fxe2
- 2.Be4#
- 1...Rxc4!
- threat
- 1.Qc3?
- threat
- 2.Qc1#
- 1...fxe2
- 2.Be4#
- 1...Rxc4!
- threat
- 1.Qf6?
- threat
- 2.Qh4#
- 1...Rg5
- 2.Rc1#
- 1...Rh5
- 2.Rc1#
- 1...Rxf6!
- threat
- 1.Qxh7+?
- 1...Rh5
- 2.Rc1#
- 2.Qxh5#
- 1...Rh6!
- 1...Rh5
- 1.Bf5?
- Keys
- 1.Bxh7!
- threat
- 2.Qa1#
- 1...Rxc4
- 2.Bg6#
- 1...Rxb3
- 2.Bf5#
- 1...fxe2
- 2.Be4#
- 1...Ra5
- 2.Rc1#
- 1...Re5
- 2.Rc1#
- 1...Rf6
- 2.Rb1#
- threat
- 1.Bxh7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 5
- Sets
- R(d);N_GUARD::R(G)
- R(d);N_GUARD,N_SPINP(g)::R(G)
- P(b);OGATEB,XP(C)::B(A)
- Tries
- Try
- B(A);
- Threat
- QAB1(H)
- Vars
- R(f);N_GUARD,XR(E)::QAR(H),XP(g)
- P(b);OGATEB,XP(C)::B(A)
- R(d);N_GUARD::R(G)
- R(f);N_GUARD::R(E)
- Refutation
- R(d);XR(G)
- Try
- B(A);
- Threat
- QAB1(H)
- Vars
- R(d);N_GUARD,XR(G)::QAR(H),XP(g)
- P(b);OGATEB,XP(C)::B(A)
- R(d);N_GUARD::R(G)
- R(f);N_GUARD::R(E)
- Refutation
- R(f);XR(E)
- Try
- R(G);XR(d)
- Threat
- DUALS(2)
- Vars
- R(f);::R(G)
- R(f);N_SPINP(g)::R(G)
- Refutation
- S(e);XR(G)
- Try
- Q(H);N_PINP(g)
- Threat
- DUALS(7)
- Vars
- R(d);XR(G)::QAR(H)+B(A)
- P(b);XP(C)::QAR(H)+B(A),DCHECK
- Refutation
- R(f);XR(E)
- Try
- Q(H);N_PINP(g)
- Threat
- QAR(H)
- Vars
- P(b);OGATEB,XP(C)::B(A)
- Refutation
- R(d);XR(G)
- Try
- Q(H);N_PINP(g)
- Threat
- QAR(H)
- Vars
- P(b);OGATEB,XP(C)::B(A)
- Refutation
- R(d);XR(G)
- Try
- Q(H);N_PINP(g)
- Threat
- QAR(H)
- Vars
- R(d);N_GUARD::R(G)
- Refutation
- R(f);XQ(H)
- Try
- Q(H);CHECK,XP(g)
- Refutation
- R(f);P_SPINR(f)
- Try
- Actual
- B(A);XP(g)
- Threat
- QAB1(H)
- Vars
- R(d);N_GUARD,XR(G)::QAR(H)+B(A)
- R(f);N_GUARD,XR(E)::QAR(H)+B(A)
- P(b);XP(C)::QAR(H)+B(A),DCHECK
- R(d);N_GUARD::R(G)
- R(f);N_GUARD::R(E)
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