MESON Chess Problem Database
Problem Display
PID: 138569 (8/7p/2P4K/p2P2R1/prp1Pk2/B3nPR1/3Q3b/2N3n1 w - - 0 1)
Chepizhni, Viktor Ivanovich
Rudenko, Valentin Fedorovich
Probleemblad, 1973
#2
10 + 9
| 6167 | Viktor Chepizhny | 2007 |
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.Bd6#
- 1...Rb2
- 2.Bd6#
- 1...Rb3
- 2.Bd6#
- 1...Rb5
- 2.Bd6#
- 1...Rb6
- 2.Bd6#
- 1...Rb7
- 2.Bd6#
- 1...Rb8
- 2.Bd6#
- 1...Bxg3
- 2.Rf5#
- 1...Se2
- 2.Sxe2#
- 1...Sxf3
- 2.R3g4#
- 1...Sh3
- 2.Se2#
- 1...c3
- 2.Sd3#
- 1...Rb1
- Tries
- 1.Kh5?
- 1...Bxg3
- 2.Rf5#
- 1...Sxf3
- 2.R3g4#
- 1...Rb1
- 2.Bd6#
- 1...Rb2
- 2.Bd6#
- 1...Rb3
- 2.Bd6#
- 1...Rb5
- 2.Bd6#
- 1...Rb6
- 2.Bd6#
- 1...Rb7
- 2.Bd6#
- 1...Rb8
- 2.Bd6#
- 1...Se2
- 2.Sxe2#
- 1...Sh3
- 2.Se2#
- 1...c3
- 2.Sd3#
- 1...h6!
- 1...Bxg3
- 1.Kxh7?
- 1...Bxg3
- 2.Rf5#
- 1...Sxf3
- 2.R3g4#
- 1...Rb1
- 2.Bd6#
- 1...Rb2
- 2.Bd6#
- 1...Rb3
- 2.Bd6#
- 1...Rb5
- 2.Bd6#
- 1...Rb6
- 2.Bd6#
- 1...Rb8
- 2.Bd6#
- 1...Se2
- 2.Sxe2#
- 1...Sh3
- 2.Se2#
- 1...c3
- 2.Sd3#
- 1...Rb7+!
- 1...Bxg3
- 1.Bb2?
- threat
- 2.Be5#
- 2.R5g4#
- 1...Bxg3
- 2.Rf5#
- 1...Sxf3
- 2.R3g4#
- 2.R5g4#
- 1...c3
- 2.Sd3#
- 1...Rxb2!
- threat
- 1.Bxb4?
- threat
- 2.Bd6#
- 1...Bxg3
- 2.Rf5#
- 1...Sxf3
- 2.R3g4#
- 1...axb4!
- threat
- 1.Rg2?
- threat
- 2.Rf5#
- 1...Sxf3
- 2.R2g4#
- 1...Kxf3!
- threat
- 1.Qd4?
- threat
- 2.Qe5#
- 2.e5#
- 1...Sg4+
- 2.R5xg4#
- 1...Sf5+
- 2.exf5#
- 1...Sxf3
- 2.Se2#
- 1...Sxd5
- 2.R5g4#
- 2.exd5#
- 2.e5#
- 1...Se2
- 2.Sxe2#
- 2.Qe5#
- 1...Sd1
- 2.R5g4#
- 2.e5#
- 1...Sf1
- 2.R5g4#
- 2.e5#
- 1...Sc2
- 2.R5g4#
- 1...Sg2
- 2.R5g4#
- 2.e5#
- 1...c3
- 2.Sd3#
- 2.Qe5#
- 1...Bxg3!
- threat
- 1.e5?
- threat
- 2.Qd4#
- 1...Sxf3
- 2.R3g4#
- 1...Se2
- 2.Sxe2#
- 1...c3
- 2.Sd3#
- 1...Bxg3!
- threat
- 1.c7?
- 1...Bxg3
- 2.Rf5#
- 1...Sxf3
- 2.R3g4#
- 1...Rb1
- 2.Bd6#
- 1...Rb2
- 2.Bd6#
- 1...Rb3
- 2.Bd6#
- 1...Rb5
- 2.Bd6#
- 1...Rb7
- 2.Bd6#
- 1...Rb8
- 2.Bd6#
- 2.cxb8Q#
- 2.cxb8B#
- 1...Se2
- 2.Sxe2#
- 1...Sh3
- 2.Se2#
- 1...c3
- 2.Sd3#
- 1...Rb6+!
- 1...Bxg3
- 1.Kh5?
- Keys
- 1.Qf2!
- 1...Sg4+
- 2.R3xg4#
- 1...Sf5+
- 2.Rxf5#
- 1...Bxg3
- 2.Qxg3#
- 1...Sxf3
- 2.Qxf3#
- 1...Sxd5
- 2.R3g4#
- 2.Rf5#
- 1...Rb1
- 2.Bd6#
- 1...Rb2
- 2.Bd6#
- 1...Rb3
- 2.Bd6#
- 1...Rb5
- 2.Bd6#
- 1...Rb6
- 2.Bd6#
- 1...Rb7
- 2.Bd6#
- 1...Rb8
- 2.Bd6#
- 1...Se2
- 2.Sxe2#
- 1...Sh3
- 2.Se2#
- 1...Sd1
- 2.R3g4#
- 2.Rf5#
- 1...Sf1
- 2.R3g4#
- 2.Rf5#
- 1...Sc2
- 2.R3g4#
- 2.Rf5#
- 1...Sg2
- 2.R3g4#
- 2.Rf5#
- 1...c3
- 2.Sd3#
- 1...Sg4+
- 1.Qf2!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(e);OGATE::B(C)
- R(e);OGATE,P_PINP(I)::B(C)
- B(b);SBLOCK,XR(E)::R1(H)
- S(a);N_GUARD::S(A),XS(a)
- S(a);SBLOCK,XP(D)::R1(E)
- S(a);N_GUARD::S(A)
- P(f);N_GUARD::S(A)
- Tries
- Try
- K(J);P-FLIGHT
- Vars
- B(b);SBLOCK,XR(E)::R1(H)
- S(a);SBLOCK,XP(D)::R1(E)
- R(e);OGATE::B(C)
- S(a);N_GUARD::S(A),XS(a)
- S(a);N_GUARD::S(A)
- P(f);N_GUARD::S(A)
- Refutation
- P(i);
- Try
- K(J);P-FLIGHT,XP(i)
- Vars
- B(b);SBLOCK,XR(E)::R1(H)
- S(a);SBLOCK,XP(D)::R1(E)
- R(e);OGATE::B(C)
- S(a);N_GUARD::S(A),XS(a)
- S(a);N_GUARD::S(A)
- P(f);N_GUARD::S(A)
- Refutation
- R(e);CHECK
- Try
- B(C);
- Threat
- DUALS(2)
- Vars
- B(b);SBLOCK,XR(E)::R1(H)
- P(f);N_GUARD::S(A)
- Refutation
- R(e);XB(C)
- Try
- B(C);XR(e)
- Threat
- B(C)
- Vars
- B(b);SBLOCK,XR(E)::R1(H)
- S(a);SBLOCK,XP(D)::R1(E)
- Refutation
- P(h);XB(C)
- Try
- R(E);
- Threat
- R1(H)
- Vars
- S(a);SBLOCK,XP(D)::R1(E)
- Refutation
- K(g);N_SPINS(c),P-FLIGHT,XP(D)
- Try
- Q(B);N_PINS(c)
- Threat
- DUALS(2)
- Vars
- S(c);CHECK,N_GUARD::R1(H),XS(c)
- S(c);CHECK,OGATE::QAR(B)+P(F),XS(c)
- S(a);N_GUARD,XP(D)::S(A)
- S(c);N_GUARD::R1(H)
- Refutation
- B(b);XR(E)
- Try
- P(F);
- Threat
- QAR2(B)
- Vars
- S(a);SBLOCK,XP(D)::R1(E)
- S(a);N_GUARD::S(A),XS(a)
- P(f);N_GUARD::S(A)
- Refutation
- B(b);XR(E)
- Try
- P(I);
- Vars
- B(b);SBLOCK,XR(E)::R1(H)
- S(a);SBLOCK,XP(D)::R1(E)
- R(e);OGATE::B(C)
- S(a);N_GUARD::S(A),XS(a)
- S(a);N_GUARD::S(A)
- P(f);N_GUARD::S(A)
- Refutation
- R(e);CHECK
- Try
- Actual
- Q(B);N_PINS(c)
- Vars
- S(c);CHECK,N_GUARD::R1(E),XS(c)
- S(c);CHECK,N_GUARD::R1(H),XS(c)
- B(b);OGATE,XR(E)::QAB1(B),XB(b)
- S(a);OGATE,P_SPINS(a),XP(D)::QAR1(B),XS(a)
- R(e);OGATE::B(C)
- R(e);OGATE,P_PINP(I)::B(C)
- S(a);N_GUARD::S(A),XS(a)
- S(a);N_GUARD::S(A)
- P(f);N_GUARD::S(A)
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