MESON Chess Problem Database
Problem Display
PID: 199885 (8/rk3p2/pN1B4/3R4/2NQ1P1K/3p2p1/1q4B1/4b3 w - - 0 1)
Stepochkin, Anatoly Viktorovich
Sachova skladba, 1988
#2
8 + 8
SOLUTION
- SOUND
- Sets
- 1...Kc6
- 2.Rc5#
- 1...Qa1
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 1...Qc1
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 1...Qa3
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 1...Qc3
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 1...Qxd4
- 2.Rxd4#
- 1...Qb1
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 1...Qb3
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 1...Qb4
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 1...Qb5
- 2.Rxb5#
- 1...Bd2
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 1...Bf2
- 2.Sa5#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 1...Ba5
- 2.Sxa5#
- 1...d2
- 2.Sa5#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 1...Kc6
- Tries
- 1.Sxb2?
- threat
- 2.Ra5#
- 2.Rb5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 1...Kc6
- 2.Ra5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 1...a5
- 2.Rxa5#
- 1...Ba5
- 2.Rxa5#
- 2.Rb5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 1...f5
- 2.Ra5#
- 2.Rb5#
- 2.Re5#
- 2.Rxf5#
- 1...Ra8!
- threat
- 1.Qxb2?
- threat
- 2.Rxd3#
- 2.Rd4#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 1...Kc6
- 2.Rxd3#
- 2.Rd4#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 1...a5
- 2.Rxa5#
- 1...Ba5
- 2.Sxa5#
- 2.Rxd3#
- 2.Rd4#
- 2.Rxa5#
- 2.Rb5#
- 2.Rc5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 1...d2
- 2.Sa5#
- 2.Rxd2#
- 2.Rd3#
- 2.Rd4#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 1...f5
- 2.Rxd3#
- 2.Rd4#
- 2.Ra5#
- 2.Rb5#
- 2.Rc5#
- 2.Re5#
- 2.Rxf5#
- 1...Ra8!
- threat
- 1.Qc5?
- threat
- 2.Qc7#
- 2.Qc8#
- 1...Qf6+
- 2.Rg5#
- 1...Qh8+
- 2.Rh5#
- 1...Ra8
- 2.Qc7#
- 1...a5
- 2.Qc8#
- 1...Qxb6!
- threat
- 1.Sxb2?
- Keys
- 1.Qh8!
- threat
- 2.Qc8#
- 1...Qf6+
- 2.Rg5#
- 1...Qxh8+
- 2.Rh5#
- 1...Kc6
- 2.Rc5#
- 1...Qxb6
- 2.Rb5#
- 1...Ra8
- 2.Qxa8#
- threat
- 1.Qh8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 3
- Sets
- K(g);S_FLIGHT::B(A)+R(F),DCHECK
- Q(b);OGATE,P_PINP(D),XQ(C)::B(A)+R(F),XQ(b)
- Q(b);N_GUARD::B(A)+R(F),XQ(b)
- B(a);N_GUARD::S(B),XB(a)
- Tries
- Try
- S(B);XQ(b)
- Threat
- DUALS(6)
- Vars
- P(e);::B(A)+R(F),XP(e)
- Refutation
- R(f);
- Try
- Q(C);XQ(b)
- Threat
- DUALS(9)
- Vars
- P(e);::B(A)+R(F),XP(e)
- Refutation
- R(f);
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- Q(b);CHECK,N_GUARD::B(A)+R(F)
- R(f);::QAR1(C)
- P(e);::QAB1(C)
- Refutation
- Q(b);XS(G)
- Try
- Actual
- Q(C);
- Threat
- QAB1(C)
- Vars
- Q(b);CHECK,N_GUARD::B(A)+R(F)
- Q(b);CHECK,N_GUARD,XQ(C)::B(A)+R(F)
- K(g);S_FLIGHT::B(A)+R(F),DCHECK
- Q(b);N_GUARD,XS(G)::B(A)+R(F)
- R(f);N_GUARD::QAB1(C),XR(f)
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