MESON Chess Problem Database
Problem Display
PID: 56634 (4R3/3n4/QR6/1B2p3/4kp2/5N1K/6P1/8 w - - 0 1)
Diatlov, Oleg
Skrinnik, Oleksandr Petrovich
Syzonenko, Viktor N
4th Prize, Segers-80 JT, 1994-1995
#2
7 + 4
| 5110 | Bekroonde Problemen | 2002 |
| 5418 | FIDE Album (1995-1997) (Annexe) | 2004 |
SOLUTION
- SOUND
- Sets
- 1...Sc5
- 2.Rxe5#
- 1...Sxb6
- 2.Rxe5#
- 1...Sf6
- 2.Rxe5#
- 1...Sb8
- 2.Rxe5#
- 1...Sf8
- 2.Rxe5#
- 1...Sc5
- Tries
- 1.Bf1?
- threat
- 2.Qd3#
- 1...Ke3
- 2.Qe2#
- 1...Kd5
- 2.Qc4#
- 1...Sc5
- 2.Rxe5#
- 1...Kf5!
- threat
- 1.Bd3+?
- 1...Kd5
- 2.Qc4#
- 1...Ke3!
- 1...Kd5
- 1.Bxd7?
- threat
- 2.Rxe5#
- 1...Kd5
- 2.Rxe5#
- 1...Ke3!
- threat
- 1.Rf6?
- 1...Kd5
- 2.Qc6#
- 1...Sxf6
- 2.Rxe5#
- 1...Sc5
- 2.Rxe5#
- 1...Sb6
- 2.Rxe5#
- 1...Sb8
- 2.Rxe5#
- 1...Sf8
- 2.Rxe5#
- 1...Ke3!
- 1...Kd5
- 1.Rh6?
- 1...Kd5
- 2.Qc6#
- 1...Kf5
- 2.Qg6#
- 1...Sc5
- 2.Rxe5#
- 1...Sb6
- 2.Rxe5#
- 1...Sf6
- 2.Rxe5#
- 1...Sb8
- 2.Rxe5#
- 1...Sf8
- 2.Rxe5#
- 1...Ke3!
- 1...Kd5
- 1.Qb7+?
- 1...Kf5
- 2.Bxd7#
- 1...Ke3!
- 1...Kf5
- 1.Qc8?
- 1...Kd5
- 2.Qc4#
- 2.Qc6#
- 1...Kf5
- 2.Rxe5#
- 1...Sxb6
- 2.Rxe5#
- 1...Sc5
- 2.Rxe5#
- 1...Sf6
- 2.Rxe5#
- 1...Sb8
- 2.Rxe5#
- 1...Sf8
- 2.Rxe5#
- 1...Ke3!
- 1...Kd5
- 1.Qa2?
- 1...Ke3
- 2.Qe2#
- 1...Sxb6
- 2.Rxe5#
- 1...Sc5
- 2.Rxe5#
- 1...Sf6
- 2.Rxe5#
- 1...Sb8
- 2.Rxe5#
- 1...Sf8
- 2.Rxe5#
- 1...Kf5!
- 1...Ke3
- 1.Qa5?
- 1...Ke3
- 2.Qe1#
- 1...Kf5
- 2.Bd3#
- 1...Sxb6
- 2.Rxe5#
- 1...Sc5
- 2.Rxe5#
- 1...Sf6
- 2.Rxe5#
- 1...Sb8
- 2.Rxe5#
- 1...Sf8
- 2.Rxe5#
- 1...Kd5!
- 1...Ke3
- 1.Qa8+?
- 1...Kf5
- 2.Bxd7#
- 1...Ke3!
- 1...Kf5
- 1.Bf1?
- Keys
- 1.Qa4+!
- 1...Ke3
- 2.Qd4#
- 1...Kd5
- 2.Qc4#
- 1...Kf5
- 2.Bxd7#
- 1...Ke3
- 1.Qa4+!
FEATURES
- Static
- TYPE = CHECKING_KEY
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 5
- Sets
- S(d);N_GUARD::R1(G),XP(c)
- S(d);N_GUARD,XR(F)::R1(G),XP(c)
- Tries
- Try
- B(D);
- Threat
- QAB1(E)
- Vars
- K(a);P-FLIGHT::QAR1(E)
- K(a);N_SPINP(c),S_FLIGHT::QAB1(E)
- S(d);N_GUARD::R1(G),XP(c)
- Refutation
- K(a);N_SPINP(c),S_FLIGHT
- Try
- B(D);CHECK
- Vars
- K(a);N_SPINP(c),S_FLIGHT::QAB1(E)
- Refutation
- K(a);P-FLIGHT
- Try
- B(D);XS(d)
- Threat
- R1(G),XP(c)
- Vars
- K(a);N_SPINP(c),S_FLIGHT::R1(G),XP(c)
- Refutation
- K(a);P-FLIGHT
- Try
- R(F);
- Vars
- K(a);N_SPINP(c),S_FLIGHT::QAB1(E)
- S(d);N_GUARD,XR(F)::R1(G),XP(c)
- S(d);N_GUARD::R1(G),XP(c)
- Refutation
- K(a);P-FLIGHT
- Try
- R(F);
- Vars
- K(a);N_SPINP(c),S_FLIGHT::QAB1(E)
- S(d);N_GUARD::R1(G),XP(c)
- Refutation
- K(a);P-FLIGHT
- Try
- Q(E);CHECK
- Vars
- K(a);N_SPINP(c),S_FLIGHT::B(D),XS(d)
- Refutation
- K(a);P-FLIGHT
- Try
- Q(E);
- Vars
- K(a);N_SPINP(c),P_SPINS(d),S_FLIGHT::R1(G),XP(c)
- S(d);N_GUARD,XR(F)::R1(G),XP(c)
- S(d);N_GUARD::R1(G),XP(c)
- Refutation
- K(a);P-FLIGHT
- Try
- Q(E);
- Vars
- K(a);P-FLIGHT::QAR1(E)
- S(d);N_GUARD,XR(F)::R1(G),XP(c)
- S(d);N_GUARD::R1(G),XP(c)
- Refutation
- K(a);N_SPINP(c),S_FLIGHT
- Try
- Q(E);
- Vars
- K(a);P-FLIGHT::QAR2(E)
- K(a);N_SPINP(c),S_FLIGHT::B(D)
- S(d);N_GUARD,XR(F)::R1(G),XP(c)
- S(d);N_GUARD::R1(G),XP(c)
- Refutation
- K(a);N_SPINP(c),S_FLIGHT
- Try
- Q(E);CHECK
- Vars
- K(a);N_SPINP(c),S_FLIGHT::B(D),XS(d)
- Refutation
- K(a);P-FLIGHT
- Try
- Actual
- Q(E);CHECK
- Vars
- K(a);P-FLIGHT::QAB1(E)
- K(a);N_SPINP(c),S_FLIGHT::QAB1(E)
- K(a);N_SPINP(c),S_FLIGHT::B(D),XS(d)
Developed and maintained by Brian Stephenson.
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