MESON Chess Problem Database
Problem Display
PID: 49639 (5K2/2B3p1/4PN1p/2r1r1kP/6B1/7R/4NR2/Q7 w - - 0 1)
Degener, Udo
2nd Prize, Sinfonie Scacchistiche, 1987
#2
10 + 5
| 5159 | FIDE Album (1986-1988) (Annexe) | 1996 |
SOLUTION
- SOUND
- Sets
- 1...Rc1
- 2.Qxe5#
- 1...Rc2
- 2.Qxe5#
- 1...Rc4
- 2.Qxe5#
- 1...Rc6
- 2.Qxe5#
- 1...Rxc7
- 2.Qxe5#
- 1...Rxe2
- 2.Bf4#
- 1...Re3
- 2.Bf4#
- 1...Rd5
- 2.Bf4#
- 1...Rxe6
- 2.Bf4#
- 1...Rc1
- Tries
- 1.Se4+?
- 1...Rxe4
- 2.Qxg7#
- 1...Kxg4!
- 1...Rxe4
- 1.Rg2?
- threat
- 2.Sh7#
- 1...Kxf6
- 2.Bd8#
- 1...Rf5
- 2.Bf3#
- 1...gxf6!
- threat
- 1.Qc1+?
- 1...Re3
- 2.Qxe3#
- 1...Rxc1!
- 1...Re3
- 1.Qg1?
- threat
- 2.Sh7#
- 1...gxf6
- 2.Bf5#
- 1...Rf5!
- threat
- 1.Se4+?
- Keys
- 1.Bf5!
- threat
- 2.Sh7#
- 1...Kxf6
- 2.Bd8#
- 1...Rxf5
- 2.Rg2#
- 1...gxf6
- 2.Qg1#
- threat
- 1.Bf5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 9
- Sets
- R(a);N_GUARD::QAR2(A),XR(b)
- R(a);N_GUARD,XB(I)::QAR2(A),XR(b)
- R(b);OGATE,XS(B)::B(I)
- R(b);OGATE::B(I)
- R(b);OGATE,XP(G)::B(I)
- Tries
- Try
- S(H);CHECK
- Vars
- R(b);OGATE,XS(H)::QAR2(A),XP(e)
- Refutation
- K(c);P-FLIGHT,XB(E)
- Try
- R(C);
- Threat
- S(H)
- Vars
- K(c);OGATEB,P_SPINR(b),S_FLIGHT,XS(H)::B(I)
- R(b);P_PINS(H),SBLOCK::R(C)+B(E)
- Refutation
- P(e);XS(H)
- Try
- Q(A);CHECK
- Vars
- R(b);N_GUARD,P_SPINR(b)::QAB(A),XR(b)
- Refutation
- R(a);XQ(A)
- Try
- Q(A);
- Threat
- S(H)
- Vars
- P(e);SBLOCK,XS(H)::QAR(A)+B(E)
- Refutation
- R(b);P_PINS(H)
- Try
- Actual
- B(E);
- Threat
- S(H)
- Vars
- K(c);OGATEB,P_SPINR(b),S_FLIGHT,XS(H)::B(I)
- R(b);P_PINS(H),SBLOCK,XB(E)::R(C)
- P(e);SBLOCK,XS(H)::QAR(A)
Developed and maintained by Brian Stephenson.
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