MESON Chess Problem Database
Problem Display
PID: 264520 (8/P3N3/4pQ2/p3r3/rB1pk1p1/pPnR4/2K2P2/7b w - - 0 1)
Goldschmeding, Cornelis
The Problemist, 1993
#2
8 + 10
SOLUTION
- SOUND
- Sets
- 1...Rb5
- 2.Rxd4#
- 2.Qxd4#
- 1...Rc5
- 2.Rxd4#
- 2.Qxd4#
- 1...Rf5
- 2.Qxd4#
- 1...Rg5
- 2.Rxd4#
- 2.Qxd4#
- 1...Rh5
- 2.Rxd4#
- 2.Qxd4#
- 1...g3
- 2.Qh4#
- 1...Rb5
- Tries
- 1.Bd6?
- threat
- 2.Qxe5#
- 1...Rb5
- 2.Qf4#
- 1...Rc5
- 2.Qf4#
- 1...Rd5
- 2.Qf4#
- 1...Rg5
- 2.Qf4#
- 1...Rh5
- 2.Qf4#
- 1...Rf5!
- threat
- 1.f3+?
- 1...gxf3
- 2.Qh4#
- 1...Bxf3!
- 1...gxf3
- 1.f4?
- threat
- 2.Qxe5#
- 1...gxf4 ep
- 2.Qh4#
- 1...Rf5
- 2.Qxd4#
- 1...Rb5
- 2.Qxd4#
- 1...Rc5
- 2.Qxd4#
- 1...Rg5
- 2.Qxd4#
- 1...Rh5
- 2.Qxd4#
- 1...Rd5!
- threat
- 1.a8Q+?
- 1...Rd5
- 2.Rxd4#
- 2.Qxd4#
- 1...Sd5!
- 1...Rd5
- 1.a8B+?
- 1...Rd5
- 2.Rxd4#
- 2.Qxd4#
- 1...Sd5!
- 1...Rd5
- 1.Bd6?
- Keys
- 1.Sg6!
- threat
- 2.Qxe5#
- 1...Kd5
- 2.a8Q#
- 2.a8B#
- 1...Rb5
- 2.Rxd4#
- 1...Rc5
- 2.Rxd4#
- 1...Rd5
- 2.Qf4#
- 1...Rf5
- 2.Qxd4#
- 1...Rg5
- 2.Rxd4#
- 1...Rh5
- 2.Rxd4#
- threat
- 1.Sg6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 1
- Sets
- R(i);OGATE::QAR1(F),XP(e)
- P(g);OGATEB::QAR(F)
- Tries
- Try
- B(E);
- Threat
- QAR1(F),XR(i)
- Vars
- R(i);::QAR1(F)
- Refutation
- R(i);
- Try
- P(B);CHECK
- Vars
- P(g);S_CUTB(a),XP(B)::QAR(F)
- Refutation
- B(a);XP(B)
- Try
- P(B);
- Threat
- QAR1(F),XR(i)
- Vars
- P(g);EP,OGATEB,XP(B)::QAR(F)
- R(i);OGATE::QAR1(F),XP(e)
- Refutation
- R(i);
- Try
- P(G);CHECK
- Refutation
- S(c);P_SPINS(c)
- Try
- P(G);CHECK
- Refutation
- S(c);P_SPINS(c)
- Try
- Actual
- S(H);
- Threat
- QAR1(F),XR(i)
- Vars
- K(f);P_SPINP(e),S_CUTR(i),S_CUTS(c),S_FLIGHT::P=Q
- R(i);::R1(D),XP(e)
- R(i);SBLOCK::QAR1(F)
- R(i);OGATE,SBLOCK::QAR1(F),XP(e)
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