MESON Chess Problem Database
Problem Display
PID: 96619 (3R1BQ1/2P5/1prb4/1p1p1N2/nPk2p1p/K1p4P/2P1N3/1R6 w - - 0 1)
Onkoud, Abdelaziz
Problemas, 2000
#2
11 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rc5
- 2.Sxd6#
- 1...Rxc7
- 2.Sxd6#
- 1...Bxb4+
- 2.Rxb4#
- 1...Bc5
- 2.Qxd5#
- 1...Be5
- 2.Qxd5#
- 1...Bxc7
- 2.Qxd5#
- 1...Be7
- 2.Qxd5#
- 1...Bxf8
- 2.Qxd5#
- 1...f3
- 2.Se3#
- 1...Rc5
- Tries
- 1.Sxf4?
- threat
- 2.Qxd5#
- 1...Bxb4+
- 2.Rxb4#
- 1...Rc5!
- threat
- 1.Rd1?
- threat
- 2.Rd4#
- 2.Qxd5#
- 1...Rc5
- 2.Sxd6#
- 2.Rd4#
- 1...Bc5
- 2.Qxd5#
- 1...Be5
- 2.Qxd5#
- 1...Bxb4+!
- threat
- 1.Rxd6?
- threat
- 2.Qxd5#
- 1...Rxd6
- 2.Sxd6#
- 1...Rc5!
- threat
- 1.Qg3?
- threat
- 2.Qd3#
- 1...Bxb4+
- 2.Rxb4#
- 1...fxg3
- 2.Se3#
- 1...d4
- 2.Qg8#
- 1...Sb2
- 2.Qxc3#
- 1...Sc5
- 2.Qxc3#
- 1...f3
- 2.Se3#
- 1...hxg3!
- threat
- 1.Qg4?
- threat
- 2.Se3#
- 1...Bxb4+
- 2.Rxb4#
- 1...d4
- 2.Qg8#
- 1...Bc5!
- threat
- 1.c8Q?
- threat
- 2.Sxd6#
- 1...Bxb4+
- 2.Rxb4#
- 1...Bxf8
- 2.Qxd5#
- 1...Bc5
- 2.Qxd5#
- 1...Be5
- 2.Qxd5#
- 1...Bc7
- 2.Qxd5#
- 1...Be7
- 2.Qxd5#
- 1...Bb8
- 2.Qxd5#
- 1...Sc5!
- threat
- 1.c8R?
- threat
- 2.Sxd6#
- 1...Bxb4+
- 2.Rxb4#
- 1...Bxf8
- 2.Qxd5#
- 1...Bc5
- 2.Qxd5#
- 1...Be5
- 2.Qxd5#
- 1...Bc7
- 2.Qxd5#
- 1...Be7
- 2.Qxd5#
- 1...Bb8
- 2.Qxd5#
- 1...Sc5!
- threat
- 1.Sxf4?
- Keys
- 1.Rb3!
- 1...Bxb4+
- 2.Rxb4#
- 1...Rxc7
- 2.Sxd6#
- 1...Bxc7
- 2.Qxd5#
- 1...Bxf8
- 2.Qxd5#
- 1...Rc5
- 2.Sxd6#
- 1...Bc5
- 2.Qxd5#
- 1...Be5
- 2.Qxd5#
- 1...Be7
- 2.Qxd5#
- 1...Sb2
- 2.Rxc3#
- 1...Sc5
- 2.Rxc3#
- 1...f3
- 2.Se3#
- 1...Bxb4+
- 1.Rb3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(i);N_GUARD,N_PINP(F)::S(G),XB(j)
- R(i);N_GUARD,XP(H)::S(G),XB(j)
- B(j);CHECK,OGATE,XP(F)::R1(A),XB(j)
- B(j);::QAB1(K),XP(g)
- B(j);N_PINP(F)::QAB1(K),XP(g)
- B(j);N_PINP(F),XP(H)::QAB1(K),XP(g)
- B(j);XB(J)::QAB1(K),XP(g)
- P(d);N_GUARD::S(G)
- Tries
- Try
- S(C);XP(d)
- Threat
- QAB1(K),XP(g)
- Vars
- B(j);CHECK,OGATE,XP(F)::R1(A),XB(j)
- Refutation
- R(i);N_PINP(F)
- Try
- R(A);
- Threat
- DUALS(2)
- Vars
- B(j);::QAB1(K),XP(g)
- B(j);N_PINP(F)::QAB1(K),XP(g)
- Refutation
- B(j);CHECK,XP(F)
- Try
- R(I);N_SPINP(F),XB(j)
- Threat
- QAB1(K),XP(g)
- Vars
- R(i);XR(I)::S(G),XR(i)
- Refutation
- R(i);
- Try
- Q(K);N_PINP(g)
- Threat
- QAB1(K)
- Vars
- B(j);CHECK,OGATE,XP(F)::R1(A),XB(j)
- P(d);N_GUARD,XQ(K)::S(G)
- P(g);OGATEB::QAB(K)
- S(b);N_GUARD::QAR1(K),XP(a)
- S(b);N_GUARD,N_PINP(F)::QAR1(K),XP(a)
- P(d);N_GUARD::S(G)
- Refutation
- P(e);XQ(K)
- Try
- Q(K);N_PINP(g),P_PINP(d)
- Threat
- S(G)
- Vars
- B(j);CHECK,OGATE,XP(F)::R1(A),XB(j)
- P(g);N_SPINP(d),OGATEB::QAB(K)
- Refutation
- B(j);
- Try
- P(H);P_PINR(i)
- Threat
- S(G),XB(j)
- Vars
- B(j);CHECK,OGATE,XP(F)::R1(A),XB(j)
- B(j);XB(J)::QAB1(K),XP(g)
- B(j);N_SPINR(i)::QAB1(K),XP(g)
- B(j);N_PINP(F)::QAB1(K),XP(g)
- B(j);N_PINP(F),N_SPINR(i)::QAB1(K),XP(g)
- B(j);::QAB1(K),XP(g)
- Refutation
- S(b);N_PINP(F),N_SPINR(i)
- Try
- P(H);P_PINR(i)
- Threat
- S(G),XB(j)
- Vars
- B(j);CHECK,OGATE,XP(F)::R1(A),XB(j)
- B(j);XB(J)::QAB1(K),XP(g)
- B(j);N_SPINR(i)::QAB1(K),XP(g)
- B(j);N_PINP(F)::QAB1(K),XP(g)
- B(j);N_PINP(F),N_SPINR(i)::QAB1(K),XP(g)
- B(j);::QAB1(K),XP(g)
- Refutation
- S(b);N_PINP(F),N_SPINR(i)
- Try
- Actual
- R(A);
- Vars
- B(j);CHECK,OGATE,XP(F)::R1(A),XB(j)
- R(i);N_GUARD,XP(H)::S(G),XB(j)
- B(j);N_PINP(F),XP(H)::QAB1(K),XP(g)
- B(j);XB(J)::QAB1(K),XP(g)
- R(i);N_GUARD,N_PINP(F)::S(G),XB(j)
- B(j);::QAB1(K),XP(g)
- B(j);N_PINP(F)::QAB1(K),XP(g)
- S(b);N_GUARD::R1(A),XP(a)
- S(b);N_GUARD,N_PINP(F)::R1(A),XP(a)
- P(d);N_GUARD::S(G)
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