MESON Chess Problem Database
Problem Display
PID: 158154 (5R1n/5P1p/R1B2rkP/1pp2N2/6PB/3Q1n2/8/K7 w - - 0 1)
Avner, Uri
Variantim, 2005
#2
10 + 7
| 15148 | Sadier Collection | 2016 |
SOLUTION
- SOUND
- Sets
- 1...Rxf5
- 2.Bxf3#
- 2.Be4#
- 2.Bxb5#
- 2.Bd5#
- 2.Bb7#
- 2.Bd7#
- 2.Ba8#
- 2.Be8#
- 1...Rxc6
- 2.Rxc6#
- 1...Rd6
- 2.Qxd6#
- 1...Rxf7
- 2.Be8#
- 1...Sxf7
- 2.Rg8#
- 1...Rxf5
- Tries
- 1.Se3+?
- 1...Rf5
- 2.Bxf3#
- 2.Be4#
- 2.Bxb5#
- 2.Bd5#
- 2.Bb7#
- 2.Bd7#
- 2.Ba8#
- 2.Be8#
- 1...Kxh6!
- 1...Rf5
- 1.Sg3+?
- 1...Rf5
- 2.Bxf3#
- 2.Be4#
- 2.Bxb5#
- 2.Bd5#
- 2.Bb7#
- 2.Bd7#
- 2.Ba8#
- 2.Be8#
- 1...Kxh6!
- 1...Rf5
- 1.Sd4+?
- 1...Rf5
- 2.Bxf3#
- 2.Be4#
- 2.Bxb5#
- 2.Bd5#
- 2.Bb7#
- 2.Bd7#
- 2.Ba8#
- 2.Be8#
- 1...Kxh6!
- 1...Rf5
- 1.Sg7+?
- 1...Rf5
- 2.Bxf3#
- 2.Be4#
- 2.Bxb5#
- 2.Bd5#
- 2.Bb7#
- 2.Bd7#
- 2.Ba8#
- 2.Be8#
- 1...Kxh6!
- 1...Rf5
- 1.Bxf3?
- threat
- 2.Rxf6#
- 1...Re6
- 2.Rxe6#
- 1...Rb6
- 2.Rxb6#
- 1...Rc6
- 2.Rxc6#
- 1...Rd6
- 2.Rxd6#
- 2.Qxd6#
- 1...Rxa6+!
- threat
- 1.Bd5?
- threat
- 2.Rxf6#
- 2.Rg8#
- 1...Sxh4
- 2.Rg8#
- 1...Re6
- 2.Rxe6#
- 1...Rb6
- 2.Rxb6#
- 2.Rg8#
- 1...Rc6
- 2.Rxc6#
- 2.Rg8#
- 1...Rd6
- 2.Rxd6#
- 2.Rg8#
- 1...Sg5
- 2.Rg8#
- 1...Rxa6+!
- threat
- 1.Be8?
- threat
- 2.Rxf6#
- 2.Rg8#
- 1...Sxh4
- 2.Rg8#
- 1...Re6
- 2.Rxe6#
- 2.Rg8#
- 1...Rb6
- 2.Rxb6#
- 2.Rg8#
- 1...Rc6
- 2.Rxc6#
- 2.Rg8#
- 1...Rd6
- 2.Rxd6#
- 2.Rg8#
- 2.Qxd6#
- 1...Sg5
- 2.Rg8#
- 1...Rxa6+!
- threat
- 1.Qc4?
- threat
- 2.Rg8#
- 1...Rxf5
- 2.Be4#
- 1...Rxf7
- 2.Be8#
- 1...Re6
- 2.Qxe6#
- 1...bxc4!
- threat
- 1.Qb3?
- threat
- 2.Rg8#
- 1...Rxf5
- 2.Be4#
- 1...Rxf7
- 2.Be8#
- 1...Re6
- 2.Qxe6#
- 1...c4!
- threat
- 1.Qd5?
- threat
- 2.Rg8#
- 1...Rxf7
- 2.Be8#
- 1...Re6
- 2.Qxe6#
- 1...Rxf5!
- threat
- 1.Qd7?
- threat
- 2.Rg8#
- 1...Rxf5
- 2.Be4#
- 1...Rxf7!
- threat
- 1.Se3+?
- Keys
- 1.Qe3!
- threat
- 2.Se7#
- 1...Rxf5
- 2.Be4#
- 1...Rxf7
- 2.Be8#
- 1...Re6
- 2.Qxe6#
- 1...Sg5
- 2.Qxg5#
- threat
- 1.Qe3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 3
- Sets
- R(d);OGATE,P_SPINR(d),XB(G)::R(F),XR(d)
- R(d);OGATEB::QAR(B),XR(d)
- R(d);OGATEB,XP(I)::R(F)+B(G)
- S(g);SBLOCK,XP(I)::R(J)
- Tries
- Try
- S(E);CHECK
- Refutation
- K(e);P-FLIGHT,XP(H)
- Try
- S(E);CHECK
- Refutation
- K(e);P-FLIGHT,XP(H)
- Try
- S(E);CHECK
- Refutation
- K(e);P-FLIGHT,XP(H)
- Try
- S(E);CHECK
- Refutation
- K(e);P-FLIGHT,XP(H)
- Try
- B(G);P_PINR(d),XS(a)
- Threat
- R1(F),XR(d)
- Vars
- R(d);OGATEB::R(F),XR(d)
- Refutation
- R(d);CHECK,N_SPINR(d),XR(F)
- Try
- B(G);P_PINR(d)
- Threat
- DUALS(2)
- Vars
- S(a);XB(D)::R(J)
- R(d);OGATEB::R(F),XR(d)
- S(a);::R(J)
- Refutation
- R(d);CHECK,N_SPINR(d),XR(F)
- Try
- B(G);P_PINR(d)
- Threat
- DUALS(2)
- Vars
- S(a);XB(D)::R(J)
- S(a);::R(J)
- Refutation
- R(d);CHECK,N_SPINR(d),XR(F)
- Try
- Q(B);
- Threat
- R(J)
- Vars
- R(d);OGATEB,XS(E)::R(F)+B(G)
- R(d);OGATEB,XP(I)::R(F)+B(G)
- R(d);OGATEB::QAR2(B),XR(d)
- Refutation
- P(b);XQ(B)
- Try
- Q(B);
- Threat
- R(J)
- Vars
- R(d);OGATEB,XS(E)::R(F)+B(G)
- R(d);OGATEB,XP(I)::R(F)+B(G)
- R(d);OGATEB::QAR2(B),XR(d)
- Refutation
- P(c);
- Try
- Q(B);
- Threat
- R(J)
- Vars
- R(d);OGATEB,XP(I)::R(F)+B(G)
- R(d);OGATEB::QAR2(B),XR(d)
- Refutation
- R(d);XS(E)
- Try
- Q(B);
- Threat
- R(J)
- Vars
- R(d);OGATEB,XS(E)::R(F)+B(G)
- Refutation
- R(d);XP(I)
- Try
- Actual
- Q(B);
- Threat
- S(E)
- Vars
- R(d);OGATEB,XS(E)::R(F)+B(G)
- R(d);OGATEB,XP(I)::R(F)+B(G)
- R(d);OGATEB::QAR2(B),XR(d)
- S(a);N_GUARD::QAR1(B),XS(a)
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