MESON Chess Problem Database
Problem Display
PID: 148236 (5b1B/R3p1n1/B3p1R1/1Q6/5k2/8/4K2P/8 w - - 0 1)
Aloni, Yoel
Comm., Israel Ring Ty., 1988
#2
7 + 5
| 721 | Variantim | 1990 |
| 15148 | Sadier Collection | 2015 |
SOLUTION
- SOUND
- Sets
- 1...Ke4
- 2.Rg4#
- 1...Sf5
- 2.Qe5#
- 1...Sh5
- 2.Qe5#
- 1...Se8
- 2.Qe5#
- 1...Ke4
- Tries
- 1.Kf2?
- 1...Ke4
- 2.Rg4#
- 1...Sf5
- 2.Qe5#
- 1...Sh5
- 2.Qe5#
- 1...Se8
- 2.Qe5#
- 1...e5!
- 1...Ke4
- 1.Bb7?
- threat
- 2.Ra4#
- 2.Qg5#
- 1...Sf5
- 2.Be5#
- 2.Qe5#
- 1...e5!
- threat
- 1.Bxg7?
- threat
- 2.Qe5#
- 1...Ke4
- 2.Rg4#
- 2.Qe5#
- 1...e5
- 2.Qxe5#
- 1...Bxg7!
- threat
- 1.Rg1?
- 1...Ke4
- 2.Rg4#
- 1...Sf5
- 2.Qe5#
- 1...Sh5
- 2.Qe5#
- 1...Se8
- 2.Qe5#
- 1...e5!
- 1...Ke4
- 1.Rg2?
- 1...Ke4
- 2.Rg4#
- 1...Sf5
- 2.Qe5#
- 1...Sh5
- 2.Qe5#
- 1...Se8
- 2.Qe5#
- 1...e5!
- 1...Ke4
- 1.Rg3?
- 1...Ke4
- 2.Rg4#
- 1...Sf5
- 2.Qe5#
- 1...Sh5
- 2.Qe5#
- 1...Se8
- 2.Qe5#
- 1...e5!
- 1...Ke4
- 1.Rg5?
- threat
- 2.Qe5#
- 1...Ke4
- 2.Rg4#
- 2.Qa4#
- 2.Qc4#
- 2.Qb4#
- 2.Qe5#
- 1...e5
- 2.Qxe5#
- 1...Sf5!
- threat
- 1.Rb7?
- 1...Ke4
- 2.Rg4#
- 1...Sf5
- 2.Qe5#
- 1...Sh5
- 2.Qe5#
- 1...Se8
- 2.Qe5#
- 1...e5!
- 1...Ke4
- 1.Rc7?
- threat
- 2.Rc4#
- 1...Ke4
- 2.Rg4#
- 2.Rc4#
- 1...Sf5
- 2.Qe5#
- 1...e5!
- threat
- 1.Rd7?
- threat
- 2.Rd4#
- 1...Ke4
- 2.Rg4#
- 1...Sf5
- 2.Qe5#
- 1...e5!
- threat
- 1.Rxe7?
- 1...Ke4
- 2.Rg4#
- 1...e5
- 2.Qxe5#
- 1...Sf5
- 2.Qe5#
- 1...Sh5
- 2.Qe5#
- 1...Se8
- 2.Qe5#
- 1...Bxe7!
- 1...Ke4
- 1.Ra8?
- 1...Ke4
- 2.Rg4#
- 1...Sf5
- 2.Qe5#
- 1...Sh5
- 2.Qe5#
- 1...Se8
- 2.Qe5#
- 1...e5!
- 1...Ke4
- 1.Qd3?
- 1...Sf5
- 2.Qf3#
- 1...Sh5
- 2.Qf3#
- 1...Se8
- 2.Qf3#
- 1...e5
- 2.Qf3#
- 1...Ke5!
- 1...Sf5
- 1.Qa5?
- 1...Ke4
- 2.Rg4#
- 1...Sf5
- 2.Qe5#
- 1...Sh5
- 2.Qe5#
- 1...Se8
- 2.Qe5#
- 1...e5!
- 1...Ke4
- 1.Qc5?
- 1...Ke4
- 2.Rg4#
- 1...Sf5
- 2.Qe5#
- 1...Sh5
- 2.Qe5#
- 1...Se8
- 2.Qe5#
- 1...e5!
- 1...Ke4
- 1.Qd5?
- 1...e5
- 2.Qf3#
- 1...Sf5
- 2.Be5#
- 2.Qf3#
- 2.Qe5#
- 1...Sh5
- 2.Qf3#
- 2.Qe5#
- 1...Se8
- 2.Qf3#
- 2.Qe5#
- 1...exd5!
- 1...e5
- 1.Qh5?
- threat
- 2.Rg4#
- 1...Ke4
- 2.Rg4#
- 1...Sxh5!
- threat
- 1.h3?
- threat
- 2.Rg4#
- 1...Ke4
- 2.Rg4#
- 1...e5!
- threat
- 1.h4?
- 1...Ke4
- 2.Rg4#
- 1...Sf5
- 2.Qe5#
- 1...Sh5
- 2.Qe5#
- 1...Se8
- 2.Qe5#
- 1...e5!
- 1...Ke4
- 1.Kf2?
- Keys
- 1.Bc8!
- threat
- 2.Ra4#
- 1...Ke4
- 2.Rg4#
- 2.Ra4#
- 1...Sf5
- 2.Qe5#
- 1...e5
- 2.Rg4#
- threat
- 1.Bc8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 3
- Sets
- K(a);P-FLIGHT::R(E)
- S(d);::QAB1(C)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- K(a);P-FLIGHT::R(E)
- S(d);::QAB1(C)
- Refutation
- P(b);
- Try
- B(D);
- Threat
- DUALS(2)
- Refutation
- P(b);
- Try
- B(G);XS(d)
- Threat
- QAB1(C)
- Vars
- P(b);::QAB1(C),XP(b)
- Refutation
- B(e);XB(G)
- Try
- R(E);
- Vars
- K(a);P-FLIGHT::R(E)
- S(d);::QAB1(C)
- Refutation
- P(b);
- Try
- R(E);
- Vars
- K(a);P-FLIGHT::R(E)
- S(d);::QAB1(C)
- Refutation
- P(b);
- Try
- R(E);
- Vars
- K(a);P-FLIGHT::R(E)
- S(d);::QAB1(C)
- Refutation
- P(b);
- Try
- R(E);
- Threat
- QAB1(C)
- Vars
- P(b);::QAB1(C),XP(b)
- Refutation
- S(d);
- Try
- R(F);
- Vars
- K(a);P-FLIGHT::R(E)
- S(d);::QAB1(C)
- Refutation
- P(b);
- Try
- R(F);
- Threat
- R(F)
- Vars
- S(d);::QAB1(C)
- Refutation
- P(b);
- Try
- R(F);
- Threat
- R(F)
- Vars
- K(a);P-FLIGHT::R(E)
- S(d);::QAB1(C)
- Refutation
- P(b);
- Try
- R(F);XP(c)
- Vars
- K(a);P-FLIGHT,P_SPINP(b)::R(E)
- P(b);::QAB1(C),XP(b)
- S(d);::QAB1(C)
- Refutation
- B(e);XR(F)
- Try
- R(F);
- Vars
- K(a);P-FLIGHT::R(E)
- S(d);::QAB1(C)
- Refutation
- P(b);
- Try
- Q(C);
- Vars
- S(d);SBLOCK::QAR1(C)
- S(d);::QAR1(C)
- P(b);SBLOCK::QAR1(C)
- Refutation
- K(a);P_SPINS(d),S_FLIGHT
- Try
- Q(C);
- Vars
- K(a);P-FLIGHT::R(E)
- S(d);::QAB1(C)
- Refutation
- P(b);
- Try
- Q(C);
- Vars
- K(a);P-FLIGHT::R(E)
- S(d);::QAB1(C)
- Refutation
- P(b);
- Try
- Q(C);
- Vars
- P(b);SBLOCK::QAR1(C)
- Refutation
- P(b);XQ(C)
- Try
- Q(C);
- Threat
- R1(E)
- Vars
- K(a);P-FLIGHT::R(E)
- Refutation
- S(d);XQ(C)
- Try
- P(B);
- Threat
- R1(E)
- Vars
- K(a);P-FLIGHT::R(E)
- Refutation
- P(b);
- Try
- P(B);
- Vars
- K(a);P-FLIGHT::R(E)
- S(d);::QAB1(C)
- Refutation
- P(b);
- Try
- Actual
- B(D);
- Threat
- R(F)
- Vars
- S(d);::QAB1(C)
- P(b);::R1(E)
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