MESON Chess Problem Database
Problem Display
PID: 4723 (n1Q5/8/r2k1P2/b2P4/3PK3/8/8/8 w - - 0 1)
Ehrenstein, Moritz
Wilkes-Barre Record, 1888
#2
5 + 4
| 15 | British Chess Magazine | 1911 |
| 2638 | White to Play | 1913 |
| 934 | Social Chess Quarterly (The) | 1934 |
| 5454 | Near Snap | 2015 |
SOLUTION
- SOUND
- Sets
- 1...Rb6
- 2.Qd8#
- 1...Rc6
- 2.Qxc6#
- 1...Ra7
- 2.Qc6#
- 1...Be1
- 2.Qd8#
- 1...Bd2
- 2.Qd8#
- 1...Bc3
- 2.Qd8#
- 1...Bb4
- 2.Qd8#
- 1...Bb6
- 2.Qc6#
- 1...Bc7
- 2.Qe6#
- 1...Bd8
- 2.Qxd8#
- 1...Sb6
- 2.Qc6#
- 1...Sc7
- 2.Qd8#
- 1...Rb6
- Tries
- 1.Kd3?
- 1...Rb6
- 2.Qd8#
- 1...Rc6
- 2.Qxc6#
- 1...Ra7
- 2.Qc6#
- 1...Be1
- 2.Qd8#
- 1...Bd2
- 2.Qd8#
- 1...Bc3
- 2.Qd8#
- 1...Bb4
- 2.Qd8#
- 1...Bb6
- 2.Qc6#
- 1...Bc7
- 2.Qe6#
- 1...Bd8
- 2.Qxd8#
- 1...Sb6
- 2.Qc6#
- 1...Sc7
- 2.Qd8#
- 1...Kxd5!
- 1...Rb6
- 1.Kf3?
- 1...Rb6
- 2.Qd8#
- 1...Rc6
- 2.Qxc6#
- 1...Ra7
- 2.Qc6#
- 1...Be1
- 2.Qd8#
- 1...Bd2
- 2.Qd8#
- 1...Bc3
- 2.Qd8#
- 1...Bb4
- 2.Qd8#
- 1...Bb6
- 2.Qc6#
- 1...Bc7
- 2.Qe6#
- 1...Bd8
- 2.Qxd8#
- 1...Sb6
- 2.Qc6#
- 1...Sc7
- 2.Qd8#
- 1...Kxd5!
- 1...Rb6
- 1.Qe8?
- threat
- 2.Qe7#
- 1...Ra7
- 2.Qc6#
- 1...Bd8
- 2.Qxd8#
- 1...Kc7!
- threat
- 1.f7?
- threat
- 2.f8Q#
- 2.f8B#
- 1...Ke7
- 2.f8Q#
- 1...Rb6
- 2.Qd8#
- 2.f8Q#
- 2.f8B#
- 1...Rc6
- 2.f8Q#
- 2.f8B#
- 1...Be1
- 2.Qd8#
- 2.f8Q#
- 2.f8B#
- 1...Bd2
- 2.Qd8#
- 2.f8Q#
- 2.f8B#
- 1...Bc3
- 2.Qd8#
- 2.f8Q#
- 2.f8B#
- 1...Bb4
- 2.Qd8#
- 2.f8Q#
- 2.f8B#
- 1...Bb6
- 2.f8Q#
- 2.f8B#
- 1...Bc7
- 2.Qe6#
- 2.f8Q#
- 2.f8B#
- 1...Bd8
- 2.Qxd8#
- 1...Sb6
- 2.f8Q#
- 2.f8B#
- 1...Sc7
- 2.Qd8#
- 2.f8Q#
- 2.f8B#
- 1...Ra7!
- threat
- 1.Kd3?
- Keys
- 1.Kf5!
- 1...Kxd5
- 2.Qc5#
- 1...Rb6
- 2.Qd8#
- 1...Rc6
- 2.Qxc6#
- 1...Ra7
- 2.Qc6#
- 1...Be1
- 2.Qd8#
- 1...Bd2
- 2.Qd8#
- 1...Bc3
- 2.Qd8#
- 1...Bb4
- 2.Qd8#
- 1...Bb6
- 2.Qc6#
- 1...Bc7
- 2.Qe6#
- 1...Bd8
- 2.Qxd8#
- 1...Sb6
- 2.Qc6#
- 1...Sc7
- 2.Qd8#
- 1...Kxd5
- 1.Kf5!
This anticipates 1056(1999)
There are these versions: 40470
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(b);S_CUTB(a)::QAR2(E)
- R(b);N_GUARD::QAR1(E),XR(b)
- R(b);N_GUARD::QAR1(E)
- B(a);N_GUARD::QAR2(E)
- B(a);S_CUTR(b)::QAR1(E)
- B(a);SBLOCK::QAR1(E)
- B(a);N_GUARD::QAR2(E),XB(a)
- S(d);S_CUTR(b)::QAR1(E)
- S(d);S_CUTB(a)::QAR2(E)
- Tries
- Try
- K(B);S_FLIGHT
- Vars
- R(b);S_CUTB(a)::QAR2(E)
- R(b);N_GUARD::QAR1(E),XR(b)
- R(b);N_GUARD::QAR1(E)
- B(a);N_GUARD::QAR2(E)
- B(a);S_CUTR(b)::QAR1(E)
- B(a);SBLOCK::QAR1(E)
- B(a);N_GUARD::QAR2(E),XB(a)
- S(d);S_CUTR(b)::QAR1(E)
- S(d);S_CUTB(a)::QAR2(E)
- Refutation
- K(c);P-FLIGHT,XP(C)
- Try
- K(B);S_FLIGHT
- Vars
- R(b);S_CUTB(a)::QAR2(E)
- R(b);N_GUARD::QAR1(E),XR(b)
- R(b);N_GUARD::QAR1(E)
- B(a);N_GUARD::QAR2(E)
- B(a);S_CUTR(b)::QAR1(E)
- B(a);SBLOCK::QAR1(E)
- B(a);N_GUARD::QAR2(E),XB(a)
- S(d);S_CUTR(b)::QAR1(E)
- S(d);S_CUTB(a)::QAR2(E)
- Refutation
- K(c);P-FLIGHT,XP(C)
- Try
- Q(E);
- Threat
- QAB1(E)
- Vars
- R(b);N_GUARD::QAR1(E)
- B(a);N_GUARD::QAR2(E),XB(a)
- Refutation
- K(c);S_FLIGHT
- Try
- P(D);
- Threat
- P=Q
- Vars
- K(c);S_FLIGHT::P=Q
- R(b);::P=Q
- B(a);::P=Q
- B(a);N_GUARD::QAR2(E),XB(a)
- S(d);::P=Q
- Refutation
- R(b);
- Try
- Actual
- K(B);S_FLIGHT
- Vars
- K(c);P-FLIGHT,XP(C)::QAR1(E)
- R(b);S_CUTB(a)::QAR2(E)
- R(b);N_GUARD::QAR1(E),XR(b)
- R(b);N_GUARD::QAR1(E)
- B(a);N_GUARD::QAR2(E)
- B(a);S_CUTR(b)::QAR1(E)
- B(a);SBLOCK::QAR1(E)
- B(a);N_GUARD::QAR2(E),XB(a)
- S(d);S_CUTR(b)::QAR1(E)
- S(d);S_CUTB(a)::QAR2(E)
Developed and maintained by Brian Stephenson.
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