MESON Chess Problem Database
Problem Display
PID: 261172 (2Q5/5K2/3R2P1/2bPp3/3k4/1p6/1N1B4/8 w - - 0 1)
Speckmann, Werner
Neue Zurcher Zeitung, 1963
#2
7 + 4
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Ke4
- 2.Qg4#
- 1...Ba3
- 2.Qc4#
- 1...Bb4
- 2.Qc4#
- 1...Bb6
- 2.Qc4#
- 1...Bxd6
- 2.Qc4#
- 1...Ba7
- 2.Qc4#
- 1...e4
- 2.Qh8#
- 1...Ke4
- Tries
- 1.Ke6?
- 1...Bxd6
- 2.Qc4#
- 1...Ba3
- 2.Qc4#
- 1...Bb4
- 2.Qc4#
- 1...Bb6
- 2.Qc4#
- 1...Ba7
- 2.Qc4#
- 1...e4
- 2.Qh8#
- 1...Ke4!
- 1...Bxd6
- 1.Kf6?
- 1...Ke4
- 2.Qg4#
- 1...Bxd6
- 2.Qc4#
- 1...Ba3
- 2.Qc4#
- 1...Bb4
- 2.Qc4#
- 1...Bb6
- 2.Qc4#
- 1...Ba7
- 2.Qc4#
- 1...e4!
- 1...Ke4
- 1.Ke7?
- 1...Ke4
- 2.Qg4#
- 1...Ba3
- 2.Qc4#
- 1...Bb4
- 2.Qc4#
- 1...Bb6
- 2.Qc4#
- 1...Ba7
- 2.Qc4#
- 1...e4
- 2.Qh8#
- 1...Bxd6+!
- 1...Ke4
- 1.Kg7?
- 1...Ke4
- 2.Qg4#
- 1...Bxd6
- 2.Qc4#
- 1...Ba3
- 2.Qc4#
- 1...Bb4
- 2.Qc4#
- 1...Bb6
- 2.Qc4#
- 1...Ba7
- 2.Qc4#
- 1...e4!
- 1...Ke4
- 1.Ke8?
- 1...Ke4
- 2.Qg4#
- 1...Bxd6
- 2.Qc4#
- 1...Ba3
- 2.Qc4#
- 1...Bb4
- 2.Qc4#
- 1...Bb6
- 2.Qc4#
- 1...Ba7
- 2.Qc4#
- 1...e4!
- 1...Ke4
- 1.Kg8?
- 1...Ke4
- 2.Qg4#
- 1...Bxd6
- 2.Qc4#
- 1...Ba3
- 2.Qc4#
- 1...Bb4
- 2.Qc4#
- 1...Bb6
- 2.Qc4#
- 1...Ba7
- 2.Qc4#
- 1...e4!
- 1...Ke4
- 1.Bg5?
- 1...Ke4
- 2.Qg4#
- 1...Bxd6
- 2.Qc4#
- 1...e4
- 2.Qh8#
- 1...Ba3
- 2.Qc4#
- 1...Bb4
- 2.Qc4#
- 1...Bb6
- 2.Qc4#
- 1...Ba7
- 2.Qc4#
- 1...Kc3!
- 1...Ke4
- 1.Bh6?
- 1...Ke4
- 2.Qg4#
- 1...Bxd6
- 2.Qc4#
- 1...e4
- 2.Qh8#
- 1...Ba3
- 2.Qc4#
- 1...Bb4
- 2.Qc4#
- 1...Bb6
- 2.Qc4#
- 1...Ba7
- 2.Qc4#
- 1...Kc3!
- 1...Ke4
- 1.Rd7?
- 1...Bd6
- 2.Qc4#
- 1...e4
- 2.Qh8#
- 1...Ba3
- 2.Qc4#
- 1...Bb4
- 2.Qc4#
- 1...Bb6
- 2.Qc4#
- 1...Ba7
- 2.Qc4#
- 1...Be7
- 2.Qc4#
- 1...Bf8
- 2.Qc4#
- 1...Ke4!
- 1...Bd6
- 1.Rd8?
- 1...Ke4
- 2.Qg4#
- 1...Bd6
- 2.Qc4#
- 1...Ba3
- 2.Qc4#
- 1...Bb4
- 2.Qc4#
- 1...Bb6
- 2.Qc4#
- 1...Ba7
- 2.Qc4#
- 1...Be7
- 2.Qc4#
- 1...Bf8
- 2.Qc4#
- 1...e4!
- 1...Ke4
- 1.Qh3?
- threat
- 2.Qd3#
- 2.Qe3#
- 1...Ke4
- 2.Qg4#
- 2.Qd3#
- 1...Ba3
- 2.Qe3#
- 1...Bb4
- 2.Qe3#
- 1...Bb6
- 2.Qe3#
- 1...Ba7
- 2.Qe3#
- 1...e4
- 2.Bc3#
- 2.Qc3#
- 2.Qh8#
- 1...Bxd6!
- threat
- 1.Qa6?
- threat
- 2.Qd3#
- 2.Qc4#
- 1...Ke4
- 2.Qd3#
- 1...Bxd6
- 2.Qc4#
- 1...Ba3
- 2.Qc4#
- 1...Bb4
- 2.Qc4#
- 1...Bb6
- 2.Qc4#
- 1...Ba7
- 2.Qc4#
- 1...e4!
- threat
- 1.g7?
- 1...Ke4
- 2.Qg4#
- 1...Bxd6
- 2.Qc4#
- 1...Ba3
- 2.Qc4#
- 1...Bb4
- 2.Qc4#
- 1...Bb6
- 2.Qc4#
- 1...Ba7
- 2.Qc4#
- 1...e4!
- 1...Ke4
- 1.Ke6?
- Keys
- 1.Bc1!
- 1...Kc3
- 2.Qxc5#
- 1...Ke4
- 2.Qg4#
- 1...Bxd6
- 2.Qc4#
- 1...e4
- 2.Qh8#
- 1...Ba3
- 2.Qc4#
- 1...Bb4
- 2.Qc4#
- 1...Bb6
- 2.Qc4#
- 1...Ba7
- 2.Qc4#
- 1...Kc3
- 1.Bc1!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- K(b);P-FLIGHT,S_CUTP(d)::QAR2(G)
- B(c);OGATE::QAR1(G)
- B(c);OGATE,XR(D)::QAR1(G)
- P(d);OGATEB,SBLOCK::QAB(G)
- Tries
- Try
- K(F);S_FLIGHT
- Vars
- B(c);OGATE,XR(D)::QAR1(G)
- B(c);OGATE::QAR1(G)
- P(d);OGATEB,SBLOCK::QAB(G)
- Refutation
- K(b);P-FLIGHT
- Try
- K(F);P-FLIGHT
- Vars
- K(b);P-FLIGHT,S_CUTP(d)::QAR2(G)
- B(c);OGATE,XR(D)::QAR1(G)
- B(c);OGATE::QAR1(G)
- Refutation
- P(d);
- Try
- K(F);P-FLIGHT,P_SPINR(D)
- Vars
- K(b);P-FLIGHT,S_CUTP(d)::QAR2(G)
- B(c);OGATE::QAR1(G)
- B(c);N_PINR(D),OGATE::QAR1(G)
- P(d);OGATEB,SBLOCK::QAB(G)
- Refutation
- B(c);CHECK,XR(D)
- Try
- K(F);P-FLIGHT
- Vars
- K(b);P-FLIGHT,S_CUTP(d)::QAR2(G)
- B(c);OGATE,XR(D)::QAR1(G)
- B(c);OGATE::QAR1(G)
- Refutation
- P(d);
- Try
- K(F);S_FLIGHT
- Vars
- K(b);P-FLIGHT,S_CUTP(d)::QAR2(G)
- B(c);OGATE,XR(D)::QAR1(G)
- B(c);OGATE::QAR1(G)
- Refutation
- P(d);
- Try
- K(F);S_FLIGHT
- Vars
- K(b);P-FLIGHT,S_CUTP(d)::QAR2(G)
- B(c);OGATE,XR(D)::QAR1(G)
- B(c);OGATE::QAR1(G)
- Refutation
- P(d);
- Try
- B(B);
- Vars
- K(b);N_GUARD,P-FLIGHT,S_CUTP(d)::QAR2(G)
- B(c);OGATE,XR(D)::QAR1(G)
- P(d);OGATEB,SBLOCK::QAB(G)
- B(c);OGATE::QAR1(G)
- Refutation
- K(b);P_SPINB(c),S_FLIGHT
- Try
- B(B);
- Vars
- K(b);N_GUARD,P-FLIGHT,S_CUTP(d)::QAR2(G)
- B(c);OGATE,XR(D)::QAR1(G)
- P(d);OGATEB,SBLOCK::QAB(G)
- B(c);OGATE::QAR1(G)
- Refutation
- K(b);P_SPINB(c),S_FLIGHT
- Try
- R(D);
- Vars
- B(c);OGATE::QAR1(G)
- P(d);OGATEB,SBLOCK::QAB(G)
- Refutation
- K(b);P-FLIGHT
- Try
- R(D);
- Vars
- K(b);P-FLIGHT,S_CUTP(d)::QAR2(G)
- B(c);OGATE::QAR1(G)
- Refutation
- P(d);
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- B(c);::QAB1(G)
- Refutation
- B(c);XR(D)
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- K(b);P-FLIGHT::QAB1(G)
- B(c);XR(D)::QAR1(G)
- B(c);::QAR1(G)
- Refutation
- P(d);
- Try
- P(E);
- Vars
- K(b);P-FLIGHT,S_CUTP(d)::QAR2(G)
- B(c);OGATE,XR(D)::QAR1(G)
- B(c);OGATE::QAR1(G)
- Refutation
- P(d);
- Try
- Actual
- B(B);
- Vars
- K(b);N_GUARD,P_SPINB(c),S_FLIGHT::QAR2(G),XB(c)
- K(b);N_GUARD,P-FLIGHT,S_CUTP(d)::QAR2(G)
- B(c);OGATE,XR(D)::QAR1(G)
- P(d);OGATEB,SBLOCK::QAB(G)
- B(c);OGATE::QAR1(G)
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