MESON Chess Problem Database
Problem Display
PID: 81477 (8/8/4pP2/1P1kp1K1/3B4/1N6/1N6/1Q6 w - - 0 1)
Hahnel, Peter
Mainzer Allgemeine Zeitung, 1994
#2
7 + 3
| 6114 | Problemschach-Jahrbuch (1994) | 1995 |
SOLUTION
- SOUND
- Tries
- 1.Bc3?
- threat
- 2.Qd3#
- 1...e4
- 2.Qd1#
- 1...Kd6!
- threat
- 1.Bb6?
- threat
- 2.Qd3#
- 1...Kd6
- 2.Qd3#
- 2.Qd1#
- 1...e4!
- threat
- 1.Qc2?
- threat
- 2.Qc6#
- 1...Kd6
- 2.Qc6#
- 1...exd4!
- threat
- 1.Qd3?
- threat
- 2.Bg1#
- 2.Bf2#
- 2.Bc3#
- 2.Be3#
- 2.Bc5#
- 2.Bb6#
- 2.Ba7#
- 1...Kd6
- 2.Bb6#
- 1...exd4
- 2.Qxd4#
- 1...e4!
- threat
- 1.Qe4+?
- 1...Kd6
- 2.Qc6#
- 1...Kxe4!
- 1...Kd6
- 1.Qc1?
- threat
- 2.Qc6#
- 1...Ke4
- 2.Qh1#
- 2.Qc6#
- 1...Kd6
- 2.Qc6#
- 1...exd4!
- threat
- 1.Qh1+?
- 1...Kd6
- 2.Qc6#
- 1...e4!
- 1...Kd6
- 1.Bc3?
- Keys
- 1.Qd1!
- 1...Ke4
- 2.Qh1#
- 1...Kd6
- 2.Bb6#
- 1...exd4
- 2.Qxd4#
- 1...e4
- 2.Bc3#
- 1...Ke4
- 1.Qd1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- Tries
- Try
- B(D);
- Threat
- QAR2(A)
- Vars
- P(b);SBLOCK::QAR(A)
- Refutation
- K(a);P-FLIGHT
- Try
- B(D);
- Threat
- QAR2(A)
- Refutation
- P(b);
- Try
- Q(A);
- Threat
- QAB1(A)
- Vars
- K(a);P-FLIGHT::QAR1(A)
- Refutation
- P(b);XB(D)
- Try
- Q(A);
- Threat
- DUALS(7)
- Vars
- K(a);P-FLIGHT::QAR(A)+B(D)
- P(b);OGATE,P_SPINP(b),XB(D)::QAR1(A),XP(b)
- Refutation
- P(b);
- Try
- Q(A);CHECK
- Vars
- K(a);OGATE,P-FLIGHT::QAR1(A)
- Refutation
- K(a);S_FLIGHT,XQ(A)
- Try
- Q(A);
- Threat
- QAB1(A)
- Vars
- K(a);P-FLIGHT::QAR1(A)
- Refutation
- P(b);XB(D)
- Try
- Q(A);CHECK
- Vars
- K(a);OGATE,P-FLIGHT::QAR1(A)
- Refutation
- P(b);P_SPINP(b)
- Try
- Actual
- Q(A);
- Vars
- K(a);S_FLIGHT::QAB(A)
- K(a);P-FLIGHT::QAR(A)+B(D)
- P(b);OGATE,P_SPINP(b),XB(D)::QAR1(A),XP(b)
- P(b);SBLOCK::QAR(A)+B(D)
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