MESON Chess Problem Database
Problem Display
PID: 87387 (8/4p3/1N2P1B1/2P1k3/1P1N1b2/8/3P1R2/6QK w - - 0 1)
Vovan, Nguyen
Apprenti Sorcier, 1991
#2
10 + 3
| 3713 | Snap | 2009 |
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Kxd4
- 2.Qa1#
- 1...Kxd4
- Tries
- 1.Bb1?
- threat
- 2.Qg7#
- 1...Kf6
- 2.Sd7#
- 1...Bg3
- 2.Rf5#
- 1...Bg5
- 2.Rf5#
- 1...Bh6
- 2.Rf5#
- 1...Kxd4!
- threat
- 1.Bd3?
- threat
- 2.Qg7#
- 1...Kf6
- 2.Sd7#
- 1...Bg3
- 2.Rf5#
- 1...Bg5
- 2.Rf5#
- 1...Bh6
- 2.Rf5#
- 1...Kxd4!
- threat
- 1.Qb1?
- 1...Kxd4
- 2.Qe4#
- 2.Qa1#
- 2.Qb2#
- 1...Bxd2
- 2.Qe4#
- 1...Bg3
- 2.Qe4#
- 1...Bh2
- 2.Qe4#
- 1...Be3
- 2.Qe4#
- 1...Bg5
- 2.Qe4#
- 1...Bh6
- 2.Qe4#
- 1...Kf6!
- 1...Kxd4
- 1.Qe1+?
- 1...Kxd4
- 2.Rxf4#
- 2.Qa1#
- 2.Qe4#
- 1...Be3
- 2.Qxe3#
- 1...Kf6!
- 1...Kxd4
- 1.Qg2?
- 1...Kxd4
- 2.Qe4#
- 2.Qd5#
- 1...Bxd2
- 2.Qe4#
- 2.Qd5#
- 1...Bg3
- 2.Qe4#
- 2.Qd5#
- 1...Bh2
- 2.Qe4#
- 2.Qd5#
- 1...Be3
- 2.Qe4#
- 2.Qd5#
- 1...Bg5
- 2.Qe4#
- 2.Qd5#
- 1...Bh6
- 2.Qe4#
- 2.Qd5#
- 1...Kf6!
- 1...Kxd4
- 1.Qg4?
- threat
- 2.Qxf4#
- 1...Kxd4
- 2.Qxf4#
- 1...Bxd2
- 2.Sc6#
- 2.Rf5#
- 2.Qe4#
- 1...Bg3
- 2.Sc6#
- 2.Rf5#
- 2.Qe4#
- 1...Bh2
- 2.Sc6#
- 2.Rf5#
- 2.Qe4#
- 1...Be3
- 2.Sc6#
- 2.Rf5#
- 2.Qe4#
- 1...Bg5
- 2.Sc6#
- 2.Rf5#
- 2.Qe4#
- 1...Bh6
- 2.Sc6#
- 2.Rf5#
- 2.Qe4#
- 1...Kf6!
- threat
- 1.Qg5+?
- 1...Kxd4
- 2.Rxf4#
- 2.Qxf4#
- 2.Qd5#
- 1...Bxg5!
- 1...Kxd4
- 1.Bb1?
- Keys
- 1.Bc2!
- threat
- 2.Qg7#
- 1...Kxd4
- 2.Qa1#
- 1...Kf6
- 2.Sd7#
- 1...Bg3
- 2.Rf5#
- 1...Bg5
- 2.Rf5#
- 1...Bh6
- 2.Rf5#
- threat
- 1.Bc2!
Anticipated by 124368(1903)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- K(b);OGATEB,S_FLIGHT,XS(F)::QAB(A)
- Tries
- Try
- B(J);
- Threat
- QAB(A)
- Vars
- K(b);P_SPINB(a),S_FLIGHT::S(H)
- B(a);OGATE::R1(D)
- Refutation
- K(b);S_FLIGHT,XS(F)
- Try
- B(J);
- Threat
- QAB(A)
- Vars
- K(b);P_SPINB(a),S_FLIGHT::S(H)
- B(a);OGATE::R1(D)
- Refutation
- K(b);S_FLIGHT,XS(F)
- Try
- Q(A);
- Vars
- B(a);XP(C)::QAR1(A)
- B(a);::QAR1(A)
- Refutation
- K(b);P_SPINB(a),S_FLIGHT
- Try
- Q(A);CHECK
- Vars
- B(a);N_GUARD,P_SPINB(a)::QAR2(A),XB(a)
- Refutation
- K(b);P_SPINB(a),S_FLIGHT
- Try
- Q(A);
- Refutation
- K(b);P_SPINB(a),S_FLIGHT
- Try
- Q(A);
- Threat
- QAB1(A),XB(a)
- Vars
- K(b);P_SPINB(a),S_FLIGHT,XS(F)::QAR2(A),XB(a)
- Refutation
- K(b);P_SPINB(a),S_FLIGHT
- Try
- Q(A);CHECK
- Refutation
- B(a);XQ(A)
- Try
- Actual
- B(J);
- Threat
- QAB(A)
- Vars
- K(b);OGATEB,S_FLIGHT,XS(F)::QAB(A)
- K(b);P_SPINB(a),S_FLIGHT::S(H)
- B(a);OGATE::R1(D)
Developed and maintained by Brian Stephenson.
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