MESON Chess Problem Database
Problem Display
PID: 80716 (4N3/6N1/4P3/1p1pkp2/bp6/p3P1n1/1r1P1PK1/B1Q3b1 w - - 0 1)
Onkoud, Abdelaziz
8th Comm., Liberte-Dimanche, 1997-1998
#2
9 + 10
SOLUTION
- SOUND
- Sets
- 1...Se4
- 2.d4#
- 2.f4#
- 1...Se4
- Tries
- 1.Kf3?
- threat
- 2.Qc7#
- 2.d4#
- 1...d4
- 2.Qc5#
- 1...Bc2
- 2.d4#
- 1...Se2
- 2.Qc7#
- 1...Se4
- 2.d4#
- 1...Bd1+!
- threat
- 1.Qxb2+?
- 1...Ke4
- 2.Qd4#
- 1...d4
- 2.Qxd4#
- 1...axb2!
- 1...Ke4
- 1.Qc3+?
- 1...Ke4
- 2.Sd6#
- 2.Sf6#
- 2.Qd4#
- 2.d3#
- 2.f3#
- 1...d4
- 2.Qxd4#
- 1...bxc3!
- 1...Ke4
- 1.Qc5?
- threat
- 2.Qd4#
- 1...Ke4
- 2.Qd4#
- 1...Se2!
- threat
- 1.f3?
- threat
- 2.Qc7#
- 1...d4
- 2.Qc5#
- 1...Bc2
- 2.d4#
- 1...Se4
- 2.f4#
- 1...Bxe3!
- threat
- 1.Kf3?
- Keys
- 1.d3!
- threat
- 2.Qc7#
- 1...d4
- 2.Qc5#
- 1...Bc2
- 2.f4#
- 1...Se4
- 2.d4#
- threat
- 1.d3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Tries
- Try
- K(E);S_FLIGHT
- Threat
- DUALS(2)
- Vars
- P(h);N_SPINR(b),OGATEB::QAR2(B)
- B(e);::P(C)
- S(d);::QAB(B)
- S(d);::P(C)
- Refutation
- B(e);CHECK
- Try
- Q(B);CHECK,XR(b)
- Vars
- K(i);P-FLIGHT::QAR1(B)
- P(h);P_SPINP(h)::QAB1(B),XP(h)
- Refutation
- P(c);P_SPINP(c),XQ(B)
- Try
- Q(B);CHECK,N_PINR(b)
- Vars
- P(h);P_SPINP(h)::QAB1(B),XP(h)
- Refutation
- P(f);XQ(B)
- Try
- Q(B);P_PINP(h)
- Threat
- QAB1(B)
- Vars
- K(i);N_SPINP(h),N_SPINR(b),P-FLIGHT::QAR1(B)
- Refutation
- S(d);
- Try
- P(D);P_SPINP(C)
- Threat
- QAB(B)
- Vars
- P(h);N_SPINR(b),OGATEB::QAR2(B)
- B(e);N_PINP(C)::P(C)
- S(d);SBLOCK::P(D)
- Refutation
- B(a);XP(F)
- Try
- Actual
- P(C);P_SPINP(D)
- Threat
- QAB(B)
- Vars
- P(h);N_SPINR(b),OGATEB::QAR2(B)
- B(e);N_PINP(D)::P(D)
- S(d);SBLOCK::P(C)
Developed and maintained by Brian Stephenson.
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