MESON Chess Problem Database
Problem Display
PID: 229895 (3N3N/2p1p1B1/1pPk1n2/1p6/2bP4/2Q5/B6b/K2R4 w - - 0 1)
Onkoud, Abdelaziz
Zadachi i Etyudi, 2000
#2
9 + 8
SOLUTION
- SOUND
- Sets
- 1...Bf1
- 2.Sb7#
- 2.Sdf7#
- 2.Shf7#
- 2.Qb4#
- 1...Be2
- 2.Sb7#
- 2.Sdf7#
- 2.Shf7#
- 2.Qb4#
- 1...Bd3
- 2.Sb7#
- 2.Sdf7#
- 2.Shf7#
- 2.Qb4#
- 1...Bd5
- 2.Qb4#
- 1...Be6
- 2.Sb7#
- 2.Qb4#
- 1...Bf7
- 2.Sb7#
- 2.Sdxf7#
- 2.Shxf7#
- 2.Qb4#
- 1...Bg8
- 2.Sb7#
- 2.Qb4#
- 1...Sd5
- 2.Shf7#
- 1...Bf1
- Tries
- 1.Shf7+?
- 1...Bxf7
- 2.Sb7#
- 2.Sxf7#
- 2.Qb4#
- 1...Kd5!
- 1...Bxf7
- 1.Bxc4?
- threat
- 2.Shf7#
- 2.Qb4#
- 1...e5
- 2.Bf8#
- 2.Qb4#
- 1...e6
- 2.Bf8#
- 2.Qb4#
- 1...Se4
- 2.Shf7#
- 1...Sd5
- 2.Shf7#
- 1...Sd7
- 2.Shf7#
- 1...b4
- 2.Shf7#
- 2.Qxb4#
- 1...bxc4!
- threat
- 1.Qxc4?
- threat
- 2.Sb7#
- 2.Sdf7#
- 2.Shf7#
- 2.Qe6#
- 2.Qb4#
- 1...e5
- 2.Bf8#
- 2.Qe6#
- 2.Qb4#
- 1...e6
- 2.Bf8#
- 2.Qxe6#
- 2.Qb4#
- 1...Se4
- 2.Sb7#
- 2.Sdf7#
- 2.Shf7#
- 2.Qd5#
- 2.Qe6#
- 1...Sd5
- 2.Shf7#
- 2.Qxd5#
- 1...Sd7
- 2.Sb7#
- 2.Sdf7#
- 2.Shf7#
- 2.Qd5#
- 2.Qe6#
- 1...b4
- 2.Sb7#
- 2.Sdf7#
- 2.Shf7#
- 2.Qe6#
- 2.Qxb4#
- 1...bxc4!
- threat
- 1.Shf7+?
- Keys
- 1.d5!
- threat
- 2.Sb7#
- 1...Kc5
- 2.Sb7#
- 1...Bxd5
- 2.Shf7#
- 1...Sxd5
- 2.Qb4#
- 1...e5
- 2.Bf8#
- 2.Qb4#
- 1...e6
- 2.Bf8#
- threat
- 1.d5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- B(b);::QAB(D)
- S(f);SBLOCK,S_CUTB(b)::S(I)
- Tries
- Try
- S(I);CHECK
- Refutation
- K(e);P-FLIGHT,P_SPINB(b)
- Try
- B(C);XB(b)
- Threat
- DUALS(2)
- Vars
- S(f);::S(I)
- Refutation
- P(c);XB(C)
- Try
- Q(D);XB(b)
- Threat
- DUALS(5)
- Refutation
- P(c);XQ(D)
- Try
- Actual
- P(E);
- Threat
- S(H)
- Vars
- K(e);P_SPINB(b),S_FLIGHT::S(H)
- B(b);P_SPINB(b),XP(E)::S(I)
- S(f);P_SPINS(f),XP(E)::QAB(D)
- P(h);OGATEB::B(G)
Developed and maintained by Brian Stephenson.
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