MESON Chess Problem Database
Problem Display
PID: 276353 (2n5/B3pq2/R4p2/3bkBp1/1N1pp1P1/1Q5n/3N3K/5R2 w - - 0 1)
Olszewski, Peter
Phenix, 2003
#2
9 + 10
SOLUTION
- SOUND
- Sets
- 1...Qh5
- 2.Qxd5#
- 1...Qg6
- 2.Qxd5#
- 1...Qe8
- 2.Qxd5#
- 1...Qg7
- 2.Qxd5#
- 1...Qh7
- 2.Qxd5#
- 1...Qf8
- 2.Qxd5#
- 1...Sg1
- 2.Qg3#
- 1...Sf2
- 2.Qg3#
- 1...Sb6
- 2.Bb8#
- 1...d3
- 2.Qb2#
- 2.Qc3#
- 1...e3
- 2.Sd3#
- 1...Qh5
- Tries
- 1.Sf3+?
- 1...exf3
- 2.Sd3#
- 1...Kf4!
- 1...exf3
- 1.Sc6+?
- 1...Kd6
- 2.Qb8#
- 1...Bxc6!
- 1...Kd6
- 1.Re1?
- threat
- 2.Sd3#
- 1...Kf4
- 2.Qg3#
- 1...Bxb3
- 2.Rxe4#
- 1...Sb6
- 2.Bb8#
- 1...Bc4
- 2.Rxe4#
- 1...Sf2
- 2.Qg3#
- 1...Sf4
- 2.Sf3#
- 1...d3
- 2.Sxd3#
- 1...Bc6!
- threat
- 1.Qc3?
- threat
- 2.Bxd4#
- 2.Qxd4#
- 1...Sxa7
- 2.Qc7#
- 1...Bc6
- 2.Qxd4#
- 1...Sf2
- 2.Qg3#
- 1...Sb6
- 2.Bb8#
- 2.Qc7#
- 1...dxc3!
- threat
- 1.Qd3?
- threat
- 2.Bxd4#
- 2.Qxd4#
- 1...exd3
- 2.Sxd3#
- 1...Bc6
- 2.Qxd4#
- 1...Sf2
- 2.Qg3#
- 1...Sb6
- 2.Bb8#
- 1...Sxa7!
- threat
- 1.Qe3?
- threat
- 2.Sf3#
- 2.Sd3#
- 2.Bxd4#
- 2.Qxd4#
- 1...Sxa7
- 2.Sf3#
- 2.Sd3#
- 1...Bc6
- 2.Qxd4#
- 1...Sb6
- 2.Bb8#
- 1...Ba2
- 2.Sf3#
- 2.Bxd4#
- 2.Qxd4#
- 2.Qxe4#
- 1...Bb3
- 2.Sf3#
- 2.Bxd4#
- 2.Qxd4#
- 2.Qxe4#
- 1...Bc4
- 2.Sf3#
- 2.Bxd4#
- 2.Qxd4#
- 2.Qxe4#
- 1...Be6
- 2.Sf3#
- 2.Bxd4#
- 2.Qxd4#
- 2.Qxe4#
- 1...Bb7
- 2.Sf3#
- 2.Bxd4#
- 2.Qxd4#
- 1...Ba8
- 2.Sf3#
- 2.Bxd4#
- 2.Qxd4#
- 1...Sg1
- 2.Sd3#
- 2.Bxd4#
- 2.Qxd4#
- 2.Qg3#
- 1...Sf2
- 2.Sf3#
- 2.Bxd4#
- 2.Qg3#
- 1...Sf4
- 2.Sf3#
- 2.Bxd4#
- 2.Qxd4#
- 1...d3
- 2.Sf3#
- 2.Sxd3#
- 2.Bd4#
- 2.Qd4#
- 1...dxe3!
- threat
- 1.Sf3+?
- Keys
- 1.Ra5!
- threat
- 2.Sc4#
- 1...Kd6
- 2.Bb8#
- 1...Sf2
- 2.Qg3#
- 1...Sb6
- 2.Bb8#
- 1...Sd6
- 2.Sc6#
- threat
- 1.Ra5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 8
- Sets
- Q(i);N_GUARD::QAR1(D),XB(d)
- S(a);N_GUARD::QAB(D)
- S(j);N_GUARD::B(I)
- P(c);N_GUARD::S(E)
- Tries
- Try
- S(B);CHECK
- Vars
- P(c);XS(B)::S(E)
- Refutation
- K(e);S_FLIGHT
- Try
- S(E);CHECK
- Vars
- K(e);S_FLIGHT::QAB(D)
- Refutation
- B(d);XS(E)
- Try
- R(A);P_PINP(c)
- Threat
- S(E)
- Vars
- K(e);N_SPINP(c),S_CUTS(a),S_FLIGHT::QAB1(D)
- B(d);N_GUARD,XQ(D)::R1(A),XP(c)
- S(j);N_GUARD::B(I)
- B(d);N_GUARD::R1(A),XP(c)
- S(a);N_GUARD::QAB(D)
- S(a);SBLOCK::S(B)
- P(b);::S(E),XP(b)
- Refutation
- B(d);
- Try
- Q(D);P_PINP(b)
- Threat
- DUALS(2)
- Vars
- S(j);N_GUARD,XB(I)::QAB(D)
- B(d);::QAB1(D),XP(b)
- S(a);N_GUARD::QAB(D)
- Refutation
- P(b);N_SPINP(b),XQ(D)
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- P(c);XQ(D)::S(E),XP(c)
- B(d);::QAB1(D),XP(b)
- S(a);N_GUARD::QAB(D)
- S(j);N_GUARD::B(I)
- Refutation
- S(j);XB(I)
- Try
- Q(D);P_PINP(c)
- Threat
- DUALS(4)
- Vars
- B(d);::QAB1(D),XP(b)
- S(j);N_GUARD::B(I)
- Refutation
- P(b);N_SPINP(c),XQ(D)
- Try
- Actual
- R(H);P_PINB(d)
- Threat
- S(B)
- Vars
- K(e);N_SPINB(d),S_CUTS(j),S_FLIGHT::B(I)
- S(a);N_GUARD::QAB(D)
- S(j);N_GUARD::B(I)
- S(j);SBLOCK::S(E)
Developed and maintained by Brian Stephenson.
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