MESON Chess Problem Database
Problem Display
PID: 237679 (2R5/p3P3/1bB1pK2/pQNpN3/P2kp1bR/8/8/n1B4n w - - 0 1)
Doukhan, Gerard
Variantim, 2019
#2
10 + 10
SOLUTION
- SOUND
- Sets
- 1...Kc3
- 2.Qb2#
- 1...Bxc5
- 2.Qb2#
- 1...e3
- 2.Bb2#
- 1...Kc3
- Tries
- 1.Sxe4?
- threat
- 2.Qd3#
- 1...Kxe4
- 2.Rxg4#
- 2.Qd3#
- 1...dxe4
- 2.Qc4#
- 1...Be2
- 2.Qb2#
- 1...Sf2!
- threat
- 1.Sa6?
- threat
- 2.Qb2#
- 1...Kc3
- 2.Qb2#
- 1...e3
- 2.Qd3#
- 1...Sb3!
- threat
- 1.Sxe6+?
- 1...Kc3
- 2.Qb2#
- 1...Bxe6!
- 1...Kc3
- 1.Sb7?
- threat
- 2.Qb2#
- 1...Kc3
- 2.Qb2#
- 1...e3
- 2.Qd3#
- 1...Sb3!
- threat
- 1.Scd7?
- threat
- 2.Qb2#
- 1...Kc3
- 2.Qb2#
- 1...e3
- 2.Qd3#
- 1...Sb3!
- threat
- 1.Bb7?
- threat
- 2.Qb2#
- 1...Kc3
- 2.Qb2#
- 1...Sb3
- 2.Sxb3#
- 1...Bc7!
- threat
- 1.Bd7?
- threat
- 2.Qb2#
- 1...Kc3
- 2.Qb2#
- 1...Sb3
- 2.Sxb3#
- 1...Bc7!
- threat
- 1.Ba8?
- threat
- 2.Qb2#
- 1...Kc3
- 2.Qb2#
- 1...Sb3
- 2.Sxb3#
- 1...Bc7!
- threat
- 1.Be8?
- threat
- 2.Qb2#
- 1...Kc3
- 2.Qb2#
- 1...Sb3
- 2.Sxb3#
- 1...Bc7!
- threat
- 1.Qd3+?
- 1...Kxc5
- 2.Ba3#
- 1...exd3!
- 1...Kxc5
- 1.Qxa5?
- threat
- 2.Qb4#
- 1...Bxc5
- 2.Qd2#
- 1...Be2
- 2.Sxe6#
- 1...Sc2
- 2.Sb3#
- 1...Bxa5!
- threat
- 1.Sxe4?
- Keys
- 1.Bxd5!
- threat
- 2.Qc4#
- 1...Kc3
- 2.Qc4#
- 2.Qb2#
- 1...Kxd5
- 2.Qd7#
- 1...exd5
- 2.Qb2#
- 1...Be2
- 2.Sxe6#
- threat
- 1.Bxd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 3
- Sets
- K(c);S_FLIGHT::QAB1(D)
- B(h);SBLOCK,XS(E)::QAB(D)
- P(d);P_SPINB(e),SBLOCK::B(A)
- Tries
- Try
- S(E);XP(d)
- Threat
- QAR1(D)
- Vars
- P(g);N_GUARD,XS(E)::QAR1(D)
- B(e);::QAB(D)
- Refutation
- S(b);
- Try
- S(E);
- Threat
- QAB(D)
- Vars
- K(c);S_FLIGHT::QAB1(D)
- P(d);N_GUARD,P_SPINB(e)::QAR1(D)
- Refutation
- S(a);
- Try
- S(E);CHECK,XP(i)
- Vars
- K(c);S_FLIGHT::QAB1(D)
- Refutation
- B(e);P_SPINP(d),XS(E)
- Try
- S(E);
- Threat
- QAB(D)
- Vars
- K(c);S_FLIGHT::QAB1(D)
- P(d);N_GUARD,P_SPINB(e)::QAR1(D)
- Refutation
- S(a);
- Try
- S(E);
- Threat
- QAB(D)
- Vars
- K(c);S_FLIGHT::QAB1(D)
- P(d);N_GUARD,P_SPINB(e)::QAR1(D)
- Refutation
- S(a);
- Try
- B(G);
- Threat
- QAB(D)
- Vars
- K(c);S_FLIGHT::QAB1(D)
- S(a);N_GUARD::S(E),XS(a)
- Refutation
- B(h);
- Try
- B(G);
- Threat
- QAB(D)
- Vars
- K(c);S_FLIGHT::QAB1(D)
- S(a);N_GUARD::S(E),XS(a)
- Refutation
- B(h);
- Try
- B(G);
- Threat
- QAB(D)
- Vars
- K(c);S_FLIGHT::QAB1(D)
- S(a);N_GUARD::S(E),XS(a)
- Refutation
- B(h);
- Try
- B(G);
- Threat
- QAB(D)
- Vars
- K(c);S_FLIGHT::QAB1(D)
- S(a);N_GUARD::S(E),XS(a)
- Refutation
- B(h);
- Try
- Q(D);CHECK
- Vars
- K(c);S_FLIGHT,XS(E)::B(A)
- Refutation
- P(d);P_SPINB(e),XQ(D)
- Try
- Q(D);XP(f)
- Threat
- QAR2(D)
- Vars
- B(h);SBLOCK,XS(E)::QAR2(D)
- B(e);N_GUARD,P_SPINP(d)::S(E),XP(i)
- S(a);N_GUARD::S(E)
- Refutation
- B(h);XQ(D)
- Try
- Actual
- B(G);XP(g)
- Threat
- QAR1(D)
- Vars
- K(c);OGATEB,P-FLIGHT,XB(G)::QAR2(D)
- P(i);SBLOCK,XB(G)::QAB(D)
- B(e);N_GUARD,P_SPINP(d)::S(E),XP(i)
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