MESON Chess Problem Database
Problem Display
PID: 97004 (8/Q7/8/3P4/1k1pnB1K/3B4/8/2N5 w - - 0 1)
Willemsens, Luis Cornelis
Problemas, 1956
#2
6 + 3
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Kc3
- 2.Qa3#
- 1...Sd2
- 2.Bxd2#
- 1...Sf2
- 2.Bd2#
- 1...Sc3
- 2.Bd6#
- 1...Sg3
- 2.Bd2#
- 1...Sc5
- 2.Bd2#
- 1...Sg5
- 2.Bd2#
- 1...Sd6
- 2.Bd2#
- 1...Sf6
- 2.Bd2#
- 1...Kc3
- Tries
- 1.Bg5?
- 1...Kc3
- 2.Qa3#
- 1...Sd2
- 2.Bxd2#
- 1...Sf2
- 2.Bd2#
- 1...Sc3
- 2.Be7#
- 1...Sg3
- 2.Bd2#
- 1...Sc5
- 2.Bd2#
- 1...Sd6
- 2.Bd2#
- 1...Sf6
- 2.Bd2#
- 1...Sxg5!
- 1...Kc3
- 1.Bh6?
- 1...Kc3
- 2.Qa3#
- 1...Sd2
- 2.Bxd2#
- 1...Sf2
- 2.Bd2#
- 1...Sc3
- 2.Bf8#
- 1...Sg3
- 2.Bd2#
- 1...Sc5
- 2.Bd2#
- 1...Sd6
- 2.Bd2#
- 1...Sf6
- 2.Bd2#
- 1...Sg5!
- 1...Kc3
- 1.Qxd4+?
- 1...Ka5
- 2.Sb3#
- 2.Bc7#
- 1...Ka3!
- 1...Ka5
- 1.Qb6+?
- 1...Ka3
- 2.Qb3#
- 1...Kc3
- 2.Qb3#
- 1...Ka4!
- 1...Ka3
- 1.Qb8+?
- 1...Ka3
- 2.Qb3#
- 1...Kc3
- 2.Qb3#
- 1...Ka5
- 2.Qb5#
- 1...Kc5
- 2.Qb5#
- 1...Ka4!
- 1...Ka3
- 1.Qa4+?
- 1...Kc3
- 2.Qb3#
- 2.Qa3#
- 1...Kc5
- 2.Qb5#
- 2.Qa5#
- 1...Kxa4!
- 1...Kc3
- 1.Qb7+?
- 1...Ka3
- 2.Qb3#
- 1...Kc3
- 2.Qb3#
- 1...Ka5
- 2.Qb5#
- 1...Kc5
- 2.Sb3#
- 2.Qb5#
- 1...Ka4!
- 1...Ka3
- 1.d6?
- 1...Kc3
- 2.Qa3#
- 1...Sxd6
- 2.Bd2#
- 1...Sd2
- 2.Bxd2#
- 1...Sf2
- 2.Bd2#
- 1...Sg3
- 2.Bd2#
- 1...Sc5
- 2.Bd2#
- 1...Sg5
- 2.Bd2#
- 1...Sf6
- 2.Bd2#
- 1...Sc3!
- 1...Kc3
- 1.Bg5?
- Keys
- 1.Qa1!
- 1...Kc5
- 2.Qa5#
- 1...Sd2
- 2.Bd6#
- 1...Sf2
- 2.Bd6#
- 1...Sc3
- 2.Bd6#
- 1...Sg3
- 2.Bd6#
- 1...Sc5
- 2.Bd2#
- 1...Sg5
- 2.Bd6#
- 1...Sd6
- 2.Bxd6#
- 1...Sf6
- 2.Bd6#
- 1...Kc5
- 1.Qa1!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 6
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- K(a);S_FLIGHT::QAR2(F)
- S(c);N_GUARD::B(C),XS(c)
- S(c);N_GUARD::B(C)
- S(c);N_GUARD,SBLOCK::B(C)
- Tries
- Try
- B(C);
- Vars
- K(a);S_FLIGHT::QAR2(F)
- S(c);N_GUARD::B(C),XS(c)
- S(c);N_GUARD::B(C)
- S(c);N_GUARD,SBLOCK::B(C)
- Refutation
- S(c);XB(C)
- Try
- B(C);
- Vars
- K(a);S_FLIGHT::QAR2(F)
- S(c);N_GUARD::B(C),XS(c)
- S(c);N_GUARD::B(C)
- S(c);N_GUARD,SBLOCK::B(C)
- Refutation
- S(c);
- Try
- Q(F);CHECK,XP(b)
- Refutation
- K(a);S_FLIGHT
- Try
- Q(F);CHECK
- Vars
- K(a);OGATE,S_FLIGHT::QAR1(F)
- Refutation
- K(a);P-FLIGHT
- Try
- Q(F);CHECK
- Vars
- K(a);OGATE,S_FLIGHT::QAR1(F)
- K(a);S_FLIGHT::QAR1(F)
- Refutation
- K(a);P-FLIGHT
- Try
- Q(F);CHECK
- Refutation
- K(a);P-FLIGHT,XQ(F)
- Try
- Q(F);CHECK
- Vars
- K(a);OGATE,S_FLIGHT::QAR1(F)
- K(a);S_FLIGHT::QAR1(F)
- Refutation
- K(a);P-FLIGHT
- Try
- P(E);
- Vars
- K(a);S_FLIGHT::QAR2(F)
- S(c);N_GUARD,XP(E)::B(C)
- S(c);N_GUARD::B(C),XS(c)
- S(c);N_GUARD::B(C)
- Refutation
- S(c);
- Try
- Actual
- Q(F);
- Vars
- K(a);S_FLIGHT::QAR2(F)
- S(c);N_GUARD::B(C)
- S(c);N_GUARD,SBLOCK::B(C)
- S(c);N_GUARD::B(C),XS(c)
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