MESON Chess Problem Database
Problem Display
PID: 76793 (8/8/K1Q5/2p5/1k6/2n5/1PB5/2R5 w - - 0 1)
Butwillo, Brother
The Tablet, 1945
(First published on Sat May 26 1945)
#2
5 + 3
| 15239 | Valois Notebooks | 2016 |
SOLUTION
- SOUND
- Sets
- 1...Sb1
- 2.Qa4#
- 2.Qb5#
- 1...Sd1
- 2.Qa4#
- 2.Qb5#
- 1...Sa2
- 2.Qa4#
- 2.Qb5#
- 1...Se2
- 2.Qa4#
- 2.Qb5#
- 1...Sa4
- 2.Qxa4#
- 2.Qb5#
- 1...Se4
- 2.Qa4#
- 2.Qb5#
- 1...Sb5
- 2.Qxb5#
- 1...Sd5
- 2.Qa4#
- 2.Qb5#
- 1...c4
- 2.Qd6#
- 1...Sb1
- Tries
- 1.Kb6?
- threat
- 2.Qxc5#
- 1...Sa4+
- 2.Qxa4#
- 1...Kc4
- 2.Qxc5#
- 1...Se4
- 2.Qa4#
- 2.Qb5#
- 1...c4
- 2.Qc5#
- 2.Qd6#
- 1...Sd5+!
- threat
- 1.Bb3?
- 1...Sb1
- 2.Qa4#
- 2.Qb5#
- 2.Qb7#
- 2.Qb6#
- 1...Sd1
- 2.Qa4#
- 2.Qb5#
- 2.Qb7#
- 2.Qb6#
- 1...Sa2
- 2.Qa4#
- 2.Qb5#
- 2.Qb7#
- 2.Qb6#
- 1...Se2
- 2.Qa4#
- 2.Qb5#
- 2.Qb7#
- 2.Qb6#
- 1...Sa4
- 2.Qxa4#
- 2.Qb5#
- 1...Se4
- 2.Qa4#
- 2.Qb5#
- 2.Qb7#
- 2.Qb6#
- 1...Sb5
- 2.Qxb5#
- 1...Sd5
- 2.Qa4#
- 2.Qb5#
- 1...c4
- 2.Qxc4#
- 1...Kxb3!
- 1...Sb1
- 1.Bd3?
- 1...Sb5
- 2.Qxb5#
- 1...Sb1
- 2.Qb5#
- 1...Sd1
- 2.Qb5#
- 1...Sa2
- 2.Qb5#
- 1...Se2
- 2.Qb5#
- 1...Sa4
- 2.Qb5#
- 1...Se4
- 2.Qb5#
- 1...Sd5
- 2.Qb5#
- 1...c4
- 2.Qxc4#
- 1...Kb3!
- 1...Sb5
- 1.Ba4?
- 1...Kc4
- 2.Qe4#
- 1...Sxa4
- 2.Qb5#
- 1...Sb1
- 2.Qb5#
- 1...Sd1
- 2.Qb5#
- 1...Sa2
- 2.Qb5#
- 1...Se2
- 2.Qb5#
- 1...Se4
- 2.Qb5#
- 1...Sb5
- 2.Qxb5#
- 1...Sd5
- 2.Qb5#
- 1...c4!
- 1...Kc4
- 1.Ra1?
- 1...c4
- 2.Qd6#
- 1...Sb1
- 2.Ra4#
- 2.Qa4#
- 2.Qb5#
- 1...Sd1
- 2.Ra4#
- 2.Qa4#
- 2.Qb5#
- 1...Sa2
- 2.Qa4#
- 2.Qb5#
- 1...Se2
- 2.Ra4#
- 2.Qa4#
- 2.Qb5#
- 1...Sa4
- 2.Rxa4#
- 2.Qxa4#
- 2.Qb5#
- 1...Se4
- 2.Ra4#
- 2.Qa4#
- 2.Qb5#
- 1...Sb5
- 2.Ra4#
- 2.Qxb5#
- 1...Sd5
- 2.Ra4#
- 2.Qa4#
- 2.Qb5#
- 1...Kc4!
- 1...c4
- 1.Rb1?
- 1...Sxb1
- 2.Qa4#
- 2.Qb5#
- 1...c4
- 2.Qd6#
- 1...Sd1
- 2.Qa4#
- 2.Qb5#
- 1...Sa2
- 2.Qa4#
- 2.Qb5#
- 1...Se2
- 2.Qa4#
- 2.Qb5#
- 1...Sa4
- 2.Qxa4#
- 2.Qb5#
- 1...Se4
- 2.Qa4#
- 2.Qb5#
- 1...Sb5
- 2.Qxb5#
- 1...Sd5
- 2.Qa4#
- 2.Qb5#
- 1...Kc4!
- 1...Sxb1
- 1.Rd1?
- 1...Sxd1
- 2.Qa4#
- 2.Qb5#
- 1...c4
- 2.Qd6#
- 1...Sb1
- 2.Qa4#
- 2.Qb5#
- 1...Sa2
- 2.Qa4#
- 2.Qb5#
- 1...Se2
- 2.Qa4#
- 2.Qb5#
- 1...Sa4
- 2.Qxa4#
- 2.Qb5#
- 1...Se4
- 2.Qa4#
- 2.Qb5#
- 1...Sb5
- 2.Qxb5#
- 1...Sd5
- 2.Qa4#
- 2.Qb5#
- 1...Kc4!
- 1...Sxd1
- 1.Re1?
- 1...c4
- 2.Qd6#
- 1...Sb1
- 2.Qa4#
- 2.Qb5#
- 1...Sd1
- 2.Qa4#
- 2.Qb5#
- 1...Sa2
- 2.Qa4#
- 2.Qb5#
- 1...Se2
- 2.Qa4#
- 2.Qb5#
- 1...Sa4
- 2.Qxa4#
- 2.Qb5#
- 1...Se4
- 2.Qa4#
- 2.Qb5#
- 1...Sb5
- 2.Qxb5#
- 1...Sd5
- 2.Qa4#
- 2.Qb5#
- 1...Kc4!
- 1...c4
- 1.Rf1?
- 1...c4
- 2.Qd6#
- 1...Sb1
- 2.Qa4#
- 2.Qb5#
- 1...Sd1
- 2.Qa4#
- 2.Qb5#
- 1...Sa2
- 2.Qa4#
- 2.Qb5#
- 1...Se2
- 2.Qa4#
- 2.Qb5#
- 1...Sa4
- 2.Qxa4#
- 2.Qb5#
- 1...Se4
- 2.Qa4#
- 2.Qb5#
- 1...Sb5
- 2.Qxb5#
- 1...Sd5
- 2.Qa4#
- 2.Qb5#
- 1...Kc4!
- 1...c4
- 1.Rg1?
- 1...c4
- 2.Qd6#
- 1...Sb1
- 2.Qa4#
- 2.Qb5#
- 1...Sd1
- 2.Qa4#
- 2.Qb5#
- 1...Sa2
- 2.Qa4#
- 2.Qb5#
- 1...Se2
- 2.Qa4#
- 2.Qb5#
- 1...Sa4
- 2.Qxa4#
- 2.Qb5#
- 1...Se4
- 2.Qa4#
- 2.Qb5#
- 1...Sb5
- 2.Qxb5#
- 1...Sd5
- 2.Qa4#
- 2.Qb5#
- 1...Kc4!
- 1...c4
- 1.Rh1?
- 1...c4
- 2.Qd6#
- 1...Sb1
- 2.Qa4#
- 2.Qb5#
- 1...Sd1
- 2.Qa4#
- 2.Qb5#
- 1...Sa2
- 2.Qa4#
- 2.Qb5#
- 1...Se2
- 2.Qa4#
- 2.Qb5#
- 1...Sa4
- 2.Qxa4#
- 2.Qb5#
- 1...Se4
- 2.Qa4#
- 2.Qb5#
- 1...Sb5
- 2.Qxb5#
- 1...Sd5
- 2.Qa4#
- 2.Qb5#
- 1...Kc4!
- 1...c4
- 1.Qf3?
- threat
- 2.Qxc3#
- 1...c4
- 2.Qf8#
- 1...Sb1
- 2.Qb3#
- 1...Sd1
- 2.Qb3#
- 1...Sa2
- 2.Qb3#
- 1...Se2
- 2.Qb3#
- 1...Sa4
- 2.Qb3#
- 1...Se4
- 2.Qb3#
- 1...Sb5
- 2.Qb3#
- 1...Sd5
- 2.Qb3#
- 1...Kc4!
- threat
- 1.Qe4+?
- 1...c4
- 2.Qe7#
- 1...Sxe4!
- 1...c4
- 1.Qd5?
- threat
- 2.Qb3#
- 1...c4
- 2.Qa5#
- 2.Qd6#
- 1...Sxd5!
- threat
- 1.Qb7+?
- 1...Sb5
- 2.Qxb5#
- 1...Kc4!
- 1...Sb5
- 1.Qd7?
- 1...c4
- 2.Qd6#
- 2.Qe7#
- 1...Sb1
- 2.Qa4#
- 2.Qb5#
- 1...Sd1
- 2.Qa4#
- 2.Qb5#
- 1...Sa2
- 2.Qa4#
- 2.Qb5#
- 1...Se2
- 2.Qa4#
- 2.Qb5#
- 1...Sa4
- 2.Qxa4#
- 2.Qb5#
- 1...Se4
- 2.Qa4#
- 2.Qb5#
- 1...Sb5
- 2.Qxb5#
- 1...Sd5
- 2.Qa4#
- 2.Qb5#
- 1...Kc4!
- 1...c4
- 1.Qe8?
- 1...c4
- 2.Qe7#
- 2.Qf8#
- 1...Sb1
- 2.Qa4#
- 2.Qb5#
- 1...Sd1
- 2.Qa4#
- 2.Qb5#
- 1...Sa2
- 2.Qa4#
- 2.Qb5#
- 1...Se2
- 2.Qa4#
- 2.Qb5#
- 1...Sa4
- 2.Qxa4#
- 2.Qb5#
- 1...Se4
- 2.Qa4#
- 2.Qb5#
- 1...Sb5
- 2.Qxb5#
- 1...Sd5
- 2.Qa4#
- 2.Qb5#
- 1...Kc4!
- 1...c4
- 1.Qb6+?
- 1...Sb5
- 2.Qxb5#
- 1...Kc4!
- 1...Sb5
- 1.Qe6?
- threat
- 2.Qb3#
- 1...c4
- 2.Qd6#
- 2.Qe7#
- 1...Sd5!
- threat
- 1.Kb6?
- Keys
- 1.Bd1!
- 1...Kc4
- 2.Qe4#
- 1...Sxd1
- 2.Qb5#
- 1...Sb1
- 2.Qa4#
- 2.Qb5#
- 2.Qb7#
- 2.Qxc5#
- 2.Qb6#
- 1...Sa2
- 2.Qa4#
- 2.Qb5#
- 2.Qb7#
- 2.Qxc5#
- 2.Qb6#
- 1...Se2
- 2.Qa4#
- 2.Qb5#
- 2.Qb7#
- 2.Qxc5#
- 2.Qb6#
- 1...Sa4
- 2.Qxa4#
- 2.Qb5#
- 1...Se4
- 2.Qa4#
- 2.Qb5#
- 2.Qb7#
- 2.Qb6#
- 1...Sb5
- 2.Qxb5#
- 2.Qxc5#
- 1...Sd5
- 2.Qa4#
- 2.Qb5#
- 2.Qxc5#
- 1...c4
- 2.Qd6#
- 1...Kc4
- 1.Bd1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- S(a);N_GUARD::QAR1(E),XS(a)
- P(c);OGATEB,SBLOCK::QAB(E)
- Tries
- Try
- K(D);P-FLIGHT
- Threat
- QAB1(E),XP(c)
- Vars
- S(a);CHECK,N_GUARD::QAR1(E),XS(a)
- K(b);P-FLIGHT,P_SPINP(c)::QAR1(E),XP(c)
- Refutation
- S(a);CHECK
- Try
- B(C);
- Vars
- S(a);N_GUARD::QAR1(E),XS(a)
- P(c);OGATE::QAR1(E),XP(c)
- Refutation
- K(b);P-FLIGHT,XB(C)
- Try
- B(C);
- Vars
- S(a);N_GUARD::QAR1(E),XS(a)
- S(a);N_GUARD::QAR1(E)
- P(c);OGATE::QAR1(E),XP(c)
- Refutation
- K(b);P-FLIGHT
- Try
- B(C);
- Vars
- K(b);P-FLIGHT,P_SPINP(c),P_SPINS(a)::QAR2(E)
- S(a);N_GUARD,XB(C)::QAR1(E)
- S(a);N_GUARD::QAR1(E)
- S(a);N_GUARD::QAR1(E),XS(a)
- Refutation
- P(c);
- Try
- R(A);
- Vars
- P(c);OGATEB,SBLOCK::QAB(E)
- Refutation
- K(b);P-FLIGHT,P_SPINP(c)
- Try
- R(A);
- Vars
- P(c);OGATEB,SBLOCK::QAB(E)
- S(a);N_GUARD::QAR1(E),XS(a)
- Refutation
- K(b);P-FLIGHT,P_SPINP(c)
- Try
- R(A);
- Vars
- P(c);OGATEB,SBLOCK::QAB(E)
- S(a);N_GUARD::QAR1(E),XS(a)
- Refutation
- K(b);P-FLIGHT,P_SPINP(c)
- Try
- R(A);
- Vars
- P(c);OGATEB,SBLOCK::QAB(E)
- S(a);N_GUARD::QAR1(E),XS(a)
- Refutation
- K(b);P-FLIGHT,P_SPINP(c)
- Try
- R(A);
- Vars
- P(c);OGATEB,SBLOCK::QAB(E)
- S(a);N_GUARD::QAR1(E),XS(a)
- Refutation
- K(b);P-FLIGHT,P_SPINP(c)
- Try
- R(A);
- Vars
- P(c);OGATEB,SBLOCK::QAB(E)
- S(a);N_GUARD::QAR1(E),XS(a)
- Refutation
- K(b);P-FLIGHT,P_SPINP(c)
- Try
- R(A);
- Vars
- P(c);OGATEB,SBLOCK::QAB(E)
- S(a);N_GUARD::QAR1(E),XS(a)
- Refutation
- K(b);P-FLIGHT,P_SPINP(c)
- Try
- Q(E);
- Threat
- QAB1(E),XS(a)
- Vars
- P(c);OGATEB,SBLOCK::QAB(E)
- S(a);OGATE::QAR1(E)
- Refutation
- K(b);P-FLIGHT
- Try
- Q(E);CHECK
- Vars
- P(c);OGATEB,P_SPINP(c),SBLOCK::QAB(E)
- Refutation
- S(a);XQ(E)
- Try
- Q(E);
- Threat
- QAR1(E)
- Refutation
- S(a);XQ(E)
- Try
- Q(E);CHECK
- Vars
- S(a);N_GUARD,P_SPINS(a)::QAR1(E),XS(a)
- Refutation
- K(b);P-FLIGHT
- Try
- Q(E);
- Vars
- S(a);N_GUARD::QAR1(E),XS(a)
- Refutation
- K(b);P-FLIGHT
- Try
- Q(E);
- Vars
- S(a);N_GUARD::QAR1(E),XS(a)
- Refutation
- K(b);P-FLIGHT
- Try
- Q(E);CHECK
- Vars
- S(a);N_GUARD,P_SPINS(a)::QAR1(E),XS(a)
- Refutation
- K(b);P-FLIGHT
- Try
- Q(E);
- Threat
- QAR1(E)
- Refutation
- S(a);
- Try
- Actual
- B(C);
- Vars
- K(b);P-FLIGHT,P_SPINP(c),P_SPINS(a)::QAR2(E)
- S(a);N_GUARD,XB(C)::QAR1(E)
- P(c);OGATEB,SBLOCK::QAB(E)
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