MESON Chess Problem Database
Problem Display
PID: 160228 (7B/8/3N4/p1Q5/P2N4/3p4/pppkpPp1/bqrBrbK1 w - - 0 1)
Willemsens, Luis Cornelis
Problem (Zagreb), 1956
#2
8 + 13
| 15148 | Sadier Collection | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Rcxd1
- 2.Sb3#
- 1...Rexd1
- 2.Sf3#
- 2.Qxa5#
- 1...cxd1Q
- 2.Sf3#
- 2.Se4#
- 1...cxd1S
- 2.Sb3#
- 2.Sf3#
- 2.Se4#
- 1...cxd1B
- 2.Sf3#
- 2.Se4#
- 1...cxd1R
- 2.Sb3#
- 2.Sf3#
- 2.Se4#
- 1...exd1Q
- 2.Qxa5#
- 1...exd1B
- 2.Qxa5#
- 1...exd1R
- 2.Qxa5#
- 1...Rcxd1
- Tries
- 1.Qc3+?
- 1...Kxd1
- 2.Qxd3#
- 1...Kxc3!
- 1...Kxd1
- 1.Qb5?
- 1...Kxd1
- 2.Qxd3#
- 1...Kc3
- 2.Sb3#
- 2.Sf3#
- 2.Se4#
- 2.Qxa5#
- 1...Rcxd1
- 2.Sb3#
- 1...Rexd1
- 2.Sf3#
- 2.Qxa5#
- 1...cxd1Q
- 2.Se4#
- 1...cxd1S
- 2.Se4#
- 1...cxd1B
- 2.Se4#
- 1...cxd1R
- 2.Se4#
- 1...exd1Q
- 2.Qxa5#
- 1...exd1B
- 2.Qxa5#
- 1...exd1R
- 2.Qxa5#
- 1...exd1S!
- 1...Kxd1
- 1.Qe5?
- 1...Kc3
- 2.Qxa5#
- 1...Rcxd1
- 2.Sb3#
- 1...Rexd1
- 2.Sf3#
- 2.Qxa5#
- 1...cxd1Q
- 2.Se4#
- 1...cxd1S
- 2.Se4#
- 1...cxd1B
- 2.Se4#
- 1...cxd1R
- 2.Se4#
- 1...exd1Q
- 2.Sb3#
- 2.Qxa5#
- 1...exd1S
- 2.Sb3#
- 2.Sf3#
- 1...exd1B
- 2.Sb3#
- 2.Qxa5#
- 1...exd1R
- 2.Sb3#
- 2.Sf3#
- 2.Qxa5#
- 1...Kxd1!
- 1...Kc3
- 1.Qf5?
- 1...Kxd1
- 2.Qxd3#
- 1...Kc3
- 2.Qxa5#
- 1...Rcxd1
- 2.Sb3#
- 1...Rexd1
- 2.Sf3#
- 2.Qxa5#
- 1...cxd1Q
- 2.Se4#
- 1...cxd1S
- 2.Se4#
- 1...cxd1B
- 2.Se4#
- 1...cxd1R
- 2.Se4#
- 1...exd1Q
- 2.Qxa5#
- 1...exd1B
- 2.Qxa5#
- 1...exd1R
- 2.Qxa5#
- 1...exd1S!
- 1...Kxd1
- 1.Qg5+?
- 1...Kc3
- 2.Qxa5#
- 1...Kxd1!
- 1...Kc3
- 1.Qh5?
- 1...Kc3
- 2.Qxa5#
- 1...Rcxd1
- 2.Sb3#
- 1...Rexd1
- 2.Sf3#
- 2.Qxa5#
- 1...cxd1Q
- 2.Se4#
- 1...cxd1S
- 2.Se4#
- 1...cxd1B
- 2.Se4#
- 1...cxd1R
- 2.Se4#
- 1...exd1Q
- 2.Sb3#
- 2.Qxa5#
- 1...exd1S
- 2.Sb3#
- 1...exd1B
- 2.Sb3#
- 2.Qxa5#
- 1...exd1R
- 2.Sb3#
- 2.Qxa5#
- 1...Kxd1!
- 1...Kc3
- 1.Qc3+?
- Keys
- 1.Qa3!
- 1...Kxd1
- 2.Qxd3#
- 1...Rcxd1
- 2.Sb3#
- 1...Rexd1
- 2.Sf3#
- 1...cxd1Q
- 2.Se4#
- 1...cxd1S
- 2.Se4#
- 1...cxd1B
- 2.Se4#
- 1...cxd1R
- 2.Se4#
- 1...exd1Q
- 2.Sc4#
- 1...exd1S
- 2.Sc4#
- 1...exd1B
- 2.Sc4#
- 1...exd1R
- 2.Sc4#
- 1...Kxd1
- 1.Qa3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 3
- ADDED MATES = 7
- REMOVED MATES = 0
- Sets
- R(c);SBLOCK,XB(A)::S(E)
- P(j);SBLOCK,XB(A)::QAB(F),XP(m)
- Tries
- Try
- Q(F);CHECK
- Vars
- K(i);P-FLIGHT,XB(A)::QAR2(F),XP(l)
- Refutation
- K(i);S_FLIGHT,XQ(F)
- Try
- Q(F);
- Vars
- K(i);P-FLIGHT,XB(A)::QAR2(F),XP(l)
- R(c);SBLOCK,XB(A)::S(E)
- P(h);SBLOCK,XB(A)::S(G)
- P(j);SBLOCK,XB(A)::QAB(F),XP(m)
- Refutation
- P(j);XB(A)
- Try
- Q(F);
- Vars
- K(i);S_FLIGHT::QAB(F),XP(m)
- R(c);SBLOCK,XB(A)::S(E)
- P(h);SBLOCK,XB(A)::S(G)
- Refutation
- K(i);P-FLIGHT,XB(A)
- Try
- Q(F);
- Vars
- K(i);P-FLIGHT,XB(A)::QAR2(F),XP(l)
- K(i);S_FLIGHT::QAB(F),XP(m)
- R(c);SBLOCK,XB(A)::S(E)
- P(h);SBLOCK,XB(A)::S(G)
- P(j);SBLOCK,XB(A)::QAB(F),XP(m)
- Refutation
- P(j);XB(A)
- Try
- Q(F);CHECK
- Vars
- K(i);S_FLIGHT::QAB(F),XP(m)
- Refutation
- K(i);P-FLIGHT,XB(A)
- Try
- Q(F);
- Vars
- K(i);S_FLIGHT::QAB(F),XP(m)
- R(c);SBLOCK,XB(A)::S(E)
- P(h);SBLOCK,XB(A)::S(G)
- P(j);XB(A)::S(E)
- Refutation
- K(i);P-FLIGHT,P_SPINP(j),XB(A)
- Try
- Actual
- Q(F);
- Vars
- K(i);P-FLIGHT,XB(A)::QAR2(F),XP(l)
- R(c);SBLOCK,XB(A)::S(E)
- R(d);SBLOCK,XB(A)::S(E)
- P(h);SBLOCK,XB(A)::S(G)
- P(j);SBLOCK,XB(A)::S(G)
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