MESON Chess Problem Database
Problem Display
PID: 55889 (5K2/1p6/1Pb1Pp2/2Q1P1NR/RN3k2/2p2p1P/2BrqP2/2B5 w - - 0 1)
Retter, Yosef
5th Place, Match: Israel - Netherlands, 1963
#2
13 + 8
| 3747 | FIDE Album (1962-1964) | 1968 |
SOLUTION
- SOUND
- Sets
- 1...Qd1
- 2.Sxc6#
- 2.Qe3#
- 1...Qf1
- 2.Qe3#
- 1...Qc4
- 2.Qe3#
- 1...Qb5
- 2.Qe3#
- 1...Qa6
- 2.Qe3#
- 1...Qe3
- 2.Qxe3#
- 1...Qxe5
- 2.Sd5#
- 1...fxe5
- 2.Sd5#
- 1...f5
- 2.Sd3#
- 1...Qd1
- Tries
- 1.Sxc6+?
- 1...Qc4
- 2.Rxc4#
- 2.Qe3#
- 2.Qxc4#
- 1...Qe4!
- 1...Qc4
- 1.Sf7?
- threat
- 2.Sd3#
- 2.Sd5#
- 2.Rh4#
- 2.Rf5#
- 1...Qxe5
- 2.Sd3#
- 2.Sd5#
- 2.Rh4#
- 1...Bxa4
- 2.Sd5#
- 2.Rh4#
- 2.Rf5#
- 1...Qd3
- 2.Sxd3#
- 2.Sd5#
- 1...Qe4
- 2.Sd3#
- 1...Qc4
- 2.Rh4#
- 2.Rf5#
- 2.Qe3#
- 1...Be4
- 2.Sd5#
- 1...Bd5
- 2.Sd3#
- 2.Sxd5#
- 2.Rh4#
- 2.Rf5#
- 1...f5
- 2.Sd3#
- 2.Sd5#
- 2.Rh4#
- 2.Rxf5#
- 1...Qxf2!
- threat
- 1.Sh7?
- threat
- 2.Sd3#
- 2.Sd5#
- 2.Rh4#
- 2.Rf5#
- 1...Qxe5
- 2.Sd3#
- 2.Sd5#
- 2.Rh4#
- 1...Bxa4
- 2.Sd5#
- 2.Rh4#
- 2.Rf5#
- 1...Qd3
- 2.Sxd3#
- 2.Sd5#
- 1...Qe4
- 2.Sd3#
- 1...Qc4
- 2.Rh4#
- 2.Rf5#
- 2.Qe3#
- 1...Be4
- 2.Sd5#
- 1...Bd5
- 2.Sd3#
- 2.Sxd5#
- 2.Rf5#
- 1...f5
- 2.Sd3#
- 2.Rh4#
- 2.Rxf5#
- 1...Qxf2!
- threat
- 1.Sxc6+?
- Keys
- 1.Se4!
- 1...Qxf2
- 2.Sd3#
- 1...Qxe4
- 2.Sd3#
- 1...Bxa4
- 2.Sd5#
- 1...Bxe4
- 2.Sd5#
- 1...fxe5
- 2.Qxe5#
- 1...Qd3
- 2.Sxd3#
- 1...Qd1
- 2.Sd3#
- 2.Qe3#
- 1...Qf1
- 2.Qe3#
- 1...Qc4
- 2.Qe3#
- 1...Qb5
- 2.Qe3#
- 1...Qa6
- 2.Qe3#
- 1...Qe1
- 2.Sd3#
- 1...Qe3
- 2.Qxe3#
- 2.fxe3#
- 1...Bb5
- 2.Sd5#
- 1...Bd5
- 2.Sxd5#
- 1...Bd7
- 2.Sd5#
- 1...Be8
- 2.Sd5#
- 1...f5
- 2.Rh4#
- 1...Qxf2
- 1.Se4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 2
- ADDED MATES = 10
- REMOVED MATES = 2
- Sets
- Q(b);N_GUARD::QAB1(G)
- Q(b);N_GUARD,N_SPINR(a)::QAB1(G),XQ(b)
- Q(b);SBLOCK,XP(H)::R(E)+S(F),DCHECK
- P(g);SBLOCK,XP(H)::R(E)+S(F),DCHECK
- P(g);SBLOCK::R(E)+S(F),DCHECK
- Tries
- Try
- S(F);CHECK,XB(f)
- Refutation
- Q(b);P_SPINQ(b)
- Try
- S(I);
- Threat
- DUALS(4)
- Vars
- Q(b);::S(F)
- B(f);::S(F)
- Refutation
- Q(b);XP(C)
- Try
- S(I);
- Threat
- DUALS(4)
- Vars
- Q(b);::S(F)
- B(f);::S(F)
- Refutation
- Q(b);XP(C)
- Try
- Actual
- S(I);
- Vars
- Q(b);N_GUARD,XP(C)::S(F)
- Q(b);N_GUARD,XS(I)::S(F)
- B(f);N_GUARD,XR(E)::S(F)
- B(f);N_GUARD,XS(I)::S(F)
- P(g);OGATE,XP(H)::QAB1(G),XP(g)
- Q(b);N_GUARD::S(F),XQ(b)
- Q(b);N_GUARD::QAB1(G)
- Q(b);N_GUARD::S(F)
- B(f);N_GUARD::S(F)
- B(f);N_GUARD::S(F),XB(f)
- P(g);SBLOCK::R(J)
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