MESON Chess Problem Database
Problem Display
PID: 45514 (4Q3/3n1rnB/p5NK/5kPp/q4N2/1r5P/4R3/b7 w - - 0 1)
Retter, Yosef
2nd Prize, Israel Ring Ty., 1976
#2
8 + 9
| 3841 | The Art of Israeli Chess Composition | 1983 |
SOLUTION
- SOUND
- Sets
- 1...Qb5
- 2.Qe4#
- 1...Qa2
- 2.Qe4#
- 1...Qa3
- 2.Qe4#
- 1...Qe4
- 2.Qxe4#
- 1...Qxf4
- 2.Sh4#
- 2.Se5#
- 2.Se7#
- 2.Sf8#
- 2.Sh8#
- 1...Qa5
- 2.Qe4#
- 1...Bd4
- 2.Qe4#
- 1...Se6
- 2.Qxe6#
- 1...Qb5
- Tries
- 1.Sg2?
- threat
- 2.S6f4#
- 2.S6h4#
- 2.Se5#
- 2.Se7#
- 2.Sf8#
- 2.Sh8#
- 1...Rxh3
- 2.Se5#
- 1...Sxe8
- 2.S6h4#
- 2.Se7#
- 1...Qc6
- 2.Sh4#
- 1...Qe4
- 2.S6f4#
- 2.S6h4#
- 2.Se5#
- 2.Sf8#
- 2.Sh8#
- 2.Qxe4#
- 1...Qf4
- 2.S6xf4#
- 2.S6h4#
- 2.Se5#
- 2.Se7#
- 2.Sf8#
- 2.Sh8#
- 1...Qh4
- 2.S2xh4#
- 2.S6f4#
- 2.S6xh4#
- 2.Se5#
- 2.Se7#
- 2.Sf8#
- 2.Sh8#
- 1...Re3
- 2.Sxe3#
- 2.S6f4#
- 2.S6h4#
- 2.Se5#
- 2.Sf8#
- 2.Sh8#
- 1...Rb6
- 2.Se3#
- 1...Re7
- 2.S6f4#
- 2.S6h4#
- 2.Sxe7#
- 2.Sf8#
- 2.Sh8#
- 1...Rf8
- 2.S6f4#
- 2.S6h4#
- 2.Se5#
- 2.Se7#
- 2.Sxf8#
- 2.Sh8#
- 1...Be5
- 2.S6f4#
- 2.S6h4#
- 2.Sxe5#
- 2.Sf8#
- 2.Sh8#
- 1...Se5
- 2.S6h4#
- 2.Sxe5#
- 1...Sf6
- 2.S6h4#
- 2.Se7#
- 1...Sf8
- 2.S6h4#
- 2.Se7#
- 2.Sxf8#
- 1...Se6
- 2.S6h4#
- 2.Se7#
- 2.Qxe6#
- 1...h4
- 2.S6f4#
- 2.S6xh4#
- 2.Se5#
- 2.Se7#
- 2.Sf8#
- 2.Sh8#
- 1...Rf6!
- threat
- 1.Sxh5?
- threat
- 2.Sgf4#
- 2.Sh4#
- 2.Se5#
- 2.Se7#
- 2.Sf8#
- 2.Sh8#
- 1...Rxh3
- 2.Se5#
- 1...Sxh5
- 2.Qe6#
- 1...Sxe8
- 2.Sh4#
- 2.Se7#
- 1...Qe4
- 2.Sgf4#
- 2.Sh4#
- 2.Se5#
- 2.Sf8#
- 2.Sh8#
- 2.Qxe4#
- 1...Qf4
- 2.Sgxf4#
- 2.Sh4#
- 2.Se5#
- 2.Se7#
- 2.Sf8#
- 2.Sh8#
- 1...Qh4
- 2.Sf4#
- 2.Sxh4#
- 2.Se5#
- 2.Se7#
- 2.Sf8#
- 2.Sh8#
- 1...Re3
- 2.Sgf4#
- 2.Sh4#
- 2.Se5#
- 2.Sf8#
- 2.Sh8#
- 1...Rb6
- 2.Sg3#
- 1...Rf6
- 2.Sxg7#
- 1...Re7
- 2.Sgf4#
- 2.Sh4#
- 2.Sxe7#
- 2.Sf8#
- 2.Sh8#
- 1...Rf8
- 2.Sgf4#
- 2.Sh4#
- 2.Se5#
- 2.Se7#
- 2.Sxf8#
- 2.Sh8#
- 1...Be5
- 2.Sgf4#
- 2.Sh4#
- 2.Sxe5#
- 2.Sf8#
- 2.Sh8#
- 1...Se5
- 2.Sh4#
- 2.Sxe5#
- 1...Sf6
- 2.Sh4#
- 2.Se7#
- 1...Sf8
- 2.Sh4#
- 2.Se7#
- 2.Sxf8#
- 1...Se6
- 2.Sh4#
- 2.Se7#
- 2.Qxe6#
- 1...Qc6!
- threat
- 1.Sg2?
- Keys
- 1.Sd5!
- threat
- 2.Sgf4#
- 2.Sh4#
- 2.Se5#
- 2.Sge7#
- 2.Sf8#
- 2.Sh8#
- 1...Rxh3
- 2.Se5#
- 1...Sxe8
- 2.Sh4#
- 2.Sge7#
- 1...Qc6
- 2.Qe4#
- 1...Qe4
- 2.Sgf4#
- 2.Sh4#
- 2.Se5#
- 2.Sf8#
- 2.Sh8#
- 2.Qxe4#
- 1...Qf4
- 2.Sgxf4#
- 2.Sh4#
- 2.Se5#
- 2.Sge7#
- 2.Sf8#
- 2.Sh8#
- 1...Qh4
- 2.Sgf4#
- 2.Sxh4#
- 2.Se5#
- 2.Sge7#
- 2.Sf8#
- 2.Sh8#
- 1...Re3
- 2.Sxe3#
- 2.Sgf4#
- 2.Sh4#
- 2.Se5#
- 2.Sf8#
- 2.Sh8#
- 1...Rb6
- 2.Se3#
- 1...Rf6
- 2.Se7#
- 1...Re7
- 2.Sdxe7#
- 2.Sgf4#
- 2.Sh4#
- 2.Sgxe7#
- 2.Sf8#
- 2.Sh8#
- 1...Rf8
- 2.Sde7#
- 2.Sgf4#
- 2.Sh4#
- 2.Se5#
- 2.Sge7#
- 2.Sxf8#
- 2.Sh8#
- 1...Be5
- 2.Sgf4#
- 2.Sh4#
- 2.Sxe5#
- 2.Sf8#
- 2.Sh8#
- 1...Se5
- 2.Sh4#
- 2.Sxe5#
- 1...Sf6
- 2.Sh4#
- 2.Sge7#
- 1...Sf8
- 2.Sh4#
- 2.Sge7#
- 2.Sxf8#
- 1...Se6
- 2.Sh4#
- 2.Sge7#
- 2.Qxe6#
- 1...h4
- 2.Sgf4#
- 2.Sxh4#
- 2.Se5#
- 2.Sge7#
- 2.Sf8#
- 2.Sh8#
- threat
- 1.Sd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 7
- Sets
- Q(c);N_GUARD::QAB1(H)
- Q(c);N_GUARD::QAB1(H),XQ(c)
- B(a);S_CUTQ(c)::QAB1(H)
- S(i);N_GUARD::QAB1(H),XS(i)
- Tries
- Try
- S(C);
- Threat
- DUALS(6)
- Vars
- R(b);XP(B)::B(G)+S(E)
- Q(c);N_GUARD,P_PINS(E)::S(C)
- R(b);N_GUARD,P_PINS(E)::S(C)
- Refutation
- R(h);P_PINS(E)
- Try
- S(C);XP(e)
- Threat
- DUALS(6)
- Vars
- R(b);P_PINS(C),XP(B)::B(G)+S(E)
- S(i);N_GUARD,XS(C)::QAB1(H)
- R(b);N_GUARD,P_PINS(E)::S(C)
- R(h);N_GUARD,P_PINS(E),S_CUTB(a)::S(C),XS(i)
- Refutation
- Q(c);P_PINS(E)
- Try
- Actual
- S(C);
- Threat
- DUALS(6)
- Vars
- R(b);XP(B)::B(G)+S(E)
- Q(c);N_GUARD,P_PINS(E)::QAB1(H)
- R(b);N_GUARD,P_PINS(E)::S(C)
- R(h);N_GUARD,P_PINS(E)::S(C)
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