MESON Chess Problem Database
Problem Display
PID: 45509 (3R2Q1/p1KN4/3NPP2/R1pk1b2/r2Pn3/1P6/6q1/6BB w - - 0 1)
Haymann, Jean
2nd HM., Israel Ring Ty., 1973
#2
12 + 7
| 3841 | The Art of Israeli Chess Composition | 1983 |
SOLUTION
- SOUND
- Sets
- 1...Qf1
- 2.Rxc5#
- 1...Qh3
- 2.Rxc5#
- 1...Qa2
- 2.Rxc5#
- 1...Qb2
- 2.Rxc5#
- 1...Qd2
- 2.Rxc5#
- 1...Qe2
- 2.Rxc5#
- 1...Qh2
- 2.Rxc5#
- 1...Qg3
- 2.Rxc5#
- 1...Qg4
- 2.Rxc5#
- 1...Qg5
- 2.Rxc5#
- 1...Qg6
- 2.Rxc5#
- 1...Qg7
- 2.Rxc5#
- 1...Rc4
- 2.bxc4#
- 1...Sd2
- 2.Rxc5#
- 1...Sc3
- 2.Rxc5#
- 1...Sg3
- 2.Rxc5#
- 1...Sg5
- 2.Rxc5#
- 1...Sxf6
- 2.Sxf6#
- 2.Rxc5#
- 1...a6
- 2.Sb6#
- 1...Qf1
- Tries
- 1.Sc4?
- threat
- 2.Sdb6#
- 1...Qh2+
- 2.Sde5#
- 1...Qg3+
- 2.Sde5#
- 1...Qxg8
- 2.Sf8#
- 1...Sxf6
- 2.Sxf6#
- 1...Sd2
- 2.Sxc5#
- 1...Sf2
- 2.Sxc5#
- 1...Sc3
- 2.Sxc5#
- 1...Sg3
- 2.Sxc5#
- 1...Sg5
- 2.Sxc5#
- 1...Qg7
- 2.Rxc5#
- 1...Sd6!
- threat
- 1.Sxe4?
- threat
- 2.Sc3#
- 2.Sdxc5#
- 1...Qh2+
- 2.Se5#
- 1...Qg3+
- 2.Se5#
- 1...Qxe4
- 2.Sxc5#
- 2.Se5#
- 2.Sb6#
- 2.Sb8#
- 2.Sf8#
- 2.Rxc5#
- 1...Qxg1
- 2.Sdxc5#
- 2.Se5#
- 2.Sb6#
- 2.Sb8#
- 2.Sf8#
- 1...Qxg8
- 2.Sf8#
- 1...Rxd4
- 2.Sc3#
- 1...Bxe4
- 2.Sxc5#
- 2.Se5#
- 2.Sb6#
- 2.Sb8#
- 2.Sf8#
- 2.Rxc5#
- 1...Qf2
- 2.Sdxc5#
- 2.Se5#
- 2.Sb6#
- 2.Sb8#
- 2.Sf8#
- 1...Qg7
- 2.Sc3#
- 2.Rxc5#
- 1...Rc4
- 2.Sdxc5#
- 1...Kxe4!
- threat
- 1.Sb5?
- threat
- 2.Sb6#
- 1...Qh2+
- 2.Se5#
- 1...Qg3+
- 2.Se5#
- 1...Qxg8
- 2.Sf8#
- 1...Sxf6
- 2.Sc3#
- 2.Sxf6#
- 1...cxd4
- 2.Sc3#
- 1...Sd2
- 2.Sc3#
- 2.Sxc5#
- 1...Sf2
- 2.Sxc5#
- 1...Sc3
- 2.Sxc3#
- 2.Sxc5#
- 1...Sg3
- 2.Sc3#
- 2.Sxc5#
- 1...Sg5
- 2.Sc3#
- 2.Sxc5#
- 1...Sd6
- 2.Sc3#
- 1...Qg7
- 2.Sc3#
- 1...Rxd4!
- threat
- 1.Sxf5?
- threat
- 2.Se7#
- 2.Sb6#
- 1...Qh2+
- 2.Se5#
- 1...Qg3+
- 2.Se5#
- 1...Qxg1
- 2.Sxc5#
- 2.Se5#
- 2.Sb6#
- 2.Sb8#
- 2.Sf8#
- 2.Rxc5#
- 1...Qxg8
- 2.Sf8#
- 1...Rxd4
- 2.Se3#
- 2.Se7#
- 1...Sxf6
- 2.Sxf6#
- 1...Sd2
- 2.Sxc5#
- 1...Sf2
- 2.Sxc5#
- 1...Sc3
- 2.Sxc5#
- 1...Sg3
- 2.Sxc5#
- 1...Sg5
- 2.Sxc5#
- 1...Qf2
- 2.Sxc5#
- 2.Se5#
- 2.Sb6#
- 2.Sb8#
- 2.Sf8#
- 2.Rxc5#
- 2.e7#
- 1...Qg7
- 2.Rxc5#
- 1...Sd6!
- threat
- 1.Sc8?
- threat
- 2.Sdb6#
- 2.Se7#
- 1...Qh2+
- 2.Se5#
- 1...Qg3+
- 2.Se5#
- 1...Qxg1
- 2.Sxc5#
- 2.Se5#
- 2.Sdb6#
- 2.Sb8#
- 2.Sf8#
- 1...Qxg8
- 2.Sf8#
- 1...Rxd4
- 2.Se7#
- 1...Sxf6
- 2.Sxf6#
- 1...Qf2
- 2.Sxc5#
- 2.Se5#
- 2.Sdb6#
- 2.Sb8#
- 2.Sf8#
- 1...Sd2
- 2.Sxc5#
- 1...Sf2
- 2.Sxc5#
- 1...Sc3
- 2.Sxc5#
- 1...Sg3
- 2.Sxc5#
- 1...Sg5
- 2.Sxc5#
- 1...Qg7
- 2.Rxc5#
- 1...Sd6!
- threat
- 1.Bxg2?
- threat
- 2.Rxc5#
- 1...Rc4
- 2.bxc4#
- 1...Rxa5!
- threat
- 1.Sc4?
- Keys
- 1.Sxc5!
- threat
- 2.Sdxe4#
- 1...Qg7+
- 2.Sf7#
- 1...Qxg8
- 2.Se8#
- 1...Rxd4
- 2.Scxe4#
- 1...Sxc5
- 2.Rxc5#
- 1...Sxd6
- 2.Rxd6#
- 1...Sxf6
- 2.Sxa4#
- 1...Sf2
- 2.Sc4#
- 2.Sde4#
- 2.Sb5#
- 2.Sxf5#
- 2.Sdb7#
- 2.Sf7#
- 2.Sc8#
- 2.Se8#
- 1...Qh2
- 2.Sxa4#
- 1...Qg3
- 2.Sxa4#
- 1...Sd2
- 2.Sxa4#
- 2.Sc4#
- 2.Sde4#
- 2.Sb5#
- 2.Sxf5#
- 2.Sdb7#
- 2.Sf7#
- 2.Sc8#
- 2.Se8#
- 1...Sc3
- 2.Sc4#
- 2.Sde4#
- 2.Sb5#
- 2.Sxf5#
- 2.Sdb7#
- 2.Sf7#
- 2.Sc8#
- 2.Se8#
- 1...Sg3
- 2.Sxa4#
- 2.Sc4#
- 2.Sde4#
- 2.Sb5#
- 2.Sxf5#
- 2.Sdb7#
- 2.Sf7#
- 2.Sc8#
- 2.Se8#
- 1...Sg5
- 2.Sxa4#
- 2.Sc4#
- 2.Sde4#
- 2.Sb5#
- 2.Sxf5#
- 2.Sdb7#
- 2.Sf7#
- 2.Sc8#
- 2.Se8#
- threat
- 1.Sxc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 5
- REMOVED MATES = 15
- Sets
- Q(a);P_SPINS(c)::R1(E),XP(d)
- Q(a);P_PINS(F),P_SPINS(c)::R1(E),XP(d)
- Q(a);P_PINS(J),P_SPINS(c)::R1(E),XP(d)
- R(b);OGATE::P(C),XR(b)
- S(c);N_GUARD,P_SPINQ(a)::R1(E),XP(d)
- P(g);N_GUARD::S(J)
- Tries
- Try
- S(F);
- Threat
- R(K)+S(J),DCHECK
- Vars
- Q(a);CHECK,P_SPINS(c)::R(K)+S(J)
- Q(a);P_SPINS(c),XQ(L)::R(K)+S(J)
- S(c);P_SPINQ(a),XP(H)::R(K)+S(J),DCHECK,XS(c)
- S(c);N_GUARD,P_SPINQ(a)::R(K)+S(J),XP(d)
- Q(a);P_PINS(J),P_SPINS(c)::R1(E),XP(d)
- Refutation
- S(c);P_SPINQ(a)
- Try
- S(F);XS(c)
- Threat
- DUALS(2)
- Vars
- Q(a);CHECK::R(K)+S(J)
- Q(a);XQ(L)::R(K)+S(J)
- R(b);XP(D)::S(F)
- R(b);::R(K)+S(J),XP(d)
- Refutation
- K(e);N_SPINP(d),P_SPINQ(a),S_FLIGHT,XS(F)
- Try
- S(F);N_PINP(d)
- Threat
- R(K)+S(J),DCHECK
- Vars
- Q(a);CHECK,P_SPINS(c)::R(K)+S(J)
- Q(a);P_SPINS(c),XQ(L)::R(K)+S(J)
- P(d);XP(D)::R(E)+S(F),DCHECK
- S(c);N_GUARD,P_SPINQ(a)::R(K)+S(J),XP(d)
- S(c);N_GUARD,P_SPINQ(a)::S(F)
- Q(a);P_PINS(J),P_SPINS(c)::S(F)
- Refutation
- R(b);XP(D)
- Try
- S(F);XB(f)
- Threat
- DUALS(2)
- Vars
- Q(a);CHECK,P_SPINS(c)::R(K)+S(J)
- Q(a);P_SPINS(c),XQ(L)::R(K)+S(J)
- S(c);P_SPINQ(a),XP(H)::R(K)+S(J),DCHECK,XS(c)
- S(c);N_GUARD,P_SPINQ(a)::R(K)+S(J),XP(d)
- Q(a);P_PINS(J),P_SPINS(c)::R1(E),XP(d)
- Refutation
- S(c);P_SPINQ(a)
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- Q(a);CHECK,P_SPINS(c)::R(K)+S(J)
- Q(a);P_SPINS(c),XQ(L)::R(K)+S(J)
- R(b);XP(D)::S(F)
- S(c);P_SPINQ(a),XP(H)::R(K)+S(J),DCHECK,XS(c)
- S(c);N_GUARD,P_SPINQ(a)::R(K)+S(J),XP(d)
- Q(a);P_PINS(J),P_SPINS(c)::R1(E),XP(d)
- Refutation
- S(c);P_SPINQ(a)
- Try
- B(B);P_PINS(c),XQ(a)
- Threat
- R1(E),XP(d)
- Vars
- R(b);OGATE::P(C),XR(b)
- Refutation
- R(b);N_SPINP(d),XR(E)
- Try
- Actual
- S(J);XP(d)
- Threat
- R(K)+S(F),XS(c)
- Vars
- Q(a);CHECK,P_SPINS(c)::R(K)+S(F)
- Q(a);P_SPINS(c),XQ(L)::R(K)+S(F)
- R(b);N_GUARD,XP(D)::R(E)+S(J),XS(c)
- S(c);OGATE,P_SPINQ(a),P_SPINS(c),XS(J)::R1(E),XS(c)
- S(c);OGATE,P_SPINQ(a),P_SPINS(c),XS(F)::R1(K),XS(c)
- S(c);N_GUARD,P_SPINQ(a),XP(H)::R(E)+S(J),XR(b)
- Q(a);P_PINS(F),P_SPINS(c)::R(E)+S(J),XR(b)
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