MESON Chess Problem Database
Problem Display
PID: 45421 (8/q3n2B/p1R1N3/3pkpB1/6R1/1Q2pp1r/K5Np/8 w - - 0 1)
Seider, Shlomo
3rd HM., Israel Ring Ty., 1970
#2
8 + 10
| 3841 | The Art of Israeli Chess Composition | 1983 |
SOLUTION
- SOUND
- Sets
- 1...Qd4
- 2.Qb8#
- 1...Qb8
- 2.Qxe3#
- 2.Qxb8#
- 1...Qb7
- 2.Qxe3#
- 1...Qc7
- 2.Qxe3#
- 1...Qd7
- 2.Qxe3#
- 1...Qa8
- 2.Qxe3#
- 1...Qd4
- Tries
- 1.Se1?
- threat
- 2.Sd3#
- 1...Qd4
- 2.Qb8#
- 1...Sxc6!
- threat
- 1.Sgf4?
- threat
- 2.Sd3#
- 1...Ke4
- 2.Sd3#
- 1...Sxc6
- 2.Qxd5#
- 1...Qd4!
- threat
- 1.Sd4?
- threat
- 2.Bf6#
- 2.Re6#
- 2.Qxe3#
- 1...Qxd4
- 2.Bf6#
- 2.Qb8#
- 1...fxg2
- 2.Bf6#
- 2.Re6#
- 1...fxg4
- 2.Bf6#
- 2.Qxe3#
- 1...f4
- 2.Bf6#
- 1...Qb6
- 2.Bf6#
- 2.Qxe3#
- 1...Qd7
- 2.Bf6#
- 2.Qxe3#
- 1...Rh6
- 2.Sxf3#
- 2.Qxe3#
- 1...Sg8
- 2.Re6#
- 2.Qxe3#
- 1...e2
- 2.Bf6#
- 2.Re6#
- 2.Qe3#
- 1...f2
- 2.Bf6#
- 2.Re6#
- 1...Sxc6!
- threat
- 1.Sc5?
- threat
- 2.Sd3#
- 2.Bf6#
- 2.Re6#
- 2.Qxe3#
- 1...Qxc5
- 2.Bf6#
- 1...fxg2
- 2.Sd3#
- 2.Bf6#
- 2.Re6#
- 1...fxg4
- 2.Bf6#
- 2.Qxe3#
- 1...f4
- 2.Bf6#
- 1...Qb6
- 2.Sd3#
- 2.Sd7#
- 2.Bf6#
- 2.Qxe3#
- 1...Qd7
- 2.Sd3#
- 2.Sxd7#
- 2.Bf6#
- 2.Qxe3#
- 1...Rh6
- 2.Sd3#
- 2.Qxe3#
- 1...Sg8
- 2.Sd3#
- 2.Re6#
- 2.Qxe3#
- 1...e2
- 2.Sd3#
- 2.Bf6#
- 2.Re6#
- 2.Qe3#
- 1...f2
- 2.Sd3#
- 2.Bf6#
- 2.Re6#
- 1...d4
- 2.Sd3#
- 2.Bf4#
- 2.Bf6#
- 2.Re6#
- 2.Qe6#
- 1...Sxc6!
- threat
- 1.Sc7?
- threat
- 2.Bf6#
- 2.Re6#
- 1...Qxc7
- 2.Bf6#
- 2.Qxe3#
- 1...Sxc6
- 2.Qxd5#
- 1...fxg4
- 2.Bf6#
- 1...f4
- 2.Bf6#
- 1...Qb6
- 2.Bf6#
- 1...Sg8
- 2.Re6#
- 2.Qxd5#
- 1...Rh6!
- threat
- 1.Sd8?
- threat
- 2.Sf7#
- 2.Bf6#
- 2.Re6#
- 1...Rxh7
- 2.Bf6#
- 2.Re6#
- 1...fxg4
- 2.Bf6#
- 1...f4
- 2.Bf6#
- 1...Rh6
- 2.Sf7#
- 1...Qb6
- 2.Sf7#
- 2.Bf6#
- 1...Qd7
- 2.Sf7#
- 2.Bf6#
- 2.Qxe3#
- 1...Sg6
- 2.Bf6#
- 2.Re6#
- 1...Sc8
- 2.Bf6#
- 2.Re6#
- 1...Sg8
- 2.Re6#
- 1...Sxc6!
- threat
- 1.Bf4+?
- 1...Ke4
- 2.Bxh2#
- 2.Bg3#
- 2.Bd6#
- 2.Bc7#
- 2.Bb8#
- 2.Qc2#
- 2.Qb1#
- 1...Kf6!
- 1...Ke4
- 1.Qb2+?
- 1...Qd4
- 2.Qxd4#
- 2.Qb8#
- 1...d4!
- 1...Qd4
- 1.Qc3+?
- 1...Qd4
- 2.Qxd4#
- 1...d4!
- 1...Qd4
- 1.Qb4?
- threat
- 2.Qd6#
- 2.Qf4#
- 1...d4
- 2.Qd6#
- 1...Qd4
- 2.Qd6#
- 2.Qxd4#
- 2.Qb8#
- 1...Qc5
- 2.Qf4#
- 1...Qb8
- 2.Qd4#
- 2.Qf4#
- 2.Qxb8#
- 1...Qc7
- 2.Qd4#
- 2.Qf4#
- 1...Qd7
- 2.Qd4#
- 2.Qf4#
- 1...Sg6
- 2.Qd6#
- 1...Sc8
- 2.Qf4#
- 1...f4
- 2.Qd6#
- 2.Qxf4#
- 1...Sxc6!
- threat
- 1.Qb8+?
- 1...Qc7
- 2.Qxc7#
- 2.Qh8#
- 1...Qxb8!
- 1...Qc7
- 1.Se1?
- Keys
- 1.Sef4!
- threat
- 2.Sd3#
- 1...Kd4
- 2.Qxe3#
- 1...Ke4
- 2.Sd3#
- 1...Sxc6
- 2.Qxd5#
- 1...fxg4
- 2.Bf6#
- 1...Qd4
- 2.Re6#
- threat
- 1.Sef4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 4
- REMOVED MATES = 4
- Sets
- Q(i);N_GUARD::QAB(C)
- Q(i);N_GUARD::QAR2(C),XP(b)
- Tries
- Try
- S(B);
- Threat
- S(B)
- Vars
- Q(i);N_GUARD::QAB(C)
- Refutation
- S(j);XR(F)
- Try
- S(B);
- Threat
- S(B)
- Vars
- K(f);P-FLIGHT,P_SPINP(g)::R(D)+S(B)
- S(j);N_GUARD,XR(F)::QAR1(C),XP(e)
- Refutation
- Q(i);
- Try
- S(G);
- Threat
- DUALS(3)
- Vars
- P(g);::B(E)
- Refutation
- S(j);XR(F)
- Try
- S(G);
- Threat
- DUALS(4)
- Vars
- Q(i);XS(G)::B(E)
- P(g);::B(E)
- Refutation
- S(j);XR(F)
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- S(j);N_GUARD,XR(F)::QAR1(C),XP(e)
- P(g);XR(D)::B(E)
- P(g);::B(E)
- Q(i);::B(E)
- Refutation
- R(d);
- Try
- S(G);
- Threat
- DUALS(3)
- Vars
- P(g);XR(D)::B(E)
- P(g);::B(E)
- R(d);::S(G)
- S(j);::R1(F)
- Refutation
- S(j);XR(F)
- Try
- B(E);CHECK
- Refutation
- K(f);S_FLIGHT
- Try
- Q(C);CHECK
- Refutation
- P(e);P_SPINP(e)
- Try
- Q(C);CHECK
- Vars
- Q(i);N_GUARD,P_SPINQ(i)::QAB1(C),XQ(i)
- Refutation
- P(e);P_SPINP(e)
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- P(e);::QAB1(C)
- Q(i);::QAB1(C)
- S(j);::QAB1(C)
- Refutation
- S(j);XR(F)
- Try
- Q(C);CHECK
- Refutation
- Q(i);XQ(C)
- Try
- Actual
- S(G);
- Threat
- S(G)
- Vars
- K(f);S_FLIGHT::QAB1(C),XP(b)
- K(f);P-FLIGHT,P_SPINP(g)::R(D)+S(G)
- S(j);N_GUARD,XR(F)::QAR1(C),XP(e)
- P(g);XR(D)::B(E)
- Q(i);SBLOCK::R1(F)
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