MESON Chess Problem Database
Problem Display
PID: 211168 (n2N1BB1/K2p4/3Pr2R/2kNb3/4n2R/1Q2P3/8/8 w - - 0 1)
Einat, Paz
The Problemist, 1985
#2
10 + 6
SOLUTION
- SOUND
- Sets
- 1...Rxd6
- 2.Qb4#
- 1...Rf6
- 2.Qb4#
- 1...Rg6
- 2.Qb4#
- 1...Rxh6
- 2.Qb4#
- 1...Re7
- 2.Qb4#
- 1...Re8
- 2.Qb4#
- 1...Sf2
- 2.Qc4#
- 1...Sc3
- 2.Qc4#
- 1...Sg3
- 2.Qc4#
- 1...Sg5
- 2.Qc4#
- 1...Sxd6
- 2.Qc4#
- 1...Sf6
- 2.Qc4#
- 1...Rxd6
- Tries
- 1.Sc3?
- threat
- 2.Sa4#
- 2.Sxe4#
- 2.Qb5#
- 1...Bxd6
- 2.Sa4#
- 2.Qb5#
- 1...Sxc3
- 2.Qc4#
- 1...Sxd6
- 2.Sa4#
- 2.Se4#
- 2.Rc4#
- 2.Qc4#
- 2.Qd5#
- 2.Qa3#
- 2.Qb4#
- 2.Qb5#
- 1...Bh2
- 2.Sa4#
- 2.Qb5#
- 1...Bg3
- 2.Sa4#
- 2.Qb5#
- 1...Bd4
- 2.Sa4#
- 2.Qb5#
- 1...Bf4
- 2.Sa4#
- 2.Qb5#
- 1...Bf6
- 2.Sa4#
- 2.Qb5#
- 1...Bg7
- 2.Sa4#
- 2.Qb5#
- 1...Bh8
- 2.Sa4#
- 2.Qb5#
- 1...Sd2
- 2.Sa4#
- 2.Qd5#
- 2.Qa3#
- 2.Qb4#
- 2.Qb5#
- 1...Sf2
- 2.Sa4#
- 2.Rc4#
- 2.Qc4#
- 2.Qd5#
- 2.Qa3#
- 2.Qb4#
- 2.Qb5#
- 1...Sg3
- 2.Sa4#
- 2.Rc4#
- 2.Qc4#
- 2.Qd5#
- 2.Qa3#
- 2.Qb4#
- 2.Qb5#
- 1...Sg5
- 2.Sa4#
- 2.Rc4#
- 2.Qc4#
- 2.Qd5#
- 2.Qa3#
- 2.Qb4#
- 2.Qb5#
- 1...Sf6
- 2.Sa4#
- 2.Rc4#
- 2.Qc4#
- 2.Qa3#
- 2.Qb4#
- 2.Qb5#
- 1...Sb6
- 2.Sxe4#
- 2.Qb5#
- 1...Sc7
- 2.Sa4#
- 2.Sxe4#
- 1...Bxc3!
- threat
- 1.Sb4?
- threat
- 2.Sd3#
- 2.Sa6#
- 1...Sf2
- 2.Sa6#
- 2.Qc4#
- 2.Qd5#
- 1...Sc7
- 2.Sd3#
- 1...Kb5!
- threat
- 1.Sb6?
- threat
- 2.Sa4#
- 2.Sxd7#
- 2.Qc4#
- 1...Re7
- 2.Sa4#
- 2.Qc4#
- 1...Sd2
- 2.Sa4#
- 2.Sxd7#
- 2.Qd5#
- 2.Qb4#
- 1...Sc3
- 2.Sxd7#
- 2.Rc4#
- 2.Qc4#
- 2.Qb4#
- 1...Sf6
- 2.Sa4#
- 2.Rc4#
- 2.Qc4#
- 2.Qb4#
- 1...Sxb6!
- threat
- 1.Sf6?
- threat
- 2.Sxe4#
- 2.Sxd7#
- 1...Rxf6
- 2.Qc4#
- 1...Bxd6
- 2.Sxd7#
- 1...Sxd6
- 2.Se4#
- 2.Sxd7#
- 2.Rc4#
- 2.Qc4#
- 2.Qd5#
- 2.Qb4#
- 1...Sxf6
- 2.Qc4#
- 1...Re7
- 2.Sxe4#
- 1...Ba1
- 2.Sxd7#
- 1...Bb2
- 2.Sxd7#
- 1...Bh2
- 2.Sxd7#
- 1...Bc3
- 2.Sxd7#
- 1...Bg3
- 2.Sxd7#
- 1...Bd4
- 2.Sxd7#
- 1...Bf4
- 2.Sxd7#
- 1...Sd2
- 2.Sxd7#
- 2.Qd5#
- 2.Qb4#
- 1...Sf2
- 2.Sxd7#
- 2.Rc4#
- 2.Qc4#
- 2.Qd5#
- 2.Qb4#
- 1...Sc3
- 2.Sxd7#
- 2.Rc4#
- 2.Qc4#
- 2.Qb4#
- 1...Sg3
- 2.Sxd7#
- 2.Rc4#
- 2.Qc4#
- 2.Qd5#
- 2.Qb4#
- 1...Sg5
- 2.Sxd7#
- 2.Rc4#
- 2.Qc4#
- 2.Qd5#
- 2.Qb4#
- 1...Sb6
- 2.Sxe4#
- 1...Bxf6!
- threat
- 1.Sc7?
- threat
- 2.Sa6#
- 2.Qb5#
- 1...Sc3
- 2.Sa6#
- 2.Rc4#
- 2.Qc4#
- 2.Qa3#
- 2.Qb4#
- 1...Sxc7!
- threat
- 1.Sxe6+?
- 1...Kc6
- 2.Qb7#
- 1...dxe6!
- 1...Kc6
- 1.Rxe4?
- threat
- 2.Qc4#
- 1...Bd4
- 2.exd4#
- 1...Sb6!
- threat
- 1.Sc3?
- Keys
- 1.Se7!
- threat
- 2.Sb7#
- 1...Kxd6
- 2.Sd5#
- 1...Rxe7
- 2.Qc4#
- 1...Sxd6
- 2.Qd5#
- 2.Qb4#
- threat
- 1.Se7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 11
- Sets
- R(d);P_SPINR(d),XP(E)::QAB1(A)
- R(d);::QAB1(A)
- R(d);XR(F)::QAB1(A)
- S(a);::QAR1(A)
- S(a);P_SPINS(a),XP(E)::QAR1(A)
- Tries
- Try
- S(D);
- Threat
- DUALS(3)
- Vars
- S(a);XS(D)::QAR1(A)
- Refutation
- B(c);XS(D)
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- S(f);::S(D)
- Refutation
- K(b);P-FLIGHT
- Try
- S(D);
- Threat
- DUALS(3)
- Refutation
- S(f);XS(D)
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- R(d);XS(D)::QAR1(A)
- B(c);P_SPINB(c),XP(E)::S(D),XP(e)
- S(a);XS(D)::QAR1(A)
- R(d);::S(D),XS(a)
- B(c);::S(D),XP(e)
- S(f);::S(D),XS(a)
- Refutation
- B(c);XS(D)
- Try
- S(D);
- Threat
- DUALS(2)
- Refutation
- S(f);XS(D)
- Try
- S(H);CHECK,XR(d)
- Vars
- K(b);P-FLIGHT::QAB1(A)
- Refutation
- P(e);XS(H)
- Try
- R(C);XS(a)
- Threat
- QAR1(A)
- Vars
- B(c);OGATE::P(B),XB(c)
- Refutation
- S(f);
- Try
- Actual
- S(D);
- Threat
- S(H)
- Vars
- K(b);P_SPINR(d),S_FLIGHT,XP(E)::B(I)+S(D)
- R(d);XS(D)::QAR1(A)
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