MESON Chess Problem Database

Problem Display
PID: 75939 (r2R4/1Bp3N1/2nP4/p1Nk4/6rb/1PQnp3/5pP1/1K1R1b2 w - - 0 1)

Moller, Herbert

2nd Prize, West Sussex Gazette, 1929

r2R4/1Bp3N1/2nP4/p1Nk4/6rb/1PQnp3/5pP1/1K1R1b2

#2

10 + 11

35 L'Italia Scacchistica 1930

SOLUTION

  • SOUND
  • Tries
    • 1.Sxd3?
      • threat
        • 2.Bxc6#
        • 2.Qe5#
      • 1...Ke4
        • 2.Bxc6#
        • 2.Qe5#
        • 2.Qc4#
      • 1...Rxg7
        • 2.Qe5#
        • 2.Qc4#
      • 1...Rxd8
        • 2.Qe5#
      • 1...Bxd8
        • 2.Qe5#
      • 1...Rc4
        • 2.Qe5#
        • 2.Qxc4#
      • 1...Rd4
        • 2.Bxc6#
        • 2.Qxc6#
      • 1...Re4
        • 2.Sb4#
        • 2.Sf4#
        • 2.Bxc6#
        • 2.Qc5#
      • 1...Rg5
        • 2.Bxc6#
        • 2.Qc4#
      • 1...Ra6
        • 2.Qe5#
      • 1...Bg3
        • 2.Bxc6#
      • 1...Bf6
        • 2.Bxc6#
      • 1...Bxd3+!
    • 1.Rxd3+?
      • 1...Rd4
        • 2.Qxd4#
      • 1...Bxd3+!
  • Keys
    • 1.Sd7!
      • threat
        • 2.Qe5#
      • 1...Ke4
        • 2.Qc4#
      • 1...Kxd6
        • 2.Qc5#
      • 1...cxd6
        • 2.Bxc6#
      • 1...Rd4
        • 2.Qxc6#
      • 1...Re4
        • 2.Qc5#
      • 1...Rg5
        • 2.Sf6#
      • 1...Bg3
        • 2.Sf6#
      • 1...Bf6
        • 2.Sxf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(F);P_PINS(i),XS(c)
      • Threat
        • DUALS(2)
      • Vars
        • R(k);XR(J)::QAR1(E)
        • B(f);XR(J)::QAR1(E)
        • R(k);::QAR1(E)
        • B(f);::B(H),XS(i)
      • Refutation
        • B(a);CHECK,P_SPINB(a),XS(F)
    • Try
      • R(B);CHECK,P_PINS(i),XS(c)
      • Vars
        • R(e);N_GUARD,P_SPINR(e)::QAR1(E),XR(e)
      • Refutation
        • B(a);CHECK,XR(B)
  • Actual
    • S(F);
    • Threat
      • QAR1(E)
    • Vars
      • K(h);N_SPINS(c),P_SPINS(i),S_FLIGHT::QAR2(E)
      • K(h);P-FLIGHT,XP(G)::QAB1(E)
      • P(j);SBLOCK,XP(G)::B(H),XS(i)
      • R(e);N_SPINS(c),P_SPINS(i),SBLOCK::QAB1(E),XS(i)
      • R(e);SBLOCK::QAR1(E)
      • R(e);S_CUTB(f)::S(F)
      • B(f);N_GUARD::S(F)
      • B(f);N_GUARD::S(F),XB(f)
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