MESON Chess Problem Database

Problem Display
PID: 61143 (rbB5/1NPP4/2kN4/Pn1n4/brP4K/1p6/4Q3/2R5 w - - 0 1)

Fink, Adolf Jay

Good Companions (November), 1915

rbB5/1NPP4/2kN4/Pn1n4/brP4K/1p6/4Q3/2R5

#2

10 + 8

3132 The Good Companion Two-Mover 1922

SOLUTION

  • SOUND
  • Sets
    • 1...Rxc4+
      • 2.Rxc4#
      • 2.Qxc4#
    • 1...Sbxc7
      • 2.d8S#
    • 1...Sdxc7
      • 2.d8S#
  • Tries
    • 1.Sxb5?
      • threat
        • 2.Qe6#
        • 2.d8S#
      • 1...Rxc4+
        • 2.Qxc4#
      • 1...Rxb5
        • 2.cxb5#
      • 1...Rxa5
        • 2.Qe6#
      • 1...Bxc7
        • 2.Sd4#
      • 1...Sxc7
        • 2.Sd4#
        • 2.d8S#
      • 1...Se3
        • 2.d8S#
      • 1...Sf4
        • 2.d8S#
      • 1...Bxb5!
  • Keys
    • 1.Qe6!
      • threat
        • 2.Sxb5#
      • 1...Rxc4+
        • 2.Rxc4#
      • 1...Kxc7
        • 2.Se8#
      • 1...Bxc7
        • 2.Qxd5#
      • 1...Sxd6
        • 2.Qxd6#
      • 1...Sbxc7
        • 2.d8S#
      • 1...Sdxc7
        • 2.d8S#
      • 1...Sa3
        • 2.Sb5#
        • 2.Se8#
      • 1...Sbc3
        • 2.Sb5#
        • 2.Se8#
      • 1...Sd4
        • 2.cxd5#
      • 1...Sa7
        • 2.Sb5#
        • 2.Se8#
      • 1...Sf4
        • 2.cxb5#

This is a version

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • S(d);SBLOCK,XP(H)::P=S
    • S(e);SBLOCK,XP(H)::P=S
  • Tries
    • Try
      • S(F);XS(d)
      • Threat
        • DUALS(2)
      • Vars
        • R(c);CHECK,OGATE,P_SPINR(c),XP(C)::QAR2(B),XR(c)
        • R(c);N_PINP(C),XS(F)::R(A)+P(C)DCHECK,XR(c)
        • R(g);XP(E)::QAR2(B)
        • B(h);SBLOCK,XP(H)::S(F)
        • S(e);::P=S
        • S(e);N_PINP(C)::P=S
      • Refutation
        • B(b);XS(F)
  • Actual
    • Q(B);
    • Threat
      • QAR(B)+S(F),XS(d)
    • Vars
      • R(c);CHECK,OGATE,P_SPINR(c),XP(C)::R(A),XR(c)
      • K(f);P-FLIGHT,XP(H)::S(F)
      • B(h);SBLOCK,XP(H)::QAB1(B),XS(e)
      • S(d);OGATE,P_SPINS(d),XS(F)::QAR1(B),XS(d)
      • S(d);SBLOCK,XP(H)::P=S
      • S(e);SBLOCK,XP(H)::P=S
      • S(d);N_PINP(C)::R(A)+P(C)DCHECK,XS(e)
      • S(e);N_PINP(C)::R(A)+P(C)DCHECK,XS(d)
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