MESON Chess Problem Database

Problem Display
PID: 42447 (2K5/p1P2P2/Rb4p1/p2kNrp1/P2PppQ1/B3P2B/3N4/8 w - - 0 1)

Goldschmeding, Cornelis

1st Prize, Probleemblad, 1962

2K5/p1P2P2/Rb4p1/p2kNrp1/P2PppQ1/B3P2B/3N4/8

#2

12 + 9

3747 FIDE Album (1962-1964) 1968

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe5
      • 2.Qd7#
    • 1...Rxf7
      • 2.Qe6#
  • Tries
    • 1.Rxb6?
      • threat
        • 2.Rd6#
      • 1...Rf6
        • 2.Rb5#
      • 1...axb6!
    • 1.Qxf5?
      • threat
        • 2.Qxe4#
        • 2.Qe6#
        • 2.Qd7#
      • 1...Bxd4
        • 2.Rd6#
        • 2.Qxe4#
        • 2.Qe6#
      • 1...Bxc7
        • 2.Qxe4#
        • 2.Qe6#
      • 1...fxe3
        • 2.Qxe4#
        • 2.Qd7#
      • 1...Bc5
        • 2.Sxg6#
        • 2.Qxe4#
        • 2.Qe6#
      • 1...g4
        • 2.Qd7#
      • 1...gxf5!
  • Keys
    • 1.Sxg6!
      • 1...Kc6
        • 2.Se7#
      • 1...Ke6
        • 2.Qxf5#
      • 1...Rxf7
        • 2.Qe6#
      • 1...Bxd4
        • 2.Rd6#
      • 1...Bxc7
        • 2.Se7#
      • 1...fxe3
        • 2.Qxe4#
      • 1...Re5
        • 2.Qd7#
      • 1...Rf6
        • 2.Se7#
      • 1...Bc5
        • 2.Qxf5#
      • 1...f3
        • 2.Qxe4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • R(e);OGATE,XS(H)::QAR2(G)
    • R(e);OGATE,XP(K)::QAB1(G)
  • Tries
    • Try
      • R(I);XB(g)
      • Threat
        • R1(I)
      • Vars
        • R(e);::R(I)
      • Refutation
        • P(i);XR(I)
    • Try
      • Q(G);XR(e)
      • Threat
        • DUALS(3)
      • Vars
        • P(f);::QAR2(G)
      • Refutation
        • P(h);XQ(G)
  • Actual
    • S(H);XP(h)
    • Vars
      • K(d);P_SPINB(g),S_FLIGHT::S(H)
      • K(d);P_SPINB(g),P_SPINR(e),S_FLIGHT::QAB1(G),XR(e)
      • R(e);OGATE,XP(K)::QAB1(G)
      • B(g);OGATE,XP(F)::R1(I)
      • B(g);XP(J)::S(H)
      • P(b);OGATE,XP(C)::QAB1(G),XP(a)
      • R(e);OGATE::QAR2(G)
      • R(e);::S(H)
      • B(g);::QAR2(G),XR(e)
      • P(b);OGATE::QAB1(G),XP(a)
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