MESON Chess Problem Database

Problem Display
PID: 96415 (2B2R2/3rrbp1/7R/2nN1k1P/5P2/2N1pP2/K7/4b3 w - - 0 1)

Goldschmeding, Cornelis

The Chess Problem, 1948

2B2R2/3rrbp1/7R/2nN1k1P/5P2/2N1pP2/K7/4b3

#2

9 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Re4
      • 2.Rxf7#
    • 1...Re5
      • 2.Rxf7#
    • 1...Re8
      • 2.Rxf7#
    • 1...g5
      • 2.Rf6#
  • Tries
    • 1.Sb5?
      • threat
        • 2.Sd4#
        • 2.Sd6#
      • 1...gxh6
        • 2.Sd4#
      • 1...g6
        • 2.Sd4#
      • 1...Re4
        • 2.Sd6#
        • 2.Rxf7#
      • 1...Re6
        • 2.Sd4#
      • 1...Bc3
        • 2.Sd6#
      • 1...Sb3
        • 2.Sd6#
      • 1...Se4
        • 2.Sd4#
      • 1...Sb7
        • 2.Sd4#
      • 1...Se6!
  • Keys
    • 1.Se2!
      • threat
        • 2.Sd4#
      • 1...Re4
        • 2.Rxf7#
      • 1...Bc3
        • 2.Sg3#
      • 1...Sb3
        • 2.Sxe7#
      • 1...Se6
        • 2.Sxe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • R(f);N_GUARD::R(I),XB(g)
    • P(h);N_GUARD::R1(G)
  • Tries
    • Try
      • S(B);
      • Threat
        • DUALS(2)
      • Vars
        • P(h);XR(G)::S(B)
        • P(h);::S(B)
        • R(f);N_PINS(E),N_SPINR(e)::S(B)
        • B(a);::S(B)
        • S(c);N_PINS(E)::S(B)
        • S(c);::S(B)
      • Refutation
        • S(c);N_PINS(E),N_SPINR(e)
  • Actual
    • S(B);
    • Threat
      • S(B)
    • Vars
      • R(f);N_GUARD::R(I),XB(g)
      • B(a);N_GUARD::S(B)
      • S(c);N_PINS(E)::S(E),XR(f)
      • S(c);N_PINS(E),N_SPINR(e)::S(E),XP(b)
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