MESON Chess Problem Database

Problem Display
PID: 61750 (b1N5/5p2/1Q3B2/p2k2K1/4R3/bn1pp3/3p4/8 w - - 0 1)

Gold, Samuel

Tijdschrift vd NSB, 1896

b1N5/5p2/1Q3B2/p2k2K1/4R3/bn1pp3/3p4/8

#2

5 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Sa1
      • 2.Rd4#
    • 1...Sc1
      • 2.Rd4#
    • 1...Sd4
      • 2.Rxd4#
    • 1...Sc5
      • 2.Rd4#
  • Tries
    • 1.Qe6+?
      • 1...Kc5
        • 2.Qc4#
      • 1...fxe6!
    • 1.Qb7+?
      • 1...Kc5
        • 2.Be7#
      • 1...Bxb7!
  • Keys
    • 1.Qa6!
      • threat
        • 2.Qc4#
      • 1...Kxe4
        • 2.Qxa8#
      • 1...Kc5
        • 2.Qc4#
      • 1...Bc5
        • 2.Qxa8#
      • 1...Sd4
        • 2.Re5#
      • 1...Sc5
        • 2.Rd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • S(c);N_GUARD::R1(A)
    • S(c);N_GUARD::R1(A),XS(c)
  • Tries
    • Try
      • Q(C);CHECK
      • Vars
        • K(g);OGATE,P-FLIGHT::QAR1(C)
      • Refutation
        • P(h);XQ(C)
    • Try
      • Q(C);CHECK
      • Vars
        • K(g);P-FLIGHT::B(D)
      • Refutation
        • B(i);XQ(C)
  • Actual
    • Q(C);
    • Threat
      • QAB1(C)
    • Vars
      • K(g);S_FLIGHT,XR(A)::QAB(C),XB(i)
      • K(g);P-FLIGHT::QAR1(C)
      • B(b);SBLOCK::QAB(C),XB(i)
      • S(c);SBLOCK::R1(A)
      • S(c);N_GUARD,SBLOCK::R1(A)
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Developed and maintained by Brian Stephenson.
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