MESON Chess Problem Database

Problem Display
PID: 59151 (B6B/3R4/3b4/1nN1pP2/p2k4/1P5K/8/2Q5 w - - 0 1)

Baird, Edith Elina Helen (Mrs WJ)

Daily News, 0000

B6B/3R4/3b4/1nN1pP2/p2k4/1P5K/8/2Q5

#2

8 + 5

3262 700 Chess Problems 1902

SOLUTION

  • SOUND
  • Sets
    • 1...Sa3
      • 2.Rxd6#
    • 1...Sc3
      • 2.Qg1#
    • 1...Sa7
      • 2.Rxd6#
  • Tries
    • 1.Se4?
      • threat
        • 2.Qd2#
      • 1...Kd3
        • 2.Qd2#
      • 1...axb3!
    • 1.Rh7?
      • threat
        • 2.Rh4#
      • 1...Bxc5
        • 2.Qd2#
      • 1...Sc3
        • 2.Qg1#
      • 1...Be7!
  • Keys
    • 1.Rg7!
      • threat
        • 2.Rg4#
      • 1...Bxc5
        • 2.Qd2#
      • 1...Sc3
        • 2.Qg1#
      • 1...e4
        • 2.Rd7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • S(c);N_GUARD::R(F),XB(e)
    • S(c);SBLOCK::QAB(A)
  • Tries
    • Try
      • S(D);
      • Threat
        • QAR2(A)
      • Vars
        • K(b);N_SPINP(d),P-FLIGHT::QAR1(A)
      • Refutation
        • P(a);XP(B)
    • Try
      • R(F);N_PINB(e)
      • Threat
        • R(F)
      • Vars
        • B(e);SBLOCK,XS(D)::QAR2(A)
        • S(c);SBLOCK::QAB(A)
      • Refutation
        • B(e);
  • Actual
    • R(F);N_PINB(e),N_PINP(d)
    • Threat
      • R(F)
    • Vars
      • B(e);SBLOCK,XS(D)::QAR2(A)
      • S(c);SBLOCK::QAB(A)
      • P(d);OGATEB::B(H)+R(F)
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