MESON Chess Problem Database

Problem Display
PID: 22926 (8/3K4/8/b7/kn6/2Q5/3R4/8 w - - 0 1)

Holladay, Edgar Dinwiddie

Plain Dealer, 1979

8/3K4/8/b7/kn6/2Q5/3R4/8

#2

3 + 3

2838 Fun with Chess Miniatures 1996
6232 Holladay Chess Problems 2007

SOLUTION

  • SOUND
  • Tries
    • 1.Rd4?
      • 1...Bb6
        • 2.Qxb4#
      • 1...Bc7
        • 2.Qxb4#
      • 1...Bd8
        • 2.Qxb4#
      • 1...Kb5!
  • Keys
    • 1.Rb2!
      • 1...Kb5
        • 2.Qc6#
      • 1...Bb6
        • 2.Qxb4#
      • 1...Bc7
        • 2.Qxb4#
      • 1...Bd8
        • 2.Qxb4#
      • 1...Sa2
        • 2.Qb3#
      • 1...Sc2
        • 2.Qb3#
      • 1...Sd3
        • 2.Qb3#
      • 1...Sd5
        • 2.Qb3#
      • 1...Sa6
        • 2.Qb3#
      • 1...Sc6
        • 2.Qb3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(A);P_PINS(b)
      • Vars
        • B(c);N_GUARD::QAR1(B),XS(b)
      • Refutation
        • K(a);N_SPINS(b),S_FLIGHT
  • Actual
    • R(A);
    • Vars
      • K(a);P_SPINS(b),S_FLIGHT::QAB1(B)
      • B(c);N_GUARD::QAR1(B),XS(b)
      • S(b);::QAB1(B)
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