MESON Chess Problem Database

Problem Display
PID: 2110 (3R4/7K/3b1N2/4k3/3N4/1P1p4/3P1P2/Q7 w - - 0 1)

Brown, Theodore Morris

Source?, 0000

3R4/7K/3b1N2/4k3/3N4/1P1p4/3P1P2/Q7

#2

8 + 3

1679 American Chess Nuts 1868

SOLUTION

  • SOUND
  • Tries
    • 1.Qe1+?
      • 1...Kxd4
        • 2.Qe3#
      • 1...Kf4
        • 2.Qe3#
      • 1...Kxf6!
  • Keys
    • 1.Qg1!
      • 1...Kxd4
        • 2.f4#
      • 1...Kf4
        • 2.Qg3#
      • 1...Kxf6
        • 2.Qg7#
      • 1...Ba3
        • 2.Qg5#
      • 1...Bb4
        • 2.Qg5#
      • 1...Bc5
        • 2.Qg5#
      • 1...Bc7
        • 2.Qg5#
      • 1...Be7
        • 2.Qg5#
      • 1...Bb8
        • 2.Qg5#
      • 1...Bf8
        • 2.Qg5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);P_SPINB(c),S_FLIGHT,XS(E)::QAB1(A)
        • K(b);S_FLIGHT::QAB1(A)
      • Refutation
        • K(b);S_FLIGHT,XS(F)
  • Actual
    • Q(A);
    • Vars
      • K(b);P_SPINB(c),S_FLIGHT,XS(E)::QAB(A)+P(C)
      • K(b);S_FLIGHT::QAB1(A)
      • K(b);OGATEB,S_FLIGHT,XS(F)::QAB1(A)
      • B(c);::QAR2(A)
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