MESON Chess Problem Database

Problem Display
PID: 53098 (7b/1b2n3/8/1Q5p/3Pk3/1R6/K3N3/8 w - - 0 1)

Daniel, Arthur William

HM., British Chess Magazine, 1953

7b/1b2n3/8/1Q5p/3Pk3/1R6/K3N3/8

#2

5 + 5

268 Chess Life 1954

SOLUTION

  • SOUND
  • Sets
    • 1...Bd5
      • 2.Qd3#
    • 1...Be5
      • 2.Qxe5#
    • 1...Sd5
      • 2.Qd3#
    • 1...Sf5
      • 2.Qxb7#
  • Tries
    • 1.Sg3+?
      • 1...Kxd4
        • 2.Rd3#
      • 1...Kf4!
  • Keys
    • 1.Qg5!
      • threat
        • 2.Re3#
      • 1...Bxd4
        • 2.Sg3#
      • 1...Be5
        • 2.Qxe5#
      • 1...Sf5
        • 2.Qg2#
      • 1...Bd5
        • 2.Qf4#
      • 1...Sd5
        • 2.Qg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 3
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • B(c);P_PINR(C),SBLOCK::QAB1(E)
    • B(e);N_GUARD::QAR1(E),XB(e)
    • S(d);SBLOCK::QAB1(E)
    • S(d);N_GUARD,SBLOCK::QAB(E),XB(c)
  • Tries
    • Try
      • S(B);CHECK
      • Vars
        • K(a);P-FLIGHT,XP(D)::R1(C)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(E);
    • Threat
      • R1(C)
    • Vars
      • B(e);SBLOCK,XP(D)::S(B)
      • B(e);N_GUARD::QAR1(E),XB(e)
      • S(d);SBLOCK::QAB(E)
      • B(c);P_PINR(C),SBLOCK::QAR1(E)
      • S(d);N_GUARD,SBLOCK::QAB(E)
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