MESON Chess Problem Database

Problem Display
PID: 4611 (Q7/8/1B2p2r/2N3P1/1NPkpp1p/8/B3b1P1/K7 w - - 0 1)

Laws, Benjamin Glover

Ottawa Citizen, 1883

Q7/8/1B2p2r/2N3P1/1NPkpp1p/8/B3b1P1/K7

#2

9 + 7

3316 Chess Problem Text Book 1887
187 The Chess Bouquet 1897
3571 An English Bohemian 1933

SOLUTION

  • SOUND
  • Sets
    • 1...Ke3
      • 2.Sb3#
      • 2.Sxe4#
  • Tries
    • 1.Kb2?
      • threat
        • 2.Scd3#
        • 2.Sd7#
        • 2.Qxe4#
      • 1...Ke3
        • 2.Sb3#
        • 2.Sxe4#
      • 1...Bd3
        • 2.Scxd3#
        • 2.Sd7#
      • 1...Bf3
        • 2.Scd3#
        • 2.Sd7#
      • 1...e3
        • 2.Sc6#
        • 2.Scd3#
        • 2.Sd7#
        • 2.Qe4#
      • 1...e5
        • 2.Sc2#
        • 2.Se6#
        • 2.Qxe4#
      • 1...Ke5!
    • 1.Sxe6+?
      • 1...Ke5
        • 2.Qd5#
      • 1...Kc3!
    • 1.Sb7+?
      • 1...Ke5
        • 2.Qa5#
      • 1...Kc3!
    • 1.Qa3?
      • threat
        • 2.Sc6#
        • 2.Scd3#
        • 2.Sd7#
      • 1...Bxc4
        • 2.Scd3#
        • 2.Sd7#
      • 1...Bd3
        • 2.Scxd3#
        • 2.Sd7#
      • 1...e3
        • 2.Sc6#
        • 2.Qb2#
      • 1...e5
        • 2.Sc2#
        • 2.Se6#
      • 1...Ke5!
  • Keys
    • 1.Qa5!
      • threat
        • 2.Sa4#
      • 1...Kc3
        • 2.Sxe4#
      • 1...Ke3
        • 2.Sb3#
      • 1...Ke5
        • 2.Sb7#
      • 1...e3
        • 2.Sc6#
      • 1...e5
        • 2.Sc2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(A);S_FLIGHT
      • Threat
        • DUALS(3)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • S(F);CHECK,XP(f)
      • Vars
        • K(b);S_FLIGHT::QAR1(I)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • S(F);CHECK
      • Vars
        • K(b);S_FLIGHT::QAR(I)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(I);
      • Threat
        • DUALS(3)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • Q(I);
    • Threat
      • B(H)+S(F)
    • Vars
      • K(b);S_FLIGHT::S(F),XP(c)
      • K(b);S_FLIGHT::B(H)+S(F)
      • K(b);S_FLIGHT::QAR(I)+S(F)
      • P(c);SBLOCK::S(D)
      • P(f);SBLOCK::S(D)
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