MESON Chess Problem Database

Problem Display
PID: 144853 (8/5p1r/5p1p/1p3p2/1QNk4/3PR2K/2p4P/3r4 w - - 0 1)

Laws, Benjamin Glover

British Chess Magazine, 1913

8/5p1r/5p1p/1p3p2/1QNk4/3PR2K/2p4P/3r4

#2

6 + 9

14868 Pirnie Collection 2012

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.Qd6#
  • Tries
    • 1.Re4+?
      • 1...Kxd3
        • 2.Sb2#
      • 1...Kd5
        • 2.Qd6#
        • 2.Qxb5#
      • 1...fxe4!
    • 1.Re6?
      • threat
        • 2.Rd6#
      • 1...Rxd3+
        • 2.Se3#
      • 1...Kxd3
        • 2.Sb2#
      • 1...Kd5
        • 2.Rd6#
        • 2.Qd6#
      • 1...bxc4
        • 2.Qxc4#
      • 1...fxe6!
    • 1.Re8?
      • threat
        • 2.Rd8#
      • 1...Rxd3+
        • 2.Se3#
      • 1...Kxd3
        • 2.Sb2#
      • 1...Kd5
        • 2.Qd6#
      • 1...bxc4
        • 2.Qxc4#
      • 1...Rh8!
  • Keys
    • 1.Re7!
      • threat
        • 2.Rd7#
      • 1...Rxd3+
        • 2.Se3#
      • 1...Kxd3
        • 2.Sb2#
      • 1...Kd5
        • 2.Qd6#
      • 1...bxc4
        • 2.Qxc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(c);P-FLIGHT::QAR1(E)
  • Tries
    • Try
      • R(C);CHECK
      • Vars
        • K(c);P-FLIGHT,XP(B)::S(F)
      • Refutation
        • P(e);XR(C)
    • Try
      • R(C);
      • Threat
        • R(C)
      • Vars
        • R(a);CHECK,SBLOCK,XP(B)::QAR(E)+S(F)
        • K(c);P-FLIGHT,XP(B)::S(F)
        • P(d);OGATE,P_SPINP(d),XS(F)::QAR1(E),XP(d)
      • Refutation
        • P(h);XR(C)
    • Try
      • R(C);
      • Threat
        • R(C)
      • Vars
        • R(a);CHECK,SBLOCK,XP(B)::QAR(E)+S(F)
        • K(c);P-FLIGHT,XP(B)::S(F)
        • K(c);P-FLIGHT::QAR1(E)
        • P(d);OGATE,P_SPINP(d),XS(F)::QAR1(E),XP(d)
      • Refutation
        • R(i);
  • Actual
    • R(C);
    • Threat
      • R(C)
    • Vars
      • R(a);CHECK,SBLOCK,XP(B)::QAR(E)+S(F)
      • K(c);P-FLIGHT,XP(B)::S(F)
      • K(c);P-FLIGHT::QAR1(E)
      • P(d);OGATE,P_SPINP(d),XS(F)::QAR1(E),XP(d)
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