MESON Chess Problem Database

Problem Display
PID: 49407 (8/2p5/7B/2k2K2/Q2RP3/5p2/8/1r6 w - - 0 1)

Laws, Benjamin Glover

British Chess Magazine, 1885

8/2p5/7B/2k2K2/Q2RP3/5p2/8/1r6

#2

5 + 4

58 Tijdschrift vd NSB 1893
5454 Near Snap 2012

SOLUTION

  • SOUND
  • Sets
    • 1...Rb6
      • 2.Rd5#
      • 2.Qc4#
  • Tries
    • 1.Rc4+?
      • 1...Kd6
        • 2.Bf8#
      • 1...Kb6!
  • Keys
    • 1.Rd6!
      • threat
        • 2.Rc6#
      • 1...Kxd6
        • 2.Bf8#
      • 1...cxd6
        • 2.Be3#
      • 1...Rb4
        • 2.Qc6#
      • 1...c6
        • 2.Rxc6#
      • 1...Rb5
        • 2.Qd4#
      • 1...Rb6
        • 2.Rd5#

This anticipates 158298(1895), 145907(1917), 196626(1985)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);CHECK
      • Vars
        • K(c);S_FLIGHT::B(E)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • R(B);
    • Threat
      • R1(B)
    • Vars
      • K(c);OGATEB,S_FLIGHT,XR(B)::B(E)
      • P(d);SBLOCK,XR(B)::B(E)
      • R(a);SBLOCK::QAR1(A)
      • P(d);::R1(B),XP(d)
      • R(a);SBLOCK::QAB1(A)
      • R(a);SBLOCK::R1(B)
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