MESON Chess Problem Database

Problem Display
PID: 23167 (8/2b1p3/8/6Q1/4k3/2R5/1n2K3/8 w - - 0 1)

Lincoln, Robert A

Fun with Chess Miniatures, 1996

8/2b1p3/8/6Q1/4k3/2R5/1n2K3/8

#2

3 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Sd1
      • 2.Rc4#
    • 1...Sd3
      • 2.Rc4#
    • 1...Sa4
      • 2.Rc4#
    • 1...Sc4
      • 2.Rxc4#
  • Keys
    • 1.Rc5!
      • threat
        • 2.Qe3#
      • 1...Kd4
        • 2.Qe3#
        • 2.Qd5#
      • 1...Bf4
        • 2.Qd5#
      • 1...Be5
        • 2.Qxe5#
      • 1...Sd1
        • 2.Rc4#
      • 1...Sc4
        • 2.Rxc4#
      • 1...e5
        • 2.Qg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • S(a);N_GUARD::R(B)
    • S(a);N_GUARD::R(B),XS(a)
  • Actual
    • R(B);
    • Threat
      • QAR1(C)
    • Vars
      • B(c);SBLOCK::QAB1(C)
      • B(c);N_GUARD::QAR1(C),XB(c)
      • S(a);N_GUARD::R(B)
      • S(a);N_GUARD::R(B),XS(a)
      • P(d);S_CUTB(c)::QAR2(C)
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