MESON Chess Problem Database

Problem Display
PID: 46534 (2b5/8/5R2/6K1/4k3/1n3p2/8/3Q4 w - - 0 1)

Lincoln, Robert A

Still More Fun with Chess Miniatures, 2002

2b5/8/5R2/6K1/4k3/1n3p2/8/3Q4

#2

3 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Ba6
      • 2.Re6#
    • 1...Be6
      • 2.Rxe6#
    • 1...Bb7
      • 2.Re6#
  • Keys
    • 1.Rd6!
      • threat
        • 2.Qe1#
      • 1...Ke3
        • 2.Qe1#
      • 1...Ke5
        • 2.Qd5#
      • 1...Ba6
        • 2.Re6#
      • 1...Sc1
        • 2.Qd4#
      • 1...Sd4
        • 2.Qxd4#
      • 1...f2
        • 2.Qe2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 2
  • Sets
    • B(d);N_GUARD::R(C)
    • B(d);N_GUARD::R(C),XB(d)
  • Actual
    • R(C);
    • Threat
      • QAR(A)
    • Vars
      • K(c);P-FLIGHT::QAR2(A)
      • K(c);P-FLIGHT::QAR1(A)
      • B(d);N_GUARD::R(C)
      • S(a);N_GUARD::QAR1(A)
      • S(a);N_GUARD::QAR1(A),XS(a)
      • P(b);N_GUARD::QAR2(A)
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