MESON Chess Problem Database

Problem Display
PID: 24131 (8/8/Q7/8/b7/8/1K1p2N1/3k3r w - - 0 1)

Lincoln, Robert A

StrateGems, 1998

8/8/Q7/8/b7/8/1K1p2N1/3k3r

#2

3 + 4

2786 More Fun with Chess Miniatures 2000

SOLUTION

  • SOUND
  • Sets
    • 1...Rf1
      • 2.Qxf1#
    • 1...Rh2
      • 2.Qf1#
    • 1...Rh3
      • 2.Qf1#
    • 1...Rh4
      • 2.Qf1#
    • 1...Rh5
      • 2.Qf1#
    • 1...Rh6
      • 2.Qf1#
    • 1...Rh7
      • 2.Qf1#
    • 1...Rh8
      • 2.Qf1#
  • Keys
    • 1.Sf4!
      • threat
        • 2.Qe2#
      • 1...Ke1
        • 2.Qe2#
      • 1...Re1
        • 2.Qxa4#
      • 1...Rh2
        • 2.Qf1#
      • 1...Bb5
        • 2.Qa1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 7
  • Sets
    • R(b);N_GUARD::QAR2(C),XR(b)
    • R(b);N_GUARD::QAR2(C)
  • Actual
    • S(B);
    • Threat
      • QAB1(C)
    • Vars
      • K(a);P-FLIGHT::QAR1(C)
      • R(b);SBLOCK::QAB(C),XB(d)
      • R(b);N_GUARD::QAR2(C)
      • B(d);OGATE::QAR(C)
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