MESON Chess Problem Database

Problem Display
PID: 39784 (8/8/8/7n/3Q4/6kp/2R5/4bK2 w - - 0 1)

Lincoln, Robert A

More Fun with Chess Miniatures, 2000

8/8/8/7n/3Q4/6kp/2R5/4bK2

#2

3 + 4

SOLUTION

  • SOUND
  • Tries
    • 1.Rc3+?
      • 1...Kh2
        • 2.Qg1#
      • 1...Bxc3!
  • Keys
    • 1.Rc4!
      • 1...Kh2
        • 2.Qg1#
      • 1...Kf3
        • 2.Qd3#
      • 1...Sf4
        • 2.Qxf4#
      • 1...Bd2
        • 2.Qf2#
      • 1...Bf2
        • 2.Qxf2#
      • 1...Bc3
        • 2.Qf2#
      • 1...Bb4
        • 2.Qf2#
      • 1...Ba5
        • 2.Qf2#
      • 1...Sf6
        • 2.Qf4#
      • 1...Sg7
        • 2.Qf4#
      • 1...h2
        • 2.Qe3#
        • 2.Qd3#
        • 2.Qg4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);CHECK
      • Vars
        • K(b);S_FLIGHT::QAB1(C)
      • Refutation
        • B(a);XR(B)
  • Actual
    • R(B);
    • Vars
      • K(b);S_FLIGHT::QAB1(C)
      • K(b);P-FLIGHT::QAR2(C)
      • S(d);N_GUARD::QAB1(C),XS(d)
      • B(a);N_GUARD::QAB1(C)
      • B(a);N_GUARD::QAB1(C),XB(a)
      • S(d);N_GUARD::QAB1(C)
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