MESON Chess Problem Database

Problem Display
PID: 135629 (8/5Kp1/3Q4/5k2/5N2/3R4/8/b7 w - - 0 1)

Lincoln, Robert A

StrateGems, 2010

8/5Kp1/3Q4/5k2/5N2/3R4/8/b7

#2

4 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Sh3?
      • threat
        • 2.Qf4#
        • 2.Qe6#
      • 1...Ke4
        • 2.Qd5#
      • 1...Be5
        • 2.Qg6#
      • 1...g5
        • 2.Qe6#
      • 1...Kg4!
  • Keys
    • 1.Sg2!
      • threat
        • 2.Qf4#
      • 1...Ke4
        • 2.Qd5#
      • 1...Kg4
        • 2.Qg6#
      • 1...Kg5
        • 2.Qg6#
      • 1...Be5
        • 2.Qg6#
      • 1...g5
        • 2.Qe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Threat
        • DUALS(2)
      • Vars
        • K(b);S_FLIGHT::QAB1(C)
        • B(a);SBLOCK::QAB1(C)
        • P(c);::QAB1(C)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • S(B);
    • Threat
      • QAR1(C)
    • Vars
      • K(b);S_FLIGHT::QAB1(C)
      • K(b);S_FLIGHT::QAR2(C)
      • K(b);P-FLIGHT::QAR1(C)
      • B(a);SBLOCK::QAB1(C)
      • P(c);SBLOCK::QAB1(C)
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