MESON Chess Problem Database

Problem Display
PID: 234745 (5K2/8/4R3/2pk1b2/8/2P5/4Q3/8 w - - 0 1)

Lincoln, Robert A

Kudesnik, 2014

5K2/8/4R3/2pk1b2/8/2P5/4Q3/8

#2

4 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bh3
      • 2.Qe4#
    • 1...Be4
      • 2.Qxe4#
    • 1...Bg4
      • 2.Qe4#
    • 1...c4
      • 2.Qe5#
  • Keys
    • 1.Ke7!
      • threat
        • 2.Rd6#
      • 1...Bxe6
        • 2.Qxe6#
      • 1...Bd3
        • 2.Qxd3#
      • 1...c4
        • 2.Qe5#
      • 1...Be4
        • 2.Qxe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • B(c);N_GUARD::QAB1(A)
    • B(c);N_GUARD::QAB1(A),XB(c)
    • P(a);SBLOCK::QAR1(A)
  • Actual
    • K(D);S_FLIGHT
    • Threat
      • R1(C)
    • Vars
      • B(c);OGATE,XR(C)::QAB1(A),XB(c)
      • B(c);N_GUARD::QAR2(A),XB(c)
      • P(a);SBLOCK::QAR1(A)
      • B(c);N_GUARD::QAB1(A),XB(c)
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