MESON Chess Problem Database

Problem Display
PID: 208048 (B1r5/3P4/3p1Bn1/q3p3/2p1rb2/1b1n1kN1/3P3P/2Q2K1R w - - 0 1)

Crotty, CS

Dubuque Chess Journal, 1873

B1r5/3P4/3p1Bn1/q3p3/2p1rb2/1b1n1kN1/3P3P/2Q2K1R

#2

9 + 11

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Bd1
      • 2.Qxd1#
    • 1...Ba2
      • 2.Qd1#
  • Keys
    • 1.Bxe4+!
      • 1...Kg4
        • 2.dxc8Q#
        • 2.dxc8B#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 2
  • Sets
    • B(a);N_GUARD::QAB(A),XB(a)
    • B(a);N_GUARD::QAB(A)
  • Actual
    • B(I);CHECK,XR(e)
    • Vars
      • K(c);S_FLIGHT::PXR(k)=Q
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