MESON Chess Problem Database

Problem Display
PID: 231375 (bK6/5n2/4Q3/2krR3/Pp1p4/1P1P4/8/8 w - - 0 1)

Noordermeer, B

De Nieuwe Eeuw, 1927

bK6/5n2/4Q3/2krR3/Pp1p4/1P1P4/8/8

#2

6 + 6

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Qxd5+?
      • 1...Kb6
        • 2.Qb5#
      • 1...Bxd5!
  • Keys
    • 1.Kc7!
      • threat
        • 2.Qb6#
      • 1...Rxe5
        • 2.Qc4#
      • 1...Bc6
        • 2.Qxc6#
      • 1...Sd6
        • 2.Qxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(E);CHECK,XR(d)
      • Vars
        • K(c);OGATE,S_FLIGHT::QAR1(E)
      • Refutation
        • B(f);P_SPINB(f),XQ(E)
  • Actual
    • K(F);S_FLIGHT
    • Threat
      • QAB1(E)
    • Vars
      • R(d);N_SPINR(d),OGATE,XR(D)::QAR1(E)
      • B(f);N_GUARD::QAR1(E),XB(f)
      • S(e);N_GUARD::QAB1(E),XS(e)
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