MESON Chess Problem Database

Problem Display
PID: 99511 (4K3/8/8/6n1/1NQ1B3/8/N2p1pP1/3kr2R w - - 0 1)

Kubbel, Leonid Ivanovich (AKA Kubbel, Karl Artur Leonid)

Magyar Sakkvilag, 1913

4K3/8/8/6n1/1NQ1B3/8/N2p1pP1/3kr2R

#2

7 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rf1
      • 2.Rxf1#
      • 2.Qxf1#
    • 1...Se6
      • 2.Bc2#
      • 2.Bf3#
  • Keys
    • 1.Qe6!
      • threat
        • 2.Bc2#
      • 1...Ke2
        • 2.Bf3#
      • 1...Sxe4
        • 2.Qg4#
      • 1...Sxe6
        • 2.Bf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(E);N_SPINB(F)
    • Threat
      • B(F)
    • Vars
      • K(a);N_SPINR(b),S_FLIGHT::QAR(E)+B(F),DCHECK
      • S(e);N_GUARD,XB(F)::QAB(E)
      • S(e);N_GUARD,XQ(E)::B(F)
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