MESON Chess Problem Database

Problem Display
PID: 108277 (5Q2/8/4R3/8/2b1B1p1/4k3/4p3/4B1Kn w - - 0 1)

Erlin, Konrad (AKA Erlinger, Konrad)

La Presse, 1911

5Q2/8/4R3/8/2b1B1p1/4k3/4p3/4B1Kn

#2

5 + 5

6490 yacpdb 2009
5454 Near Snap 2015

SOLUTION

  • SOUND
  • Sets
    • 1...Sf2
      • 2.Qxf2#
    • 1...Sg3
      • 2.Qf2#
  • Keys
    • 1.Qb4!
      • threat
        • 2.Qd2#
      • 1...Kd4
        • 2.Qb6#
      • 1...Kf4
        • 2.Qd2#
      • 1...Bxe6
        • 2.Bd2#
      • 1...Bd3
        • 2.Bd2#

Anticipated by 4911(1893)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 2
  • Sets
    • S(a);N_GUARD::QAB1(E),XS(a)
    • S(a);N_GUARD::QAB1(E)
  • Actual
    • Q(E);
    • Threat
      • QAB1(E)
    • Vars
      • K(c);P_SPINB(d),S_FLIGHT::QAB(E)
      • K(c);S_FLIGHT::QAB(E)
      • B(d);XR(D)::B(A)
      • B(d);::B(A)
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