MESON Chess Problem Database

Problem Display
PID: 121279 (3bb3/3pP1p1/3Pk1p1/3p2P1/2P5/6K1/5Q2/8 w - - 0 1)

Dehler, Ernst Georg

Neuburger Wochenschach, 1912

3bb3/3pP1p1/3Pk1p1/3p2P1/2P5/6K1/5Q2/8

#2

6 + 7

6490 yacpdb 2009
15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Tries
    • 1.exd8S+?
      • 1...Ke5
        • 2.Qf4#
      • 1...Kxd6!
  • Keys
    • 1.Qc5!
      • threat
        • 2.Qxd5#
      • 1...Ke5
        • 2.Qxd5#
      • 1...Kf5
        • 2.Qxd5#
      • 1...Kf7
        • 2.Qxd5#
      • 1...dxc4
        • 2.exd8S#
      • 1...d4
        • 2.Qd5#
        • 2.exd8S#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(F);CHECK,XB(f)
      • Vars
        • K(b);P-FLIGHT::QAB1(A)
      • Refutation
        • K(b);P-FLIGHT,XP(E)
  • Actual
    • Q(A);
    • Threat
      • QAB1(A),XP(a)
    • Vars
      • K(b);P-FLIGHT,P_SPINP(a)::QAR1(A),XP(a)
      • K(b);P_SPINP(a),S_FLIGHT::QAR2(A),XP(a)
      • K(b);S_FLIGHT::QAB(A),XP(a)
      • P(a);XP(C)::PXB(f)=S
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