MESON Chess Problem Database

Problem Display
PID: 201599 (8/3Kp3/4P1pB/6P1/4N1k1/6p1/3Q2P1/8 w - - 0 1)

Oosterholt, Cornelis Johannes

De Maasbode, 1922

8/3Kp3/4P1pB/6P1/4N1k1/6p1/3Q2P1/8

#2

7 + 4

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Sxg3?
      • 1...Kh4
        • 2.Qf4#
      • 1...Kxg3!
    • 1.Qf4+?
      • 1...Kh5
        • 2.Sxg3#
      • 1...Kxf4!
  • Keys
    • 1.Qd4!
      • 1...Kf4
        • 2.Sd6#
      • 1...Kh4
        • 2.Sf6#
      • 1...Kf5
        • 2.Sxg3#
      • 1...Kh5
        • 2.Sxg3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);XP(a)
      • Vars
        • K(b);P-FLIGHT::QAR2(A)
      • Refutation
        • K(b);P-FLIGHT,XS(C)
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);S_FLIGHT::S(C),XP(a)
      • Refutation
        • K(b);P-FLIGHT,XQ(A)
  • Actual
    • Q(A);
    • Vars
      • K(b);P-FLIGHT::QAR(A)+S(C)
      • K(b);S_FLIGHT::S(C),XP(a)
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