MESON Chess Problem Database

Problem Display
PID: 190137 (7b/1Q3B2/2R5/4pk2/4b2B/8/6P1/4K3 w - - 0 1)

Clausen, TO

Magyar Sakkvilag, 1913

7b/1Q3B2/2R5/4pk2/4b2B/8/6P1/4K3

#2

6 + 4

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Tries
    • 1.Rf6+?
      • 1...Kg4
        • 2.Qxe4#
      • 1...Bxf6!
  • Keys
    • 1.Rc4!
      • threat
        • 2.Qxe4#
      • 1...Kf4
        • 2.Qxe4#
      • 1...Kg4
        • 2.Qxe4#
      • 1...Bxg2
        • 2.Qc8#
        • 2.Qd7#
      • 1...Bxb7
        • 2.g4#
      • 1...Bb1
        • 2.Qf3#
        • 2.Qc8#
        • 2.Qd7#
        • 2.g4#
      • 1...Bc2
        • 2.Qf3#
        • 2.Qc8#
        • 2.Qd7#
        • 2.g4#
      • 1...Bd3
        • 2.Qf3#
        • 2.Qc8#
        • 2.Qd7#
        • 2.g4#
      • 1...Bf3
        • 2.Qxf3#
        • 2.Qc8#
        • 2.Qd7#
      • 1...Bd5
        • 2.g4#
      • 1...Bc6
        • 2.g4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(D);CHECK
      • Vars
        • K(c);S_FLIGHT::QAR2(E),XB(a)
      • Refutation
        • B(d);XR(D)
  • Actual
    • R(D);
    • Threat
      • QAB1(E),XB(a)
    • Vars
      • K(c);P-FLIGHT,P_SPINB(a)::QAR1(E),XB(a)
      • K(c);P_SPINB(a),S_FLIGHT::QAR2(E),XB(a)
      • B(a);XQ(E)::P(B)
      • B(a);::P(B)
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Developed and maintained by Brian Stephenson.
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