MESON Chess Problem Database

Problem Display
PID: 174158 (B1Q2N2/p1p5/Rb2P3/2k5/5P2/1P6/2K5/4B3 w - - 0 1)

Buchner, Richard

Arbeiter Shachverein Kitzingen, 1924

B1Q2N2/p1p5/Rb2P3/2k5/5P2/1P6/2K5/4B3

#2

9 + 4

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Bf2#
  • Tries
    • 1.Ra5+?
      • 1...Kd4
        • 2.Bf2#
      • 1...Kd6
        • 2.Qd7#
        • 2.Qd8#
      • 1...Bxa5!
    • 1.Qxc7+?
      • 1...Kd4
        • 2.Bf2#
        • 2.Qe5#
        • 2.Qc3#
      • 1...Kb5
        • 2.Qc4#
      • 1...Bxc7!
  • Keys
    • 1.Qb8!
      • 1...Kd4
        • 2.Bf2#
      • 1...Kb5
        • 2.Ra5#
      • 1...Kd6
        • 2.Bb4#
      • 1...Ba5
        • 2.Bf2#
      • 1...c6
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(a);N_SPINP(d),S_FLIGHT::B(A)
  • Tries
    • Try
      • R(E);CHECK
      • Vars
        • K(a);N_SPINP(d),S_FLIGHT::B(A)
      • Refutation
        • B(b);XR(E)
    • Try
      • Q(H);CHECK,XP(d)
      • Vars
        • K(a);OGATE,P-FLIGHT::QAB1(H)
      • Refutation
        • B(b);XQ(H)
  • Actual
    • Q(H);N_PINP(d)
    • Vars
      • K(a);S_FLIGHT::B(A)
      • K(a);P-FLIGHT,P_SPINB(b)::R1(E)
      • K(a);P_SPINB(b),P_SPINP(d),S_FLIGHT::B(A)
      • B(b);::B(A)
      • P(d);OGATE::QAR2(H)
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