MESON Chess Problem Database

Problem Display
PID: 183150 (8/8/5r2/k1B1Q3/2B5/8/K4p2/3n3b w - - 0 1)

von Wardener, Friedrich Freiherr

Deutsches Wochenschach, 1907

8/8/5r2/k1B1Q3/2B5/8/K4p2/3n3b

#2

4 + 5

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Bd4+?
      • 1...Ka4
        • 2.Qb5#
      • 1...Kb4
        • 2.Qb5#
      • 1...Bd5!
    • 1.Qc3+?
      • 1...Ka4
        • 2.Qb4#
        • 2.Qa3#
      • 1...Sxc3+!
  • Keys
    • 1.Kb3!
      • threat
        • 2.Qa1#
      • 1...Rf3+
        • 2.Be3#
      • 1...Rb6+
        • 2.Bb4#
      • 1...Bc6
        • 2.Qc7#
      • 1...Sb2
        • 2.Qc3#
      • 1...Sc3
        • 2.Qxc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(C);CHECK
      • Vars
        • K(d);P-FLIGHT::QAB1(D)
        • K(d);S_FLIGHT::QAR1(D)
      • Refutation
        • B(b);P_PINB(B),P_SPINB(b)
    • Try
      • Q(D);CHECK
      • Refutation
        • S(a);CHECK,XQ(D)
  • Actual
    • K(A);S_FLIGHT
    • Threat
      • QAR(D)
    • Vars
      • R(e);CHECK,S_CUTB(b)::QAR(D)+B(C)
      • R(e);CHECK,SBLOCK::QAR(D)+B(C),DCHECK
      • B(b);S_CUTR(e)::QAB(D)
      • S(a);N_GUARD::QAB(D)
      • S(a);N_GUARD::QAB(D),XS(a)
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