MESON Chess Problem Database

Problem Display
PID: 181812 (b7/8/8/2K3Q1/3N4/1P1B2B1/3p4/3k4 w - - 0 1)

von Wardener, Friedrich Freiherr

Cs, 1905

b7/8/8/2K3Q1/3N4/1P1B2B1/3p4/3k4

#2

6 + 3

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Sf3?
      • threat
        • 2.Qxd2#
      • 1...Kc1
        • 2.Qxd2#
      • 1...Bxf3!
  • Keys
    • 1.Be1!
      • threat
        • 2.Qxd2#
      • 1...Kc1
        • 2.Qxd2#
      • 1...Kxe1
        • 2.Qg1#
      • 1...dxe1Q
        • 2.Bc2#
      • 1...dxe1S
        • 2.Be2#
      • 1...dxe1B
        • 2.Bc2#
        • 2.Be2#
      • 1...dxe1R
        • 2.Bc2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);
      • Threat
        • QAR1(F),XP(b)
      • Vars
        • K(a);P-FLIGHT,P_SPINP(b)::QAB1(F),XP(b)
      • Refutation
        • B(c);XS(D)
  • Actual
    • B(C);
    • Threat
      • QAR1(F),XP(b)
    • Vars
      • K(a);P-FLIGHT,P_SPINP(b)::QAB1(F),XP(b)
      • K(a);OGATEB,P-FLIGHT,XB(C)::QAR2(F)
      • P(b);SBLOCK,XB(C)::B(B)
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