MESON Chess Problem Database

Problem Display
PID: 63317 (8/5p2/7B/6P1/3p4/3B1p2/1p3R2/2knK2R w K - 0 1)

Keym, Werner

Sp. HM., Die Schwalbe, 2005

8/5p2/7B/6P1/3p4/3B1p2/1p3R2/2knK2R

#2

6 + 6

23 Die Schwalbe 2007

SOLUTION

  • SOUND
  • Sets
    • 1...Sxf2
      • 2.g6#
    • 1...Sc3
      • 2.g6#
    • 1...b1S
      • 2.Rc2#
    • 1...b1R
      • 2.Rc2#
  • Keys
    • 1.0-0!
      • threat
        • 2.g6#
      • 1...b1S
        • 2.Rc2#
      • 1...f5
        • 2.gxf5 ep#

This is after 63316

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • S(b);N_GUARD,XR(C)::B(F)+P(E)
    • S(b);N_GUARD::B(F)+P(E)
    • P(c);SBLOCK::R1(C)
  • Actual
    • K(A);0-0,P_PINS(b)
    • Threat
      • B(F)+P(E)
    • Vars
      • P(c);SBLOCK::R1(C)
      • P(f);OGATE::B(F)+P(E),XP(f),EP
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