MESON Chess Problem Database

Problem Display
PID: 190396 (4r3/1Q6/2N1Rp2/4n3/3pr3/1K1pk3/5R2/6B1 w - - 0 1)

Fiedler, Frank

Leipziger Volkszeitung, 2000

(First published on Fri Nov 17 2000)

4r3/1Q6/2N1Rp2/4n3/3pr3/1K1pk3/5R2/6B1

#2

6 + 7

16210 Problemschach-Jahrbuch (2001) 2002

SOLUTION

  • SOUND
  • Tries
    • 1.Rg2+?
      • 1...Kf4
        • 2.Rxf6#
      • 1...Kf3!
  • Keys
    • 1.Sxd4!
      • threat
        • 2.Sf5#
      • 1...Kxd4
        • 2.Rf4#
      • 1...Rxd4
        • 2.Qf3#
      • 1...Sf3
        • 2.Qxe4#
      • 1...d2
        • 2.Rf3#
      • 1...Rf4
        • 2.Re2#
      • 1...f5
        • 2.Sxf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);CHECK
      • Vars
        • K(b);S_FLIGHT::R(E),XP(f)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • S(D);XP(c)
    • Threat
      • S(D)
    • Vars
      • K(b);S_FLIGHT,XS(D)::B(A)+R(B)
      • R(d);OGATE,P_SPINS(e),SBLOCK,XS(D)::QAR1(F)
      • S(e);P_SPINR(d)::QAR1(F),XR(d)
      • P(a);SBLOCK::B(A)+R(B),DCHECK
      • R(d);P_SPINS(e),SBLOCK::B(A)+R(B),DCHECK
      • P(f);::S(D),XP(f)
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