MESON Chess Problem Database

Problem Display
PID: 187442 (2b1rrnb/8/8/1Q2PP1R/3pkp2/1Np4N/B1n2K2/8 w - - 0 1)

Bruch, Wieland

Der Tagesspiegel (Berlin), 2001

(First published on Sun Jul 29 2001)

2b1rrnb/8/8/1Q2PP1R/3pkp2/1Np4N/B1n2K2/8

#2

8 + 10

16210 Problemschach-Jahrbuch (2001) 2002

SOLUTION

  • SOUND
  • Sets
    • 1...Bxf5
      • 2.Sg5#
    • 1...Bxe5
      • 2.Sc5#
  • Tries
    • 1.Qc6+?
      • 1...Kd3
        • 2.Sxf4#
      • 1...Kxe5!
    • 1.Qd5+?
      • 1...Kd3
        • 2.Sxf4#
      • 1...Kxd5!
    • 1.e6?
      • threat
        • 2.Sg5#
      • 1...Rxf5
        • 2.Qxf5#
      • 1...Be5
        • 2.Sc5#
      • 1...f3
        • 2.Rh4#
      • 1...Bf6!
  • Keys
    • 1.f6!
      • threat
        • 2.Sc5#
      • 1...Rxe5
        • 2.Rxe5#
      • 1...Bf5
        • 2.Sg5#
      • 1...d3
        • 2.Qc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • B(f);SBLOCK,XP(G)::S(D)
    • B(j);SBLOCK,XP(F)::S(C)
  • Tries
    • Try
      • Q(E);CHECK
      • Vars
        • K(d);S_FLIGHT::S(D),XP(e)
      • Refutation
        • K(d);P-FLIGHT,XP(F)
    • Try
      • Q(E);CHECK
      • Vars
        • K(d);P_SPINP(c),S_FLIGHT::S(D),XP(e)
      • Refutation
        • K(d);S_FLIGHT,XQ(E)
    • Try
      • P(F);
      • Threat
        • S(D)
      • Vars
        • R(h);OGATE,XP(G)::QAB1(E),XR(h)
        • B(j);SBLOCK::S(C)
        • P(e);OGATEB::R(H)
      • Refutation
        • B(j);
  • Actual
    • P(G);
    • Threat
      • S(C)
    • Vars
      • R(g);OGATE,XP(F)::R1(H),XR(g)
      • B(f);SBLOCK::S(D)
      • P(c);SBLOCK::QAB(E)
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