MESON Chess Problem Database

Problem Display
PID: 132461 (6b1/1N5p/8/r3n2R/2rkp3/1P2p1N1/1bP5/2n1BQ1K w - - 0 1)

Hoffmann, Fritz

Wochenpost, 1994

6b1/1N5p/8/r3n2R/2rkp3/1P2p1N1/1bP5/2n1BQ1K

#2

8 + 10

6114 Problemschach-Jahrbuch (1994) 1995

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.Qxc4#
    • 1...Rd5
      • 2.Sf5#
    • 1...Bd5
      • 2.Sf5#
    • 1...Sf7
      • 2.Qxc4#
  • Tries
    • 1.Qf4?
      • threat
        • 2.Qxe4#
      • 1...Bd5
        • 2.Sf5#
        • 2.Qxe5#
      • 1...Kd5!
  • Keys
    • 1.Qf5!
      • threat
        • 2.Qxe4#
      • 1...Kd5
        • 2.Qd7#
      • 1...Bd5
        • 2.Qxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 2
  • Sets
    • K(e);P-FLIGHT,P_SPINS(h)::QAB1(B),XR(d)
    • R(g);SBLOCK::S(F)
    • B(j);SBLOCK::S(F)
    • S(h);N_GUARD,S_CUTB(j)::QAR1(B),XR(d)
  • Tries
    • Try
      • Q(B);P_PINP(f)
      • Threat
        • QAR1(B),XP(f)
      • Refutation
        • K(e);N_SPINP(f),P-FLIGHT,P_SPINS(h)
  • Actual
    • Q(B);
    • Threat
      • QAR1(B),XP(f)
    • Vars
      • K(e);P-FLIGHT,P_SPINS(h)::QAR2(B)
      • B(j);S_CUTR(g)::QAB1(B),XS(h)
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