MESON Chess Problem Database

Problem Display
PID: 56192 (5K2/BN2p3/2B5/1P1R1P1N/4k3/3p2p1/2bn2P1/8 w - - 0 1)

Bruchner, Siegfried

Troll, 1994

5K2/BN2p3/2B5/1P1R1P1N/4k3/3p2p1/2bn2P1/8

#2

9 + 6

6114 Problemschach-Jahrbuch (1994) 1995
5454 Near Snap 2007

SOLUTION

  • SOUND
  • Sets
    • 1...e5
      • 2.Sd6#
    • 1...e6
      • 2.Sd6#
  • Tries
    • 1.Bf2?
      • threat
        • 2.Sc5#
        • 2.Rc5#
      • 1...e5
        • 2.Sd6#
      • 1...Bb3
        • 2.Sc5#
      • 1...Sb3
        • 2.Rc5#
      • 1...gxf2!
    • 1.Bd4?
      • threat
        • 2.Sc5#
      • 1...e5
        • 2.Sd6#
      • 1...Sb3!
    • 1.Rc5+?
      • 1...Ke3
        • 2.Re5#
      • 1...Kd4!
    • 1.f6?
      • threat
        • 2.Rg5#
      • 1...e5
        • 2.Sd6#
      • 1...Bb3!
  • Keys
    • 1.Bg1!
      • threat
        • 2.Sc5#
        • 2.Rc5#
      • 1...e5
        • 2.Sd6#
      • 1...Bb3
        • 2.Sc5#
      • 1...Sb3
        • 2.Rc5#

Anticipated by 74208(1993)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • P(f);N_GUARD::S(H)
  • Tries
    • Try
      • B(G);
      • Threat
        • DUALS(2)
      • Vars
        • P(f);N_GUARD::S(H)
        • B(a);::S(H)
        • S(b);::B(F)+R(C)
      • Refutation
        • P(d);XB(G)
    • Try
      • B(G);
      • Threat
        • S(H)
      • Vars
        • P(f);N_GUARD::S(H)
      • Refutation
        • S(b);
    • Try
      • R(C);CHECK
      • Vars
        • K(e);P-FLIGHT::B(G)+R(C),DCHECK
      • Refutation
        • K(e);P-FLIGHT
    • Try
      • P(D);
      • Threat
        • B(F)+R(C)
      • Vars
        • P(f);N_GUARD::S(H)
      • Refutation
        • B(a);
  • Actual
    • B(G);
    • Threat
      • DUALS(2)
    • Vars
      • P(f);N_GUARD::S(H)
      • B(a);::S(H)
      • S(b);::B(F)+R(C)
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