MESON Chess Problem Database

Problem Display
PID: 143547 (8/4B3/8/3P2r1/p1k2PB1/2P5/K2bN3/1Q1N3b w - - 0 1)

Labai, Zoltan

3rd Prize, Shakhmatnaya Poeziya, 2005

8/4B3/8/3P2r1/p1k2PB1/2P5/K2bN3/1Q1N3b

#2

9 + 5

23 Die Schwalbe 2011
15323 FIDE Album (2004-2006) 2013

SOLUTION

  • SOUND
  • Sets
    • 1...Be1
      • 2.Se3#
    • 1...Bxc3
      • 2.Se3#
    • 1...Be3
      • 2.Sxe3#
  • Tries
    • 1.Sb2+?
      • 1...Kxd5
        • 2.Qxh1#
      • 1...Kb5!
    • 1.Sf2?
      • threat
        • 2.Qd3#
      • 1...Kxd5
        • 2.Qb5#
      • 1...Rxd5
        • 2.Qb4#
      • 1...Be4!
    • 1.Sd4?
      • threat
        • 2.Qb5#
      • 1...Kxd5
        • 2.Be6#
      • 1...Rxd5
        • 2.Be2#
      • 1...Bxc3!
  • Keys
    • 1.Bd7!
      • threat
        • 2.Qb5#
      • 1...Kxd5
        • 2.Qd3#
      • 1...Rxd5
        • 2.Sb2#

There are these versions: 246411

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • B(b);N_GUARD::S(B)
    • B(b);N_GUARD,XP(E)::S(B)
    • B(b);N_GUARD::S(B),XB(b)
  • Tries
    • Try
      • S(B);CHECK
      • Vars
        • K(d);S_FLIGHT,XP(H)::QAB(A),XB(a)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • S(B);
      • Threat
        • QAB1(A)
      • Vars
        • K(d);S_FLIGHT,XP(H)::QAR2(A)
        • R(e);SBLOCK,XP(H)::QAR1(A)
      • Refutation
        • B(a);
    • Try
      • S(D);
      • Threat
        • QAB1(A)
      • Vars
        • K(d);OGATEB,S_FLIGHT,XP(H)::B(G)
        • R(e);SBLOCK,XP(H)::B(G)
      • Refutation
        • B(b);XP(E)
  • Actual
    • B(G);
    • Threat
      • QAB1(A)
    • Vars
      • K(d);S_FLIGHT,XP(H)::QAR2(A)
      • R(e);SBLOCK,XP(H)::S(B)
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