MESON Chess Problem Database

Problem Display
PID: 104618 (2b1r1N1/8/2BQ4/B3PP2/5k1K/4p3/2N5/8 w - - 0 1)

Susic, Tomislav

Bilten, 2002

2b1r1N1/8/2BQ4/B3PP2/5k1K/4p3/2N5/8

#2

8 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kxf5
      • 2.Qf6#
    • 1...Bxf5
      • 2.e6#
  • Tries
    • 1.Sxe3?
      • threat
        • 2.Qd4#
      • 1...Kxe3
        • 2.Qd2#
      • 1...Rxe5
        • 2.Qh6#
      • 1...Bxf5
        • 2.Sg2#
      • 1...Rd8!
    • 1.Qh6+?
      • 1...Kxf5
        • 2.Qf6#
      • 1...Kxe5!
  • Keys
    • 1.Qd3!
      • threat
        • 2.Qe4#
      • 1...Kxe5
        • 2.Bc7#
      • 1...Rxe5
        • 2.Qf1#
      • 1...Bxf5
        • 2.Qxe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • K(b);OGATEB,P-FLIGHT,XP(E)::QAR1(G)
    • B(c);SBLOCK,XP(E)::QAB(G)+P(D)
  • Tries
    • Try
      • S(A);XP(a)
      • Threat
        • QAR2(G)
      • Vars
        • K(b);OGATEB,S_FLIGHT,XS(A)::QAB1(G)
        • R(d);P_SPINR(d),SBLOCK,XP(D)::QAB(G)
        • B(c);SBLOCK,XP(E)::S(A)
      • Refutation
        • R(d);
    • Try
      • Q(G);CHECK
      • Vars
        • K(b);OGATEB,P-FLIGHT,XP(E)::QAR1(G)
      • Refutation
        • K(b);S_FLIGHT,XP(D)
  • Actual
    • Q(G);
    • Threat
      • QAR1(G)
    • Vars
      • K(b);OGATEB,S_FLIGHT,XP(D)::B(C)
      • R(d);SBLOCK,XP(D)::QAR(G)
      • B(c);SBLOCK,XP(E)::QAB1(G),XP(a)
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