MESON Chess Problem Database

Problem Display
PID: 65383 (6Qb/2N5/4B3/4p3/r1b5/2k3K1/1R1R4/4N3 w - - 0 1)

Subotic, Miroslav

1st HM., The Problemist, 1993

6Qb/2N5/4B3/4p3/r1b5/2k3K1/1R1R4/4N3

#2

7 + 5

5416 FIDE Album (1992-1994) (Annexe) 2003

SOLUTION

  • SOUND
  • Sets
    • 1...Ba2
      • 2.Sb5#
    • 1...Bb5
      • 2.Sxb5#
    • 1...e4
      • 2.Qxh8#
  • Tries
    • 1.Bxc4?
      • threat
        • 2.Sb5#
      • 1...Rb4
        • 2.Rbc2#
      • 1...Ra5!
    • 1.Qh7?
      • threat
        • 2.Qc2#
      • 1...Bd3
        • 2.Qxd3#
      • 1...e4
        • 2.Qxh8#
      • 1...Bb3!
    • 1.Qg4?
      • threat
        • 2.Rdc2#
      • 1...Bb3
        • 2.Sb5#
      • 1...Bd3
        • 2.Sd5#
      • 1...e4!
    • 1.Qc8?
      • threat
        • 2.Sb5#
        • 2.Sd5#
      • 1...Bb3
        • 2.Sd5#
      • 1...Bd3
        • 2.Sb5#
      • 1...Bd5
        • 2.Sb5#
        • 2.Sxd5#
      • 1...Rb4
        • 2.Sd5#
      • 1...Bb5
        • 2.Sxb5#
        • 2.Sd5#
      • 1...Ra5!
    • 1.Qd8?
      • threat
        • 2.Rdc2#
      • 1...Bb3
        • 2.Rxb3#
      • 1...Bd3
        • 2.Qxd3#
      • 1...Bd5!
  • Keys
    • 1.Qb8!
      • threat
        • 2.Rbc2#
      • 1...Bd3
        • 2.Rxd3#
      • 1...Ra2
        • 2.Qb4#
      • 1...Rb4
        • 2.Qxb4#
      • 1...Bb3
        • 2.Qxb3#
      • 1...Bb5
        • 2.Sxb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 2
  • Sets
    • B(c);N_GUARD::S(F)
    • B(c);N_GUARD::S(F),XB(c)
    • P(d);OGATEB::QAB(G),XB(e)
  • Tries
    • Try
      • B(E);XB(c)
      • Threat
        • S(F)
      • Vars
        • R(b);SBLOCK::R1(B)
      • Refutation
        • R(b);
    • Try
      • Q(G);
      • Threat
        • QAR1(G)
      • Vars
        • B(c);N_GUARD::QAR1(G),XB(c)
        • P(d);OGATEB::QAB(G),XB(e)
      • Refutation
        • B(c);
    • Try
      • Q(G);
      • Threat
        • R1(C)
      • Vars
        • B(c);N_GUARD::S(F)
      • Refutation
        • P(d);
    • Try
      • Q(G);
      • Threat
        • DUALS(2)
      • Vars
        • B(c);::QAR(G)+S(F),DCHECK
        • R(b);::S(F)
      • Refutation
        • R(b);
    • Try
      • Q(G);
      • Threat
        • R1(C)
      • Vars
        • B(c);N_GUARD::R1(B),XB(c)
        • B(c);N_GUARD::QAR1(G),XB(c)
      • Refutation
        • B(c);
  • Actual
    • Q(G);
    • Threat
      • R1(B)
    • Vars
      • B(c);N_GUARD::R1(C),XB(c)
      • R(b);N_GUARD::QAB1(G)
      • R(b);N_GUARD::QAB1(G),XR(b)
      • B(c);N_GUARD::QAR1(G),XB(c)
      • B(c);N_GUARD::S(F),XB(c)
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