MESON Chess Problem Database

Problem Display
PID: 64983 (B7/1qN2b2/r7/2P1p3/RP1kp3/4p2r/2PNQ3/R3K1B1 w Q - 0 1)

Kovacevic, Marjan

1st Prize, diagrammes, 1988

B7/1qN2b2/r7/2P1p3/RP1kp3/4p2r/2PNQ3/R3K1B1

#2

11 + 8

5159 FIDE Album (1986-1988) (Annexe) 1996

SOLUTION

  • SOUND
  • Sets
    • 1...Qd5
      • 2.Sb5#
    • 1...Qc8
      • 2.Sb5#
    • 1...Qb5
      • 2.Sxb5#
    • 1...Qa7
      • 2.Sb5#
    • 1...Rh1
      • 2.Qxe3#
    • 1...Rh2
      • 2.Qxe3#
    • 1...Rh4
      • 2.Qxe3#
    • 1...Rh5
      • 2.Qxe3#
    • 1...Rhh6
      • 2.Qxe3#
    • 1...Rh7
      • 2.Qxe3#
    • 1...Rh8
      • 2.Qxe3#
    • 1...Re6
      • 2.Qc4#
    • 1...Bc4
      • 2.Qxc4#
    • 1...Bh5
      • 2.Qc4#
    • 1...Bg6
      • 2.Qc4#
    • 1...Be8
      • 2.Qc4#
  • Tries
    • 1.Sxe4?
      • threat
        • 2.Qd3#
      • 1...Qxb4+
        • 2.c3#
      • 1...Kxe4
        • 2.Qg4#
      • 1...Qxe4
        • 2.Sb5#
      • 1...Qb5
        • 2.Sxb5#
        • 2.c3#
      • 1...Bc4!
  • Keys
    • 1.0-0-0!
      • threat
        • 2.Sb1#
      • 1...Kc3
        • 2.Sb1#
      • 1...Qxb4
        • 2.Sxe4#
      • 1...Qb5
        • 2.Sxb5#
      • 1...Bc4
        • 2.Qxc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 14
  • Sets
    • Q(g);N_GUARD::S(J)
    • Q(g);N_GUARD::S(J),XQ(g)
    • R(b);N_GUARD,P_PINB(C)::QAB1(F),XP(a)
    • R(b);N_GUARD::QAB1(F),XP(a)
    • R(f);S_CUTB(h)::QAR1(F)
    • B(h);N_GUARD::QAR1(F),XB(h)
    • B(h);N_GUARD::QAR1(F)
  • Tries
    • Try
      • S(E);XP(d)
      • Threat
        • QAR1(F)
      • Vars
        • Q(g);CHECK,P_SPINQ(g),XP(H)::P(D)
        • K(c);OGATEB,P-FLIGHT,P_SPINQ(g),XS(E)::QAR2(F)
        • Q(g);N_GUARD,XS(E)::S(J)
      • Refutation
        • B(h);
  • Actual
    • K(B);0-0-0
    • Threat
      • R(A)+S(E)
    • Vars
      • K(c);N_SPINP(a),S_FLIGHT::S(E)
      • Q(g);P_SPINQ(g),XP(H)::R(A)+S(E),XP(d)
      • Q(g);N_GUARD::S(J),XQ(g)
      • B(h);N_GUARD::QAR1(F),XB(h)
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