MESON Chess Problem Database

Problem Display
PID: 30456 (q7/3N4/p4Qp1/2P1p3/K2pk1P1/5RP1/B1Np4/6n1 w - - 0 1)

Bartolovic, Hrvoje

1st Prize, Tovaris, 1955

q7/3N4/p4Qp1/2P1p3/K2pk1P1/5RP1/B1Np4/6n1

#2

9 + 8

3105 FIDE Album (1945-1955) 1964

SOLUTION

  • SOUND
  • Sets
    • 1...Qc6+
      • 2.Qxc6#
    • 1...Qa7
      • 2.Qc6#
    • 1...Qb8
      • 2.Qc6#
    • 1...Qd8
      • 2.Qc6#
    • 1...Qe8
      • 2.Qc6#
    • 1...Qf8
      • 2.Qc6#
    • 1...Qh8
      • 2.Qc6#
    • 1...Sxf3
      • 2.Qxg6#
    • 1...d3
      • 2.Re3#
    • 1...g5
      • 2.Qf5#
  • Tries
    • 1.Ra3?
      • threat
        • 2.Qxe5#
        • 2.Qxg6#
      • 1...Qc6+
        • 2.Qxc6#
      • 1...Qd5
        • 2.Qxg6#
      • 1...Qb8
        • 2.Qc6#
        • 2.Qxg6#
      • 1...Qe8
        • 2.Qc6#
      • 1...Qf8
        • 2.Qxe5#
        • 2.Qc6#
      • 1...Qg8
        • 2.Qxe5#
      • 1...Qh8
        • 2.Qc6#
        • 2.Qxg6#
      • 1...Sf3
        • 2.Qxf3#
        • 2.Qxg6#
      • 1...g5
        • 2.Qxe5#
        • 2.Qf5#
        • 2.Qg6#
      • 1...d3!
  • Keys
    • 1.Rb3!
      • threat
        • 2.Qxe5#
      • 1...Qc6+
        • 2.Qxc6#
      • 1...Kd5
        • 2.Re3#
      • 1...Qd5
        • 2.Qxg6#
      • 1...Qb8
        • 2.Qc6#
      • 1...Qe8
        • 2.Qc6#
      • 1...Qh8
        • 2.Qc6#
      • 1...Sf3
        • 2.Qxf3#
      • 1...d3
        • 2.Rb4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 2
    • REMOVED MATES = 4
  • Sets
    • Q(h);CHECK,N_GUARD::QAB(H),XQ(h)
    • Q(h);N_GUARD::QAB(H)
    • Q(h);N_GUARD,P_PINS(I)::QAB(H)
    • S(a);SBLOCK,XR(C)::QAB(H),XP(g)
    • P(c);N_GUARD::R1(C)
    • P(g);N_GUARD::QAB1(H)
  • Tries
    • Try
      • R(C);
      • Threat
        • DUALS(2)
      • Vars
        • Q(h);CHECK,N_GUARD::QAB(H),XQ(h)
        • Q(h);::QAB(H),XP(g)
        • Q(h);N_GUARD,P_PINS(I)::QAB(H)
        • Q(h);::QAR1(H),XP(e)
      • Refutation
        • P(c);
  • Actual
    • R(C);
    • Threat
      • QAR1(H),XP(e)
    • Vars
      • Q(h);CHECK,N_GUARD::QAB(H),XQ(h)
      • K(d);S_FLIGHT::B(A)+R(C)
      • Q(h);SBLOCK::QAB(H),XP(g)
      • Q(h);N_GUARD::QAB(H)
      • Q(h);N_GUARD,P_PINS(I)::QAB(H)
      • S(a);N_GUARD::QAB1(H),XS(a)
      • P(c);OGATEB,SBLOCK::R(C)
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