MESON Chess Problem Database

Problem Display
PID: 226406 (b1Q3B1/3p4/1Bq5/1R6/K7/N1k5/p3P3/5N2 w - - 0 1)

Bartolovic, Hrvoje

Freie Presse, 1991

b1Q3B1/3p4/1Bq5/1R6/K7/N1k5/p3P3/5N2

#2

8 + 5

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Qc4+
      • 2.Qxc4#
    • 1...Qc5
      • 2.Qxc5#
    • 1...Qc7
      • 2.Rb3#
    • 1...Qxc8
      • 2.Rb3#
    • 1...d5
      • 2.Qh3#
  • Tries
    • 1.Ka5?
      • threat
        • 2.Rb3#
      • 1...Qc5
        • 2.Qxc5#
      • 1...Qc4
        • 2.Qxc4#
      • 1...d5
        • 2.Qh3#
      • 1...a1S!
    • 1.Bxa2?
      • 1...Qc4+
        • 2.Qxc4#
      • 1...Qxc8
        • 2.Rb3#
      • 1...Qc5
        • 2.Qxc5#
      • 1...Qc7
        • 2.Rb3#
      • 1...d5
        • 2.Qh3#
      • 1...d6
        • 2.Qh8#
      • 1...Bb7!
    • 1.Qxc6+?
      • 1...dxc6
        • 2.Rb3#
      • 1...Bxc6!
  • Keys
    • 1.Qc7!
      • threat
        • 2.Qe5#
      • 1...Qc4+
        • 2.Qxc4#
      • 1...Qxc7
        • 2.Rb3#
      • 1...Qc5
        • 2.Qxc5#
      • 1...d5
        • 2.Qg3#
      • 1...d6
        • 2.Qg7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • Q(c);CHECK,N_PINR(E),OGATE::QAR1(G),XQ(c)
    • Q(c);N_PINR(E),OGATE::QAR2(G),XQ(c)
    • Q(c);N_PINR(E)::R1(E)
    • Q(c);N_PINR(E),N_SPINQ(c),XQ(G)::R1(E)
    • P(d);OGATE::QAR(G)
  • Tries
    • Try
      • K(D);N_SPINR(E),P-FLIGHT
      • Threat
        • R1(E)
      • Vars
        • Q(c);OGATE,P_PINR(E)::QAR2(G),XQ(c)
        • Q(c);OGATE::QAR1(G),XQ(c)
        • P(d);OGATE::QAR(G)
      • Refutation
        • P(a);
    • Try
      • B(H);XP(a)
      • Vars
        • Q(c);CHECK,N_PINR(E),OGATE::QAR1(G),XQ(c)
        • Q(c);N_PINR(E),N_SPINQ(c),XQ(G)::R1(E)
        • Q(c);N_PINR(E),OGATE::QAR2(G),XQ(c)
        • Q(c);N_PINR(E)::R1(E)
        • P(d);OGATE::QAR(G)
        • P(d);::QAB(G)
      • Refutation
        • B(e);
    • Try
      • Q(G);CHECK,N_SPINR(E),XQ(c)
      • Vars
        • P(d);XQ(G)::R1(E)
      • Refutation
        • B(e);P_PINR(E),XQ(G)
  • Actual
    • Q(G);
    • Threat
      • QAB(G)
    • Vars
      • Q(c);CHECK,N_PINR(E),OGATE::QAR1(G),XQ(c)
      • Q(c);N_PINR(E),N_SPINQ(c),XQ(G)::R1(E)
      • Q(c);N_PINR(E),OGATE::QAR2(G),XQ(c)
      • P(d);::QAR(G)
      • P(d);OGATE::QAB(G)
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