MESON Chess Problem Database

Problem Display
PID: 65213 (7Q/7R/8/8/8/8/Bq6/k3K2R w K - 0 1)

Zadro, Boris

StrateGems, 2006

7Q/7R/8/8/8/8/Bq6/k3K2R

#2

5 + 2

SOLUTION

  • SOUND
  • Tries
    • 1.R1h2?
      • threat
        • 2.Qxb2#
      • 1...Qc3+
        • 2.Qxc3#
      • 1...Qe5+
        • 2.Qxe5#
      • 1...Kxa2
        • 2.Qxb2#
      • 1...Qd4
        • 2.Qxd4#
      • 1...Qf6
        • 2.Qxf6#
      • 1...Qg7
        • 2.Qxg7#
      • 1...Qxh8!
    • 1.Ra7?
      • threat
        • 2.0-0#
      • 1...Qc3+
        • 2.Qxc3#
      • 1...Qe5+
        • 2.Qxe5#
      • 1...Qd4
        • 2.Qxd4#
      • 1...Qf6
        • 2.Qxf6#
      • 1...Qg7
        • 2.Qxg7#
      • 1...Qxh8!
  • Keys
    • 1.R7h2!
      • threat
        • 2.Qxb2#
      • 1...Qc3+
        • 2.Qxc3#
      • 1...Qe5+
        • 2.Qxe5#
      • 1...Kxa2
        • 2.Qxb2#
      • 1...Qxh8
        • 2.0-0#
      • 1...Qd4
        • 2.Qxd4#
      • 1...Qf6
        • 2.Qxf6#
      • 1...Qg7
        • 2.Qxg7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);
      • Threat
        • QAB1(E),XQ(b)
      • Vars
        • Q(b);CHECK,OGATEB::QAB(E),XQ(b)
        • K(a);P-FLIGHT,XB(C)::QAR1(E),XQ(b)
        • Q(b);OGATEB::QAB(E),XQ(b)
      • Refutation
        • Q(b);N_SPINQ(b),XQ(E)
    • Try
      • R(D);
      • Threat
        • 0-0
      • Vars
        • Q(b);CHECK,OGATEB::QAB(E),XQ(b)
        • Q(b);OGATEB::QAB(E),XQ(b)
      • Refutation
        • Q(b);N_SPINQ(b),XQ(E)
  • Actual
    • R(D);
    • Threat
      • QAB1(E),XQ(b)
    • Vars
      • Q(b);CHECK,OGATEB::QAB(E),XQ(b)
      • K(a);P-FLIGHT,XB(C)::QAR1(E),XQ(b)
      • Q(b);N_SPINQ(b),XQ(E)::0-0
      • Q(b);OGATEB::QAB(E),XQ(b)
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