MESON Chess Problem Database

Problem Display
PID: 104626 (r3k3/7R/b3p2K/2p5/2n5/Q7/5RnB/1r6 w - - 0 1)

Tominic, Ivo

Mat TT, 1979

r3k3/7R/b3p2K/2p5/2n5/Q7/5RnB/1r6

#2

5 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kd8
      • 2.Rf8#
    • 1...Bb5
      • 2.Qxa8#
  • Tries
    • 1.Qxc5?
      • threat
        • 2.Rf8#
        • 2.Qe7#
        • 2.Qf8#
      • 1...Kd8
        • 2.Rf8#
        • 2.Qf8#
      • 1...Rf1
        • 2.Qe7#
        • 2.Qf8#
      • 1...Rb7
        • 2.Rf8#
        • 2.Qf8#
      • 1...Ra7
        • 2.Rf8#
        • 2.Qf8#
      • 1...Sf4
        • 2.Qe7#
      • 1...Sd6!
    • 1.Qf3?
      • threat
        • 2.Qf8#
      • 1...Kd8
        • 2.Qf8#
      • 1...Sf4!
    • 1.Qa4+?
      • 1...Kd8
        • 2.Rf8#
        • 2.Qd7#
      • 1...Bb5
        • 2.Qxa8#
      • 1...Rb5!
  • Keys
    • 1.Qg3!
      • threat
        • 2.Qg8#
      • 1...Kd8
        • 2.Rf8#
        • 2.Qg8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 2
  • Sets
    • K(h);P-FLIGHT::R(A)
    • B(e);OGATE::QAR(C),XR(g)
  • Tries
    • Try
      • Q(C);XP(d)
      • Threat
        • DUALS(3)
      • Vars
        • S(b);::QAR1(C)
      • Refutation
        • S(c);
    • Try
      • Q(C);
      • Threat
        • QAR1(C)
      • Vars
        • K(h);P-FLIGHT::QAR2(C)
      • Refutation
        • S(b);
    • Try
      • Q(C);CHECK
      • Vars
        • B(e);OGATE,P_SPINB(e)::QAR(C),XR(g)
      • Refutation
        • R(a);P_SPINR(a)
  • Actual
    • Q(C);
    • Threat
      • QAR2(C)
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