MESON Chess Problem Database

Problem Display
PID: 192863 (k5K1/6RR/3BP3/8/1p6/q7/r5p1/Q5NB w - - 0 1)

Uris, Miguel

BCPS Website, 2019

k5K1/6RR/3BP3/8/1p6/q7/r5p1/Q5NB

#2

8 + 5

SOLUTION

  • SOUND
  • Tries
    • 1.Bxg2+?
      • 1...Qf3
        • 2.Bxf3#
        • 2.Qxa2#
      • 1...Rxg2!
  • Keys
    • 1.Rxg2!
      • threat
        • 2.Rxa2#
      • 1...Qg3+
        • 2.Rxg3#
      • 1...Rxg2+
        • 2.Bxg2#
      • 1...Rxa1
        • 2.Ra2#
      • 1...Qb2
        • 2.Rxb2#
        • 2.Rc2#
        • 2.Rd2#
        • 2.Re2#
        • 2.Rf2#
      • 1...Rb2
        • 2.Rxb2#
        • 2.Rc2#
        • 2.Rd2#
        • 2.Re2#
        • 2.Rf2#
      • 1...Rc2
        • 2.Rxc2#
      • 1...Rd2
        • 2.Rxd2#
      • 1...Re2
        • 2.Rxe2#
      • 1...Rf2
        • 2.Rxf2#

This is a version of 192862

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(C);CHECK,XP(b)
      • Refutation
        • R(a);P_PINR(F),P_SPINQ(c),XB(C)
  • Actual
    • R(F);XP(b)
    • Threat
      • B(C)+R(F),XR(a)
    • Vars
      • Q(c);CHECK,N_GUARD,P_SPINR(a)::B(C)+R(F),XQ(c)
      • R(a);CHECK,OGATE,P_SPINQ(c),P_SPINR(a),XR(F)::B(C),XR(a)
      • R(a);XQ(A)::B(C)+R(F)
      • R(a);P_SPINQ(c)::B(C)+R(F),XR(a)
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