MESON Chess Problem Database

Problem Display
PID: 267639 (5R2/2BpK3/3N1N2/7B/3PPk1b/q7/5PR1/8 w - - 0 1)

Coello Alonso, Jose Antonio

BCPS Website, 2022

5R2/2BpK3/3N1N2/7B/3PPk1b/q7/5PR1/8

#2

10 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Qxd6+
      • 2.Bxd6#
    • 1...Bxf2
      • 2.Sd5#
    • 1...Bg3
      • 2.Sh7#
    • 1...Bxf6+
      • 2.Rxf6#
  • Keys
    • 1.Kxd7!
      • threat
        • 2.Sd5#
      • 1...Qxd6+
        • 2.Bxd6#
      • 1...Qh3+
        • 2.Sf5#
      • 1...Qa4+
        • 2.Sb5#
      • 1...Bxf6
        • 2.Rxf6#
      • 1...Qg3
        • 2.Sf7#
      • 1...Bg3
        • 2.Sh7#

This is a version of 267638

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • Q(a);CHECK,OGATE,P_PINS(G),P_SPINQ(a),XS(F)::B(H),XQ(a)
    • B(c);XP(A)::R(J)+S(G),DCHECK
    • B(c);::R(J)+S(G)
    • B(c);CHECK,OGATE,P_SPINB(c),XS(G)::R(J),XB(c)
  • Actual
    • K(I);N_SPINS(F),P-FLIGHT,XP(d)
    • Threat
      • R(J)+S(G),DCHECK
    • Vars
      • Q(a);CHECK,OGATE,P_SPINQ(a),XS(F)::B(H),XQ(a)
      • Q(a);CHECK,N_GUARD::B(H)+S(F)
      • B(c);OGATE,P_SPINB(c),XS(G)::R(J),XB(c)
      • Q(a);N_GUARD::B(H)+S(F)
      • B(c);N_GUARD::R(J)+S(G)
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