MESON Chess Problem Database

Problem Display
PID: 176300 (Q6R/1pp3p1/3B3r/8/3PK3/3PN3/4P3/R5qk w - - 0 1)

Hoek, Willem

Schach-Echo, 1971

Q6R/1pp3p1/3B3r/8/3PK3/3PN3/4P3/R5qk

#2

9 + 6

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Qxa1
      • 2.Qxa1#
    • 1...Qb1
      • 2.Rxb1#
    • 1...Qc1
      • 2.Rxc1#
    • 1...Qd1
      • 2.Rxd1#
    • 1...Qe1
      • 2.Rxe1#
    • 1...Qf1
      • 2.Rxf1#
    • 1...Rh2
      • 2.Rxh2#
    • 1...Rh3
      • 2.Rxh3#
    • 1...Rh4+
      • 2.Rxh4#
    • 1...Rh5
      • 2.Rxh5#
    • 1...Rh7
      • 2.Rxh7#
    • 1...Rxh8
      • 2.Qxh8#
    • 1...g5
      • 2.Rxh6#
    • 1...g6
      • 2.Rxh6#
  • Keys
    • 1.Bxc7!
      • 1...Rh4+
        • 2.Rxh4#
      • 1...Qxa1
        • 2.Qxa1#
      • 1...Rxh8
        • 2.Qxh8#
      • 1...Qb1
        • 2.Rxb1#
      • 1...Qc1
        • 2.Rxc1#
      • 1...Qd1
        • 2.Rxd1#
      • 1...Qe1
        • 2.Rxe1#
      • 1...Qf1
        • 2.Rxf1#
      • 1...b5
        • 2.Kf5#
      • 1...Rh2
        • 2.Rxh2#
      • 1...Rh3
        • 2.Rxh3#
      • 1...Rh5
        • 2.Rxh5#
      • 1...Rh7
        • 2.Rxh7#
      • 1...b6
        • 2.Kf5#
      • 1...g5
        • 2.Rxh6#
      • 1...g6
        • 2.Rxh6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • Q(a);N_SPINQ(a),OGATE,XR(A)::QAB1(H),XQ(a)
    • Q(a);OGATEB,P_PINP(C)::R(A),XQ(a)
    • Q(a);OGATEB::R(A),XQ(a)
    • R(c);OGATE::R1(I),XR(c)
    • R(c);OGATE::R(I),XR(c)
    • R(c);CHECK,OGATE::R(I),XR(c)
    • R(c);OGATEB::R(I),XR(c)
    • R(c);N_SPINR(c),OGATE,XR(I)::QAB(H),XR(c)
    • P(f);N_GUARD::R(I),XR(c)
  • Actual
    • B(G);XP(e)
    • Vars
      • R(c);CHECK,OGATE::R(I),XR(c)
      • Q(a);N_SPINQ(a),OGATE,XR(A)::QAB1(H),XQ(a)
      • R(c);N_SPINR(c),OGATE,XR(I)::QAB(H),XR(c)
      • Q(a);OGATEB,P_PINP(C)::R(A),XQ(a)
      • Q(a);OGATEB::R(A),XQ(a)
      • P(d);::QAB(H)+K(F)
      • R(c);OGATE::R1(I),XR(c)
      • R(c);OGATE::R(I),XR(c)
      • R(c);OGATEB::R(I),XR(c)
      • P(f);N_GUARD::R(I),XR(c)
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