MESON Chess Problem Database

Problem Display
PID: 231818 (8/1BK1P3/2NPrp2/P1pk1p1Q/2pP1P2/8/8/4R3 w - - 0 1)

Heitzman, W

Pen & Pencil, 1889

(First published on Sat Aug 17 1889)

8/1BK1P3/2NPrp2/P1pk1p1Q/2pP1P2/8/8/4R3

#2

10 + 6

15239 Valois Notebooks 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd6
      • 2.Qf3#
      • 2.Qh1#
      • 2.Qxf5#
  • Tries
    • 1.Rxe6?
      • threat
        • 2.Qxf5#
      • 1...Kxe6
        • 2.Sd8#
      • 1...c3!
  • Keys
    • 1.Qd1!
      • threat
        • 2.Sb4#
        • 2.Se5#
        • 2.Sa7#
        • 2.Sb8#
        • 2.Sd8#
      • 1...Rxe7+
        • 2.Sxe7#
      • 1...Rxe1
        • 2.Sd8#
      • 1...Rxd6
        • 2.Sb4#
        • 2.Qf3#
      • 1...cxd4
        • 2.Qxd4#
      • 1...Re2
        • 2.Sd8#
      • 1...Re3
        • 2.Sd8#
      • 1...Re4
        • 2.Sd8#
      • 1...Re5
        • 2.Sd8#
      • 1...c3
        • 2.Se5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(A);XR(e)
      • Threat
        • QAR2(E),XP(d)
      • Vars
        • K(c);N_SPINP(d),S_FLIGHT,XR(A)::S(F)
      • Refutation
        • P(a);
  • Actual
    • Q(E);N_PINP(d)
    • Threat
      • DUALS(5)
    • Vars
      • R(e);CHECK,XP(J)::B(H)+S(F),DCHECK,XR(e)
      • R(e);XR(A)::B(H)+S(F)
      • P(b);OGATE,P_SPINP(b),XP(B)::QAR1(E),XP(b)
      • R(e);::B(H)+S(F)
      • P(a);::B(H)+S(F)
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