MESON Chess Problem Database

Problem Display
PID: 148432 (B7/1Rr3b1/1r1p4/8/4k3/1N1pNp1K/3PPP1B/3R4 w - - 0 1)

Rosner, Eugene David

The Problemist Supplement, 2013

B7/1Rr3b1/1r1p4/8/4k3/1N1pNp1K/3PPP1B/3R4

#2

10 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Rxb3
      • 2.Rb4#
    • 1...Rb4
      • 2.Rxb4#
    • 1...Ra6
      • 2.Rb4#
    • 1...Rc1
      • 2.Re7#
    • 1...Rc2
      • 2.Re7#
    • 1...Rc3
      • 2.Re7#
    • 1...Rc4
      • 2.Re7#
    • 1...Rc5
      • 2.Re7#
    • 1...Re7
      • 2.Rxe7#
    • 1...Rf7
      • 2.Re7#
    • 1...Rc8
      • 2.Re7#
    • 1...dxe2
      • 2.d3#
  • Keys
    • 1.Kg4!
      • threat
        • 2.exf3#
      • 1...Rxb3
        • 2.Rb4#
      • 1...dxe2
        • 2.d3#
      • 1...fxe2
        • 2.f3#
      • 1...Rf7
        • 2.Re7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 9
  • Sets
    • R(d);OGATE,XS(F)::B(J)+R(I),DCHECK
    • R(d);OGATE::B(J)+R(I),DCHECK,XR(d)
    • R(d);OGATE::B(J)+R(I),DCHECK
    • R(f);OGATE::B(J)+R(I),DCHECK
    • R(f);OGATE::B(J)+R(I),DCHECK,XR(f)
    • P(a);OGATE,XP(C)::P(B)
  • Actual
    • K(H);S_FLIGHT
    • Threat
      • P(C),XP(b)
    • Vars
      • R(d);OGATE,XS(F)::B(J)+R(I),DCHECK
      • P(a);OGATE,XP(C)::P(B)
      • P(b);OGATE,XP(C)::P(D)
      • R(f);OGATE::B(J)+R(I),DCHECK
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