MESON Chess Problem Database

Problem Display
PID: 205628 (3r4/2PNp3/Rb1kP2R/2n5/1rPK4/Bp6/8/3Q3B w - - 0 1)

Klebes, Stefan

Badische Neueste Nachrichten, 1986

3r4/2PNp3/Rb1kP2R/2n5/1rPK4/Bp6/8/3Q3B

#2

10 + 7

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Rb8
      • 2.cxb8Q#
      • 2.cxb8B#
  • Keys
    • 1.cxd8Q!
      • threat
        • 2.Sxc5#
        • 2.Qb8#
      • 1...Rxc4+
        • 2.Kxc4#
      • 1...Sd3+
        • 2.Sc5#
        • 2.Sxb6#
        • 2.Rxb6#
        • 2.Qxb6#
      • 1...Sa4+
        • 2.Sc5#
        • 2.Sxb6#
      • 1...Se4+
        • 2.Rxb6#
        • 2.Qxb6#
      • 1...Sxa6+
        • 2.Sxb6#
        • 2.Qxb6#
      • 1...Sxe6+
        • 2.Kc3#
      • 1...Sb7+
        • 2.Kc3#
        • 2.Rxb6#
        • 2.Qxb6#
      • 1...Sxd7+
        • 2.Rxb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • R(g);OGATE::PXR(g)=Q
  • Actual
    • P(I);XR(g)
    • Threat
      • DUALS(2)
    • Vars
      • R(b);CHECK,P_SPINS(c),XP(D)::QAR(A)+K(E),XR(b)
      • S(c);CHECK,N_GUARD,P_SPINR(b),P_SPINS(c),XP(G)::QAR(A)+K(E)
      • S(c);CHECK,P_SPINR(b),P_SPINS(c),XS(J)::R(F),XB(d)
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