MESON Chess Problem Database

Problem Display
PID: 194243 (Q2b4/2p1r2p/5R1K/4kP1p/p3N2r/P3P2B/2P5/8 w - - 0 1)

Bukovets, Janos

Magyar Sakkvilag, 1917

Q2b4/2p1r2p/5R1K/4kP1p/p3N2r/P3P2B/2P5/8

#2

9 + 8

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Re6
      • 2.Rxe6#
    • 1...Rd7
      • 2.Re6#
    • 1...Rf7
      • 2.Re6#
    • 1...Rg7
      • 2.Re6#
  • Keys
    • 1.Rc6!
      • threat
        • 2.Rc5#
      • 1...Re6+
        • 2.Rxe6#
      • 1...Kxe4
        • 2.Re6#
      • 1...Kd5
        • 2.Rc5#
      • 1...Rxe4
        • 2.Qa5#
      • 1...Rd7
        • 2.Re6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • R(f);N_GUARD,P_PINR(G)::R1(G),XR(f)
    • R(f);N_GUARD::R1(G)
  • Actual
    • R(G);
    • Threat
      • R(G)
    • Vars
      • R(f);CHECK,N_GUARD::R1(G),XR(f)
      • K(c);P-FLIGHT,XS(E)::QAB(I)+R(G),DCHECK
      • K(c);P-FLIGHT::QAB(I)+R(G),DCHECK
      • R(b);SBLOCK,XS(E)::QAR(I)
      • R(f);N_GUARD::R1(G)
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