MESON Chess Problem Database

Problem Display
PID: 149650 (2r1n3/1R3r2/1B6/PN2Q3/pkPp3R/p4P2/2p5/2N1K3 w - - 0 1)

Zhebenev, Valery Oleksandrovich

Hlas l'udu, 1991

2r1n3/1R3r2/1B6/PN2Q3/pkPp3R/p4P2/2p5/2N1K3

#2

10 + 8

15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Kxc4
      • 2.Rxd4#
    • 1...Rc5
      • 2.Qxc5#
    • 1...Ra8
      • 2.Qc5#
    • 1...Rb8
      • 2.Qc5#
    • 1...Rd8
      • 2.Qc5#
    • 1...Sc7
      • 2.Qc5#
    • 1...d3
      • 2.Qc3#
  • Tries
    • 1.Sxd4?
      • threat
        • 2.Sxc2#
      • 1...Kc3
        • 2.Sc6#
      • 1...Kxc4
        • 2.Sf5#
      • 1...Rf4!
  • Keys
    • 1.Bxd4!
      • threat
        • 2.Bc3#
      • 1...Kxc4
        • 2.Sxa3#
      • 1...Kxa5
        • 2.Sc7#
      • 1...Rxf3
        • 2.Sd6#
      • 1...Rf4
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 6
  • Sets
    • K(d);OGATEB,P-FLIGHT,P_SPINP(e),XP(D)::R1(E),XP(e)
    • R(g);N_GUARD::QAB1(H),XR(g)
    • R(g);N_GUARD::QAB1(H)
    • S(h);S_CUTR(g)::QAB1(H)
    • P(e);OGATE::QAB1(H)
  • Tries
    • Try
      • S(G);XP(e)
      • Threat
        • S(G),XP(a)
      • Vars
        • K(d);S_FLIGHT::QAB(H)+S(G)
        • K(d);P-FLIGHT,XP(D)::R(E)+S(G)
      • Refutation
        • R(f);
  • Actual
    • B(I);XP(e)
    • Threat
      • B(I)
    • Vars
      • K(d);P-FLIGHT,XP(D)::S(G),XP(b)
      • K(d);S_FLIGHT,XP(F)::QAR(H)+S(G)
      • R(f);N_GUARD,XP(C)::R(J)+S(G)
      • R(f);N_GUARD::R(J)+S(G)
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