MESON Chess Problem Database

Problem Display
PID: 124387 (1K6/3N4/1R1pp3/1Qpp4/2Pkp3/1b6/3PP3/1r1nNR2 w - - 0 1)

Segers, Marcel

Troll, 1992

1K6/3N4/1R1pp3/1Qpp4/2Pkp3/1b6/3PP3/1r1nNR2

#2

9 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ba2
      • 2.Sc2#
    • 1...Bc2
      • 2.Sxc2#
    • 1...Bxc4
      • 2.Sc2#
    • 1...Sb2
      • 2.e3#
    • 1...Sf2
      • 2.e3#
    • 1...Sc3
      • 2.e3#
    • 1...e3
      • 2.Rf4#
    • 1...dxc4
      • 2.Rxd6#
  • Tries
    • 1.Rxd6?
      • threat
        • 2.Qxc5#
      • 1...Bxc4
        • 2.Sc2#
      • 1...e3
        • 2.Rf4#
      • 1...Ba2
        • 2.Sc2#
      • 1...Bc2
        • 2.Sxc2#
      • 1...Ba4!
  • Keys
    • 1.Rf4!
      • threat
        • 2.Sf3#
      • 1...dxc4
        • 2.Rxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 7
  • Sets
    • B(c);N_GUARD::S(A)
    • B(c);N_GUARD::S(A),XB(c)
    • B(c);N_GUARD,XP(E)::S(A)
    • S(b);N_GUARD::P(D)
    • P(e);OGATEB::R(B)
    • P(g);OGATEB,XP(E)::R(G),XP(h)
  • Tries
    • Try
      • R(G);P_PINP(g),XP(h)
      • Threat
        • QAB1(F),XP(f)
      • Vars
        • B(c);N_GUARD,P_PINQ(F),XP(E)::S(A)
        • P(e);OGATEB::R(B)
        • B(c);N_GUARD,P_PINQ(F)::S(A)
        • B(c);N_GUARD,P_PINQ(F)::S(A),XB(c)
      • Refutation
        • B(c);P_PINQ(F)
  • Actual
    • R(B);P_PINP(e)
    • Threat
      • S(A)
    • Vars
      • P(g);OGATEB,XP(E)::R(G),XP(h)
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