MESON Chess Problem Database

Problem Display
PID: 55537 (1Q5K/3b4/r4p2/PpRP3n/Np1k1N1B/1P2pP2/1r6/1B6 w - - 0 1)

Slagmolen, Cornelis

Probleemblad, 2004

1Q5K/3b4/r4p2/PpRP3n/Np1k1N1B/1P2pP2/1r6/1B6

#2

11 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Re2
      • 2.Sxe2#
    • 1...Rxb3
      • 2.Se2#
    • 1...Bc6
      • 2.Se6#
    • 1...Sxf4
      • 2.Qxf4#
    • 1...e2
      • 2.Bf2#
    • 1...bxa4
      • 2.Rc4#
  • Keys
    • 1.d6!
      • threat
        • 2.Rd5#
      • 1...Rxb3
        • 2.Se2#
      • 1...Rxd6
        • 2.Qxd6#
      • 1...Sxf4
        • 2.Bxf6#
      • 1...bxa4
        • 2.Qxb4#
      • 1...e2
        • 2.Bf2#
      • 1...Bc6
        • 2.Se6#
      • 1...Be6
        • 2.Sxe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • R(a);N_GUARD::S(E),XR(a)
    • R(a);N_GUARD,XP(B)::S(E)
    • B(i);N_GUARD,S_CUTR(g)::S(E)
    • S(f);OGATE,XS(E)::QAR2(J),XS(f)
    • P(b);OGATEB::B(F)
    • P(e);N_GUARD,XS(D)::R1(H)
  • Actual
    • P(I);
    • Threat
      • R1(H)
    • Vars
      • R(a);N_GUARD,XP(B)::S(E)
      • R(g);OGATE,XP(I)::QAR2(J),XR(g)
      • S(f);N_GUARD,XS(E)::B(F),XP(h)
      • P(e);OGATE,XS(D)::QAR2(J),XP(c)
      • P(b);OGATEB::B(F)
      • B(i);N_GUARD::S(E)
      • B(i);N_GUARD::S(E),XB(i)
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