MESON Chess Problem Database

Problem Display
PID: 15156 (8/5Kp1/Qp3pr1/n2p1kBN/3P4/2P4P/2rN2P1/1B2n3 w - - 0 1)

Keller, Michael

Schach-Echo, 1980

8/5Kp1/Qp3pr1/n2p1kBN/3P4/2P4P/2rN2P1/1B2n3

#2

10 + 9

4655 Michael Keller Ein Meister der Schachkomposition 1994

SOLUTION

  • SOUND
  • Sets
    • 1...Rxg5
      • 2.Qc8#
    • 1...fxg5
      • 2.g4#
  • Keys
    • 1.Se4!
      • threat
        • 2.Shg3#
      • 1...Kxe4
        • 2.Sg3#
      • 1...Rxg2
        • 2.Qc8#
      • 1...Rxc3
        • 2.g4#
      • 1...Rxg5
        • 2.Sd6#
      • 1...dxe4
        • 2.Qb5#
      • 1...fxg5
        • 2.Seg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • R(h);SBLOCK,XB(G)::QAB(I)
    • P(g);SBLOCK,XB(G)::P(C)
  • Actual
    • S(B);N_PINR(b)
    • Threat
      • S(H)
    • Vars
      • K(e);P_SPINR(b),S_FLIGHT,XS(B)::S(H)
      • R(b);XP(C)::QAB(I)
      • R(b);XP(D)::P(C)
      • R(h);SBLOCK,XB(G)::S(B)
      • P(d);OGATEB,SBLOCK,XS(B)::QAR(I)
      • P(g);SBLOCK,XB(G)::S(B)
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