MESON Chess Problem Database

Problem Display
PID: 99430 (8/r1Qp4/7r/1NB5/1PkNP3/P7/bn2K2p/8 w - - 0 1)

Trommler, Sven

Magyar Sakkelet, 1989

8/r1Qp4/7r/1NB5/1PkNP3/P7/bn2K2p/8

#2

8 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rh3
      • 2.Bxa7#
    • 1...Rh4
      • 2.Bxa7#
    • 1...Rh7
      • 2.Bxa7#
    • 1...Rh8
      • 2.Bxa7#
    • 1...Rxa3
      • 2.Bd6#
    • 1...Ra4
      • 2.Bd6#
    • 1...Ra5
      • 2.Bd6#
    • 1...Ra8
      • 2.Bd6#
    • 1...d6
      • 2.Bxa7#
  • Keys
    • 1.Qg3!
      • threat
        • 2.Qc3#
      • 1...Rxa3
        • 2.Sxa3#
      • 1...Rh3
        • 2.Sd6#
      • 1...Sd1
        • 2.Qd3#
      • 1...Sd3
        • 2.Qxd3#
      • 1...Sa4
        • 2.Qd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 3
    • REMOVED MATES = 7
  • Sets
    • R(e);N_GUARD::QAR(H)+B(G),XR(f)
    • R(f);N_GUARD,XP(B)::QAR(H)+B(G)
    • R(f);N_GUARD::QAR(H)+B(G)
    • P(g);S_CUTR(e)::QAR(H)+B(G),XR(f)
  • Actual
    • Q(H);
    • Threat
      • QAR1(H)
    • Vars
      • R(f);XP(B)::S(F),XR(f)
      • R(e);N_GUARD::S(F)
      • S(b);N_GUARD::QAB1(H)
      • S(b);N_GUARD::QAB1(H),XS(b)
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