MESON Chess Problem Database

Problem Display
PID: 41563 (8/K3Q3/6N1/p2p2r1/3kB1n1/2Rp4/8/4BN2 w - - 0 1)

Maleika, Gerhard

Die Schwalbe, 2002

8/K3Q3/6N1/p2p2r1/3kB1n1/2Rp4/8/4BN2

#2

7 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...a4
      • 2.Qb4#
  • Tries
    • 1.Qxg5?
      • threat
        • 2.Qxd5#
      • 1...Kxe4
        • 2.Qf4#
        • 2.Qxg4#
      • 1...dxe4
        • 2.Qd8#
        • 2.Qc5#
      • 1...Se3
        • 2.Qxe3#
        • 2.Qe5#
      • 1...Se5
        • 2.Qe3#
        • 2.Qxe5#
      • 1...Sf6
        • 2.Qe3#
        • 2.Qe5#
      • 1...d2!
  • Keys
    • 1.Sg3!
      • threat
        • 2.Qc5#
      • 1...Ke3
        • 2.Rxd3#
      • 1...Rxg6
        • 2.Sf5#
      • 1...dxe4
        • 2.Qxe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • P(d);N_GUARD::QAR2(G)
  • Tries
    • Try
      • Q(G);XR(f)
      • Threat
        • QAR1(G),XP(e)
      • Refutation
        • P(a);
  • Actual
    • S(B);
    • Threat
      • QAB1(G)
    • Vars
      • K(b);P_SPINP(a),S_FLIGHT::R1(C),XP(a)
      • R(f);N_GUARD,XS(E)::S(B)
      • P(e);OGATE,XB(D)::QAR1(G),XP(e)
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