MESON Chess Problem Database

Problem Display
PID: 207994 (3K1N1b/1b3NB1/5r2/pBk5/2P2p2/P4P2/n1QP4/8 w - - 0 1)

Pilnacek, Jan V

Svetozor, 1873

3K1N1b/1b3NB1/5r2/pBk5/2P2p2/P4P2/n1QP4/8

#2

10 + 7

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Se6#
    • 1...Rf5
      • 2.Sd7#
    • 1...Ra6
      • 2.Sd7#
    • 1...Rb6
      • 2.Sd7#
      • 2.d4#
    • 1...Rc6
      • 2.Sd7#
    • 1...Re6
      • 2.Sd7#
    • 1...Rg6
      • 2.Sd7#
    • 1...Rh6
      • 2.Sd7#
  • Keys
    • 1.Qg6!
      • threat
        • 2.Qg1#
      • 1...Rd6+
        • 2.Qxd6#
      • 1...Kd4
        • 2.Se6#
      • 1...Kb6
        • 2.Qg1#
      • 1...Rxg6
        • 2.Sd7#
      • 1...Rxf7
        • 2.d4#
      • 1...Re6
        • 2.Sd7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 4
  • Sets
    • K(d);P_SPINR(e),S_FLIGHT::S(J)
    • R(e);::S(J)
  • Actual
    • Q(A);
    • Threat
      • QAB(A)
    • Vars
      • R(e);CHECK,OGATE::QAB1(A),XR(e)
      • K(d);P_SPINR(e),S_FLIGHT::S(J)
      • K(d);P_SPINR(e),S_FLIGHT::QAB(A)
      • R(e);XQ(A)::S(J)
      • R(e);XS(G)::P(B)
      • R(e);::S(J)
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