MESON Chess Problem Database

Problem Display
PID: 175082 (7b/8/2p5/6Q1/qp4p1/1RNK1p1r/2pPPN2/2k5 w - - 0 1)

Stross, Ludvik

Besedy lidu, 1902

7b/8/2p5/6Q1/qp4p1/1RNK1p1r/2pPPN2/2k5

#2

7 + 9

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Qa2
      • 2.Sxa2#
    • 1...Bxc3
      • 2.dxc3#
  • Keys
    • 1.Ke4!
      • threat
        • 2.Sd3#
        • 2.d3#
        • 2.d4#
      • 1...bxc3+
        • 2.d4#
      • 1...Qxb3
        • 2.Sd3#
      • 1...Bxc3
        • 2.dxc3#
      • 1...fxe2
        • 2.Sxe2#
      • 1...Qb5
        • 2.Sa2#
      • 1...Qa5
        • 2.Sd3#
      • 1...Qa6
        • 2.d3#
        • 2.d4#
      • 1...Qa7
        • 2.Sd3#
        • 2.d4#
      • 1...Rh5
        • 2.Sd3#
      • 1...Bd4
        • 2.Sd3#
      • 1...Be5
        • 2.Sd3#
      • 1...Bf6
        • 2.Sd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 1
  • Sets
    • Q(e);N_GUARD::S(E),XQ(e)
    • B(i);OGATE,XS(E)::QAB(G)+P(A),XB(i)
  • Actual
    • K(F);S_FLIGHT
    • Threat
      • DUALS(3)
    • Vars
      • P(f);CHECK,XS(E)::QAB(G)+P(A)
      • Q(e);XR(D)::S(C)
      • B(i);OGATE,XS(E)::QAB(G)+P(A),XB(i)
      • P(c);XP(B)::S(E),XP(c)
      • Q(e);N_GUARD::S(E)
      • Q(e);::S(C)
      • R(d);::S(C)
      • B(i);::S(C)
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