MESON Chess Problem Database

Problem Display
PID: 9600 (2R5/8/4K3/QpN5/2k5/1rB5/3p4/3n4 w - - 0 1)

Kosek, Wojtech

Norwich Mercury, 1906

2R5/8/4K3/QpN5/2k5/1rB5/3p4/3n4

#2

5 + 5

3360 Simple Two-move Themes 1924
14868 Pirnie Collection 2012

SOLUTION

  • SOUND
  • Sets
    • 1...Ra3
      • 2.Qb4#
    • 1...Rb4
      • 2.Qxb4#
  • Keys
    • 1.Qd8!
      • threat
        • 2.Sd3#
        • 2.Sa4#
        • 2.Se4#
        • 2.Sa6#
        • 2.Sb7#
        • 2.Qd3#
        • 2.Qd4#
      • 1...Kxc3
        • 2.Sd3#
      • 1...Rxc3
        • 2.Qh4#
      • 1...Sxc3
        • 2.Sd3#
        • 2.Sa6#
      • 1...b4
        • 2.Qd3#
      • 1...Rb1
        • 2.Qd3#
        • 2.Qd4#
      • 1...Rb2
        • 2.Qd3#
        • 2.Qd4#
      • 1...Ra3
        • 2.Qd3#
        • 2.Qd4#
      • 1...Rb4
        • 2.Qd3#
        • 2.Qd4#
      • 1...Sb2
        • 2.Sd3#
        • 2.Sa4#
        • 2.Se4#
        • 2.Sa6#
        • 2.Sb7#
        • 2.Qd4#
      • 1...Sf2
        • 2.Sd3#
        • 2.Sa4#
        • 2.Se4#
        • 2.Sa6#
        • 2.Sb7#
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • R(c);N_GUARD::QAR1(B)
    • R(c);N_GUARD::QAR1(B),XR(c)
  • Actual
    • Q(B);
    • Threat
      • DUALS(7)
    • Vars
      • K(d);P-FLIGHT,XB(A)::R(E)+S(C)
      • R(c);SBLOCK,XB(A)::QAR(B)
      • P(e);::QAB1(B)
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