MESON Chess Problem Database

Problem Display
PID: 244174 (3r4/8/2pb1N2/3rkPP1/2QpP3/6K1/8/8 w - - 0 1)

Brabec, Juraj

Pravda, 1971

3r4/8/2pb1N2/3rkPP1/2QpP3/6K1/8/8

#2

6 + 6

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ra5
      • 2.Qe6#
    • 1...Rb5
      • 2.Qe6#
    • 1...Rc5
      • 2.Qe6#
    • 1...d3
      • 2.Sg4#
    • 1...c5
      • 2.Qxd5#
  • Keys
    • 1.Qxc6!
      • threat
        • 2.Qxd5#
      • 1...Ra5
        • 2.Sg4#
      • 1...Rb5
        • 2.Sg4#
      • 1...Rc5
        • 2.Sg4#
      • 1...Ba3
        • 2.Qe6#
      • 1...Bb4
        • 2.Qe6#
      • 1...Bc5
        • 2.Qe6#
      • 1...Bc7
        • 2.Qe6#
      • 1...Be7
        • 2.Qe6#
      • 1...Bb8
        • 2.Qe6#
      • 1...Bf8
        • 2.Qe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 3
    • ADDED MATES = 7
    • REMOVED MATES = 2
  • Sets
    • R(b);OGATE::QAR1(B)
    • P(a);::S(F)
    • P(d);N_GUARD::QAR1(B),XR(b)
  • Actual
    • Q(B);XP(d)
    • Threat
      • QAR1(B),XR(b)
    • Vars
      • R(b);::S(F)
      • B(e);OGATE::QAR1(B)
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