MESON Chess Problem Database

Problem Display
PID: 244186 (5B2/3r3B/N2pP3/5pr1/2Nk2p1/PP6/1P2K3/7Q w - - 0 1)

Brabec, Juraj

Problemist Ukraini, 2015

5B2/3r3B/N2pP3/5pr1/2Nk2p1/PP6/1P2K3/7Q

#2

10 + 6

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...f4
      • 2.Qe4#
      • 2.Qd1#
    • 1...d5
      • 2.Bc5#
  • Tries
    • 1.Sc7?
      • threat
        • 2.Qd5#
      • 1...Kc5
        • 2.Qd5#
      • 1...f4
        • 2.Qg1#
      • 1...d5
        • 2.Sb5#
      • 1...Rxc7!
    • 1.Bxf5?
      • threat
        • 2.Qe4#
        • 2.Qd1#
      • 1...d5
        • 2.Bc5#
        • 2.Qd1#
        • 2.Qg1#
      • 1...Rxf5!
    • 1.Bxd6?
      • threat
        • 2.Bc5#
        • 2.Be5#
      • 1...Rc7
        • 2.Be5#
      • 1...f4
        • 2.Qe4#
        • 2.Qd1#
      • 1...Rxd6!
  • Keys
    • 1.Sb4!
      • threat
        • 2.Qd5#
      • 1...Kc5
        • 2.Qd5#
      • 1...f4
        • 2.Qg1#
      • 1...d5
        • 2.Sc2#
        • 2.Sc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • P(e);OGATE::B(J)
  • Tries
    • Try
      • S(G);
      • Threat
        • QAR1(A)
      • Vars
        • K(a);P_SPINP(e),S_FLIGHT::QAR1(A)
        • P(c);::QAB(A)
        • P(e);::S(G)
      • Refutation
        • R(f);XS(G)
    • Try
      • B(I);XP(c)
      • Threat
        • DUALS(2)
      • Refutation
        • R(d);XB(I)
    • Try
      • B(J);XP(e)
      • Threat
        • DUALS(2)
      • Vars
        • R(f);::B(J)
      • Refutation
        • R(f);XB(J)
  • Actual
    • S(G);
    • Threat
      • QAR1(A)
    • Vars
      • K(a);P_SPINP(e),S_FLIGHT::QAR1(A)
      • P(c);::QAB(A)
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