MESON Chess Problem Database

Problem Display
PID: 221566 (3R4/BP6/p1Bp1n2/Kp1rb3/1pk3bR/1p3p2/1P2P3/5Q2 w - - 0 1)

Pilchenko, Viacheslav Karlovich

SuperProblem 124. TT, 2014

3R4/BP6/p1Bp1n2/Kp1rb3/1pk3bR/1p3p2/1P2P3/5Q2

#2

9 + 11

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Rd3
      • 2.exd3#
    • 1...Rd4
      • 2.Qc1#
    • 1...Rc5
      • 2.e3#
    • 1...Bh2
      • 2.Qc1#
    • 1...Bg3
      • 2.Qc1#
    • 1...Bd4
      • 2.exf3#
      • 2.e3#
      • 2.e4#
  • Tries
    • 1.Bxd5+?
      • 1...Sxd5
        • 2.exf3#
        • 2.e3#
        • 2.e4#
      • 1...Kxd5!
  • Keys
    • 1.Rc8!
      • threat
        • 2.Bxb5#
      • 1...Rc5
        • 2.e3#
      • 1...Rd1
        • 2.Bxf3#
      • 1...Rd2
        • 2.Bxf3#
      • 1...Rd3
        • 2.Bxf3#
        • 2.exd3#
      • 1...Rd4
        • 2.Qc1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • R(g);OGATE::P(C),XR(g)
    • R(g);N_SPINB(e),S_CUTB(h)::QAR(A)
    • R(g);N_GUARD::QAB(A)+P(C)
    • B(h);N_GUARD::QAR(A)
  • Tries
    • Try
      • B(F);CHECK,XR(g)
      • Refutation
        • K(d);N_SPINB(e),P_SPINP(j),S_FLIGHT,XB(F)
  • Actual
    • R(I);
    • Threat
      • R(I)+B(F),DCHECK,XP(f)
    • Vars
      • R(g);N_GUARD::QAB(A)+P(C)
      • R(g);OGATE::R(I)+B(F),XP(b)
      • R(g);N_SPINB(e),S_CUTB(h)::QAR(A)
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