MESON Chess Problem Database

Problem Display
PID: 245568 (8/B1p1KP1B/8/1r2pQ1R/1Pkp2R1/2N2n2/P2p4/3N1b2 w - - 0 1)

Slesarenko, Anatoly Vasilevich

Hlas l'udu, 1990

8/B1p1KP1B/8/1r2pQ1R/1Pkp2R1/2N2n2/P2p4/3N1b2

#2

11 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rxb4
      • 2.Qe6#
    • 1...e4
      • 2.Qxb5#
  • Tries
    • 1.Rxd4+?
      • 1...exd4
        • 2.Qxb5#
      • 1...Sxd4!
  • Keys
    • 1.Qc2!
      • threat
        • 2.Qb3#
      • 1...Kxb4
        • 2.Qa4#
      • 1...Rxb4
        • 2.Se3#
      • 1...e4
        • 2.Sd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • R(f);N_GUARD,SBLOCK,XP(D)::QAB(F)
    • P(g);N_SPINP(e),OGATE::QAB1(F),XR(f)
  • Tries
    • Try
      • R(E);CHECK,XP(e)
      • Vars
        • P(g);OGATE,XR(E)::QAB1(F),XR(f)
      • Refutation
        • S(c);XR(E)
  • Actual
    • Q(F);
    • Threat
      • QAB1(F)
    • Vars
      • K(d);OGATEB,P-FLIGHT,XP(D)::QAR1(F)
      • R(f);SBLOCK,XP(D)::S(A)
      • P(g);N_SPINP(e)::QAR(F)+S(C)
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