MESON Chess Problem Database

Problem Display
PID: 237464 (8/B2p1K2/2prpN2/2pPknRp/2P1b2r/p2p1pP1/5Q1N/8 w - - 0 1)

Labai, Zoltan

Gaudium, 2012

8/B2p1K2/2prpN2/2pPknRp/2P1b2r/p2p1pP1/5Q1N/8

#2

9 + 13

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...a2
      • 2.Qb2#
  • Tries
    • 1.Qe3?
      • threat
        • 2.Sxf3#
      • 1...Rxh2
        • 2.Qxe4#
      • 1...Rf4
        • 2.gxf4#
      • 1...f2
        • 2.Sf3#
      • 1...Rxd5!
  • Keys
    • 1.Qxc5!
      • threat
        • 2.Qd4#
      • 1...Rxd5
        • 2.Sxd7#
      • 1...Bxd5
        • 2.Sxf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • P(a);N_GUARD::QAB(A)
  • Tries
    • Try
      • Q(A);P_PINB(d)
      • Threat
        • S(B),XP(c)
      • Vars
        • R(e);N_GUARD,XS(B)::QAR1(A),XB(d)
        • R(e);OGATE::P(C),XR(e)
        • P(c);::S(B)
      • Refutation
        • R(k);XP(E)
  • Actual
    • Q(A);XP(f)
    • Threat
      • QAB1(A)
    • Vars
      • R(k);N_GUARD,P_SPINR(k),XP(E)::S(G),XP(m)
      • B(d);N_GUARD,P_SPINB(d),XP(E)::S(B),XP(c)
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