MESON Chess Problem Database

Problem Display
PID: 270372 (3RQ3/1pPN1p2/3K1p2/2p2p1r/2pkPP1b/1bRp1p2/3B4/8 w - - 0 1)

Labai, Zoltan

Zamanov, Vidadi

The Problemist, 2022

3RQ3/1pPN1p2/3K1p2/2p2p1r/2pkPP1b/1bRp1p2/3B4/8

#2

9 + 12

SOLUTION

  • SOUND
  • Tries
    • 1.Ke7?
      • threat
        • 2.Sxf6#
      • 1...Kxe4
        • 2.Sxc5#
      • 1...fxe4
        • 2.Se5#
      • 1...Ba4!
    • 1.Sxf6?
      • threat
        • 2.Ke7#
        • 2.Qe5#
      • 1...fxe4
        • 2.Qxe4#
      • 1...Ba4
        • 2.Qe5#
      • 1...Bxf6!
    • 1.Qxf7?
      • threat
        • 2.Qd5#
      • 1...Kxe4
        • 2.Qd5#
      • 1...fxe4!
  • Keys
    • 1.Se5!
      • threat
        • 2.Sxf3#
      • 1...Kxe4
        • 2.Sc6#
      • 1...fxe4
        • 2.Ke7#
      • 1...fxe5
        • 2.Qxe5#
      • 1...Bd1
        • 2.Rxc4#
      • 1...f2
        • 2.Sf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(E);S_FLIGHT
      • Threat
        • R(H)+S(G),XP(j)
      • Vars
        • K(e);N_GUARD,P-FLIGHT,XP(C)::S(G),XP(g)
        • P(h);SBLOCK,XP(C)::R(H)+S(G)
      • Refutation
        • B(a);
    • Try
      • S(G);XP(j)
      • Threat
        • DUALS(2)
      • Vars
        • P(h);OGATE,XP(C)::QAR1(I),XP(h)
        • B(a);::QAB1(I)
      • Refutation
        • B(f);XS(G)
    • Try
      • Q(I);XP(l)
      • Threat
        • QAR1(I)
      • Vars
        • K(e);P-FLIGHT,XP(C)::QAB1(I)
      • Refutation
        • P(h);XP(C)
  • Actual
    • S(G);
    • Threat
      • S(G),XP(c)
    • Vars
      • K(e);P-FLIGHT,S_CUTP(k),XP(C)::QAR(I)+S(G)
      • P(h);SBLOCK,XP(C)::R(H)+K(E)
      • P(j);OGATE,XS(G)::QAB1(I),XP(j)
      • B(a);N_GUARD::R1(B),XP(d)
      • P(c);::S(G)
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