MESON Chess Problem Database

Problem Display
PID: 212080 (K1N1Rq2/1BN2p2/4pp2/1R1pkP2/4Pn2/b1P3Q1/8/8 w - - 0 1)

Petite, Efren

Schach-Echo, 1962

K1N1Rq2/1BN2p2/4pp2/1R1pkP2/4Pn2/b1P3Q1/8/8

#2

10 + 8

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Sxe6?
      • threat
        • 2.Qxf4#
      • 1...fxe6
        • 2.Rxe6#
      • 1...Qh6
        • 2.Sc5#
      • 1...Bc1
        • 2.Sxf8#
      • 1...Kxe4!
  • Keys
    • 1.Sxd5!
      • threat
        • 2.Qxf4#
      • 1...Kxe4
        • 2.Sxf4#
        • 2.Sxf6#
      • 1...Qh6
        • 2.Sb4#
      • 1...Bc1
        • 2.Sde7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(G);XP(e)
      • Threat
        • QAB1(B),XS(b)
      • Vars
        • P(g);OGATE,XS(G)::R1(J),XP(g)
        • Q(h);N_GUARD::R(J)+S(G)
        • B(a);N_GUARD::R(J)+S(G),XQ(h)
      • Refutation
        • K(d);N_SPINS(b),P-FLIGHT,XP(C)
  • Actual
    • S(G);P_PINP(e),XP(c)
    • Threat
      • QAB1(B),XS(b)
    • Vars
      • Q(h);N_GUARD::R(D)+S(G)
      • B(a);N_GUARD::R(D)+S(G)
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