MESON Chess Problem Database

Problem Display
PID: 238901 (B6b/2ppp1P1/1Ppk4/1R1P4/R4N2/8/1B6/K7 w - - 0 1)

Petite, Efren

Il Due Mosse, 1956

B6b/2ppp1P1/1Ppk4/1R1P4/R4N2/8/1B6/K7

#2

9 + 6

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...cxd5
      • 2.Rxd5#
  • Tries
    • 1.gxh8Q?
      • threat
        • 2.Be5#
        • 2.Qe5#
      • 1...e5
        • 2.Qxe5#
        • 2.Qf6#
        • 2.Qf8#
      • 1...e6
        • 2.Qf8#
      • 1...cxb5!
  • Keys
    • 1.dxc6!
      • threat
        • 2.Ba3#
        • 2.Be5#
        • 2.Rd4#
        • 2.Rd5#
      • 1...Bxg7
        • 2.Rd5#
      • 1...cxb6
        • 2.Be5#
      • 1...dxc6
        • 2.Rd4#
      • 1...e5
        • 2.Ba3#
      • 1...e6
        • 2.Ba3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • P(a);OGATE,XP(F)::R1(E),XP(a)
  • Tries
    • Try
      • P(H);XB(f)
      • Threat
        • DUALS(2)
      • Vars
        • P(e);OGATEB::QAB(H)
      • Refutation
        • P(a);XR(E)
  • Actual
    • P(F);XP(a)
    • Threat
      • DUALS(4)
    • Vars
      • B(f);P_PINB(B),XP(H)::R1(E)
      • P(c);XP(G)::B(B)
      • P(d);XP(F)::R(C)
      • P(e);::B(B)
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