MESON Chess Problem Database

Problem Display
PID: 168965 (8/1b6/8/2pp4/p2p3N/1P3Np1/R1PK1kB1/2B5 w - - 0 1)

Armeni, Alberto

SuperProblem, 2016

8/1b6/8/2pp4/p2p3N/1P3Np1/R1PK1kB1/2B5

#2

8 + 7

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Kd3?
      • threat
        • 2.c3#
        • 2.c4#
      • 1...Ba6+
        • 2.c4#
      • 1...axb3
        • 2.cxb3#
      • 1...c4+!
    • 1.c4?
      • threat
        • 2.Kd1#
        • 2.Kd3#
      • 1...dxc4 ep+
        • 2.Kxc3#
      • 1...dxc4
        • 2.Kd1#
      • 1...d3
        • 2.Kxd3#
      • 1...axb3!
  • Keys
    • 1.Kd1!
      • threat
        • 2.c3#
        • 2.c4#
      • 1...axb3
        • 2.cxb3#
      • 1...Ba6
        • 2.c4#
      • 1...d3
        • 2.cxd3#
      • 1...c4
        • 2.c3#

This is a version of 47368

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(D);P-FLIGHT
      • Threat
        • DUALS(2)
      • Vars
        • B(g);CHECK::R(B)+P(C)
        • P(c);OGATE,XP(F)::R(B)+P(C),XP(c)
      • Refutation
        • P(e);CHECK
    • Try
      • P(C);
      • Threat
        • DUALS(2)
      • Vars
        • P(d);CHECK,EP,XP(C)::R(B)+K(D),XP(d)
        • P(f);XP(C)::R(B)+K(D)
        • P(d);::R(B)+K(D),XP(d)
      • Refutation
        • P(c);XP(F)
  • Actual
    • K(D);P-FLIGHT
    • Threat
      • DUALS(2)
    • Vars
      • P(c);OGATE,XP(F)::R(B)+P(C),XP(c)
      • B(g);::R(B)+P(C)
      • P(d);OGATE::R(B)+P(C),XP(d)
      • P(e);::R(B)+P(C)
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