MESON Chess Problem Database

Problem Display
PID: 191354 (4B1n1/4p3/1n1pk1P1/4P3/2p5/2P1R3/6QB/4K3 w - - 0 1)

Coello Alonso, Jose Antonio

Problemas, 2018

4B1n1/4p3/1n1pk1P1/4P3/2p5/2P1R3/6QB/4K3

#2

8 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Sd5
      • 2.Qh3#
      • 2.Qg4#
    • 1...d5
      • 2.Qh3#
      • 2.Qg4#
  • Tries
    • 1.Qf3?
      • threat
        • 2.Qf7#
        • 2.exd6#
      • 1...Sd5
        • 2.Qg4#
        • 2.Qh3#
        • 2.Qf7#
      • 1...Sd7
        • 2.Bf7#
        • 2.Qf7#
      • 1...Sf6
        • 2.exf6#
      • 1...Sh6
        • 2.exd6#
      • 1...d5
        • 2.Qg4#
        • 2.Qh3#
        • 2.Qf7#
      • 1...dxe5!
  • Keys
    • 1.Qg5!
      • threat
        • 2.exd6#
      • 1...Kd5
        • 2.e6#
      • 1...dxe5
        • 2.Qxe5#
      • 1...Sd5
        • 2.Qg4#
      • 1...Sd7
        • 2.Bf7#
      • 1...Sf6
        • 2.exf6#
      • 1...d5
        • 2.Qg4#

This is a version of 191353

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);
      • Threat
        • DUALS(2)
      • Vars
        • S(f);OGATE::R(E)+P(F),XS(f)
        • S(f);::R(E)+P(F),XP(c)
      • Refutation
        • P(c);P_SPINP(c),XP(F)
  • Actual
    • Q(B);
    • Threat
      • R(E)+P(F),XP(c)
    • Vars
      • K(d);OGATE,S_FLIGHT::QAR(B)+P(F)
      • P(c);OGATE,P_SPINP(c),XP(F)::QAR1(B),XP(c)
      • S(b);SBLOCK::QAB(B)
      • S(b);SBLOCK::B(H)
      • S(f);OGATE::R(E)+P(F),XS(f)
      • P(c);SBLOCK::QAB(B)
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