MESON Chess Problem Database

Problem Display
PID: 136572 (2K5/1B6/4Ppp1/8/6P1/6R1/pbQ2P1k/4rR2 w - - 0 1)

Galletti, Stefano

L'Italia Scacchistica, 2001

2K5/1B6/4Ppp1/8/6P1/6R1/pbQ2P1k/4rR2

#2

8 + 6

6490 yacpdb 2010

SOLUTION

  • SOUND
  • Sets
    • 1...Re2
      • 2.Rh1#
    • 1...Re3
      • 2.Rh1#
    • 1...Re5
      • 2.Rh1#
    • 1...Rxe6
      • 2.Rh1#
    • 1...g5
      • 2.Qh7#
  • Tries
    • 1.Qxg6?
      • threat
        • 2.Qh5#
        • 2.Qh7#
        • 2.Qh6#
      • 1...Re5
        • 2.Rh1#
      • 1...Bc1
        • 2.Qh5#
      • 1...Rc1+!
  • Keys
    • 1.Qc7!
      • threat
        • 2.Qh7#
      • 1...Rc1
        • 2.Rc3#
      • 1...Re5
        • 2.Rh1#
      • 1...Bc1
        • 2.Re3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 4
  • Sets
    • R(a);N_GUARD::R1(A)
    • R(a);N_GUARD,XP(F)::R1(A)
    • P(f);OGATE::QAR(B)
  • Tries
    • Try
      • Q(B);XP(f)
      • Threat
        • DUALS(3)
      • Vars
        • R(a);N_GUARD::R1(A)
        • B(c);::QAR(B)
      • Refutation
        • R(a);CHECK
  • Actual
    • Q(B);
    • Threat
      • QAR(B)
    • Vars
      • R(a);N_GUARD,P_PINQ(B)::QAB(B)+R(D)
      • R(a);N_GUARD::R1(A)
      • B(c);N_GUARD::QAB(B)+R(D)
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