MESON Chess Problem Database

Problem Display
PID: 173983 (8/2Kp4/3p4/2NR4/1pkB2Q1/1p1R4/2r1r3/3b1B2 w - - 0 1)

Bottacchi, Antonio

L'Illustrazione Italiana, 1920

8/2Kp4/3p4/2NR4/1pkB2Q1/1p1R4/2r1r3/3b1B2

#2

7 + 8

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Ba1+?
      • 1...Re4
        • 2.R3d4#
      • 1...Kb5!
    • 1.Bb2+?
      • 1...Re4
        • 2.R3d4#
      • 1...Kb5!
    • 1.Bc3+?
      • 1...Kb5
        • 2.Qxb4#
      • 1...Re4!
  • Keys
    • 1.Sa4!
      • threat
        • 2.Be3#
      • 1...Kxd3+
        • 2.Bc5#
      • 1...Kxd5+
        • 2.Bc3#
      • 1...Re1
        • 2.Sb6#
      • 1...Red2
        • 2.Sb6#
      • 1...Rf2
        • 2.Sb6#
      • 1...Rg2
        • 2.Sb6#
      • 1...Rh2
        • 2.Sb6#
      • 1...Re3
        • 2.Sb6#
      • 1...Re4
        • 2.Sb6#
      • 1...Re5
        • 2.Sb6#
      • 1...Re6
        • 2.Sb6#
      • 1...Re7
        • 2.Sb6#
      • 1...Re8
        • 2.Sb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 13
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(C);CHECK
      • Vars
        • R(c);P_SPINR(c)::B(A)+R(B),DCHECK
      • Refutation
        • K(f);P_PINS(E),S_FLIGHT
    • Try
      • B(C);CHECK
      • Vars
        • R(c);P_SPINR(c)::B(A)+R(B),DCHECK
      • Refutation
        • K(f);P_PINS(E),S_FLIGHT
    • Try
      • B(C);CHECK
      • Vars
        • K(f);OGATE,S_FLIGHT::QAR1(D),XP(e)
      • Refutation
        • R(c);P_SPINR(c)
  • Actual
    • S(E);
    • Threat
      • QAR(D)+B(C)
    • Vars
      • K(f);CHECK,P_SPINR(c),S_FLIGHT,XR(B)::R(F)+B(C)
      • K(f);CHECK,S_FLIGHT,XR(F)::R(B)+B(C)
      • R(c);::S(E)
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