MESON Chess Problem Database

Problem Display
PID: 173964 (8/8/8/8/Q1bk1N2/3N1P2/8/6K1 w - - 0 1)

Bottacchi, Antonio

Realismo e romanticismo nell'arte problemistica di Antonio B, 2005

8/8/8/8/Q1bk1N2/3N1P2/8/6K1

#2

5 + 2

5454 Near Snap 2018
6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Qc2?
      • 1...Ke3
        • 2.Qf2#
      • 1...Ba2
        • 2.Qc5#
      • 1...Bb3
        • 2.Qc5#
      • 1...Bb5
        • 2.Qc5#
      • 1...Bd5
        • 2.Qc5#
      • 1...Ba6
        • 2.Qc5#
      • 1...Be6
        • 2.Qc5#
      • 1...Bf7
        • 2.Qc5#
      • 1...Bg8
        • 2.Qc5#
      • 1...Bxd3!
  • Keys
    • 1.Sd5!
      • 1...Kxd3
        • 2.Qd1#
      • 1...Kxd5
        • 2.Qd7#

Anticipated by 56675(1923), 157070(1955), 10797(1968)

This anticipates 164630(2014), 163268(2017)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(D);N_PINB(a)
      • Vars
        • K(b);S_FLIGHT::QAB1(D)
        • B(a);OGATE::QAB1(D)
      • Refutation
        • B(a);XS(B)
  • Actual
    • S(E);
    • Vars
      • K(b);N_SPINB(a),OGATEB,P-FLIGHT,XS(B)::QAR2(D)
      • K(b);N_SPINB(a),OGATEB,P-FLIGHT,XS(E)::QAR2(D)
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