MESON Chess Problem Database

Problem Display
PID: 174006 (2B5/7b/3B4/n6Q/2ppk3/2b1p3/6R1/1K6 w - - 0 1)

Bottacchi, Antonio

L'Illustrazione Italiana, 1921

2B5/7b/3B4/n6Q/2ppk3/2b1p3/6R1/1K6

#2

5 + 7

3713 Snap 2018
6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Kd3
      • 2.Qxh7#
    • 1...Bf5
      • 2.Qxf5#
    • 1...Bg8
      • 2.Qf5#
  • Keys
    • 1.Qh1!
      • threat
        • 2.Rd2#
      • 1...Kf3+
        • 2.Rc2#
      • 1...Kd5+
        • 2.Rg6#
      • 1...Kd3
        • 2.Qxh7#
      • 1...e2
        • 2.Rg3#
      • 1...Bd2
        • 2.Rxd2#
      • 1...d3
        • 2.Rg4#

This anticipates 63888(1927)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 2
  • Sets
    • K(e);S_FLIGHT::QAB(C),XB(g)
    • B(g);N_GUARD::QAB1(C),XB(g)
    • B(g);N_GUARD::QAB1(C)
  • Actual
    • Q(C);
    • Threat
      • QAB(C)+R(B)
    • Vars
      • K(e);CHECK,S_FLIGHT::QAB(C)+R(B)
      • K(e);S_FLIGHT::QAB(C),XB(g)
      • P(b);::QAB(C)+R(B)
      • B(a);::QAB(C)+R(B),XB(a)
      • P(d);SBLOCK::QAB(C)+R(B),DCHECK
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