MESON Chess Problem Database

Problem Display
PID: 174012 (1R6/2p1N3/n2p4/2kp1b1R/1rN2Q1K/B5pp/8/2r5 w - - 0 1)

Bottacchi, Antonio

Good Companions, 1920

1R6/2p1N3/n2p4/2kp1b1R/1rN2Q1K/B5pp/8/2r5

#2

7 + 10

479 Christian Science Monitor 1920
6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Bb1
      • 2.Rxd5#
    • 1...Bc2
      • 2.Rxd5#
    • 1...Bd3
      • 2.Rxd5#
    • 1...Bg4
      • 2.Rxd5#
    • 1...Bg6
      • 2.Rxd5#
    • 1...Bd7
      • 2.Rxd5#
    • 1...Bh7
      • 2.Rxd5#
    • 1...Bc8
      • 2.Rxd5#
    • 1...dxc4
      • 2.Qe3#
  • Keys
    • 1.Sb2!
      • threat
        • 2.Sa4#
      • 1...Sxb8
        • 2.Qxb4#
      • 1...Be4
        • 2.Qe3#
      • 1...Bc2
        • 2.Rxd5#
        • 2.Qc4#
      • 1...Bd7
        • 2.Sd3#
        • 2.Rxd5#
      • 1...d4
        • 2.Qxc1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 9
  • Sets
    • B(g);OGATE,P_SPINP(f)::R1(E),XP(f)
    • P(f);N_GUARD,P_SPINB(g),SBLOCK,XS(B)::QAB(C)
  • Actual
    • S(B);P_SPINQ(C)
    • Threat
      • S(B)
    • Vars
      • S(h);N_GUARD,XR(G)::QAB1(C),XR(d)
      • B(g);N_PINQ(C),P_SPINP(f)::QAB(C)
      • P(f);N_PINQ(C),P_SPINB(g),SBLOCK::QAR(C),XR(a)
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