MESON Chess Problem Database

Problem Display
PID: 70571 (3R4/3N1n2/1pR1pP2/3kr3/3q2P1/K3p3/7B/3Q4 w - - 0 1)

Branch, William Shelley

Source?, 0000

3R4/3N1n2/1pR1pP2/3kr3/3q2P1/K3p3/7B/3Q4

#2

8 + 7

187 The Chess Bouquet 1897
15351 SCPF/BCPS Black Books 2016

SOLUTION

  • SOUND
  • Tries
    • 1.Sxb6+?
      • 1...Ke4
        • 2.Rxd4#
      • 1...Kxc6!
  • Keys
    • 1.Rc4!
      • threat
        • 2.Qxd4#
      • 1...Qd3+
        • 2.Qxd3#
      • 1...Kxc4
        • 2.Qb3#
      • 1...Ke4
        • 2.Rxd4#
      • 1...Kd6
        • 2.Qxd4#
      • 1...Qxd1
        • 2.Sxb6#
      • 1...Qd2
        • 2.Sxb6#
      • 1...Re4
        • 2.Sxb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(G);CHECK,XP(e)
      • Vars
        • K(c);N_SPINQ(b),OGATE,S_FLIGHT::R1(H),XQ(b)
      • Refutation
        • K(c);N_SPINQ(b),S_FLIGHT,XR(E)
  • Actual
    • R(E);
    • Threat
      • QAR1(A),XQ(b)
    • Vars
      • Q(b);CHECK,OGATEB::QAR2(A),XQ(b)
      • K(c);N_SPINQ(b),OGATEB,S_FLIGHT,XR(E)::QAB1(A)
      • K(c);S_FLIGHT::R1(E),XQ(b)
      • K(c);P-FLIGHT,P_SPINR(d)::QAR2(A),XQ(b)
      • Q(b);N_SPINQ(b),XQ(A)::R(H)+S(G),DCHECK,XP(e)
      • Q(b);::R(H)+S(G),DCHECK,XP(e)
      • R(d);SBLOCK::R(H)+S(G),DCHECK,XP(e)
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