MESON Chess Problem Database

Problem Display
PID: 623 (2b2K2/1p5N/1Pp1k3/2PR4/3Pp3/4Ppp1/Q6P/5R2 w - - 0 1)

Blake, Percy Francis

British Chess Magazine, 1892

2b2K2/1p5N/1Pp1k3/2PR4/3Pp3/4Ppp1/Q6P/5R2

#2

10 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Bd7
      • 2.Re5#
      • 2.Rg5#
      • 2.Rh5#
  • Tries
    • 1.Qb1?
      • threat
        • 2.Qxe4#
      • 1...Kxd5
        • 2.Qa2#
        • 2.Qb3#
      • 1...cxd5!
    • 1.Qc2?
      • threat
        • 2.Qxe4#
      • 1...Kxd5
        • 2.Qb3#
        • 2.Qa2#
      • 1...cxd5!
  • Keys
    • 1.Qg2!
      • 1...Kxd5
        • 2.Qa2#
      • 1...fxg2
        • 2.Rd6#
      • 1...gxh2
        • 2.Qg8#
      • 1...cxd5
        • 2.Qh3#
      • 1...Bd7
        • 2.Re5#
      • 1...f2
        • 2.Qxe4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);
      • Threat
        • QAR2(B),XP(c)
      • Refutation
        • P(d);XR(G)
    • Try
      • Q(B);
      • Threat
        • QAR2(B),XP(c)
      • Refutation
        • P(d);XR(G)
  • Actual
    • Q(B);
    • Vars
      • K(e);OGATEB,S_FLIGHT,XR(G)::QAB(B)
      • P(a);XQ(B)::R1(G)
      • P(b);OGATE,XP(C)::QAB(B)
      • P(d);SBLOCK,XR(G)::QAB(B)
      • B(g);SBLOCK::R1(G)
      • P(a);OGATE::QAR2(B),XP(c)
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