MESON Chess Problem Database

Problem Display
PID: 103111 (8/6K1/8/4k2b/Q2ppp2/2P2P2/8/7R w - - 0 1)

MacDonald, Dennis

Apprenti Sorcier, 1994

8/6K1/8/4k2b/Q2ppp2/2P2P2/8/7R

#2

5 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qxd4+?
      • 1...Kf5
        • 2.Qf6#
        • 2.Qd5#
      • 1...Ke6!
  • Keys
    • 1.Qd7!
      • threat
        • 2.Rxh5#
        • 2.cxd4#
      • 1...Bxf3
        • 2.cxd4#
      • 1...dxc3
        • 2.Rxh5#
      • 1...exf3
        • 2.Re1#
      • 1...Bg4
        • 2.cxd4#
      • 1...Bg6
        • 2.cxd4#
      • 1...Bf7
        • 2.cxd4#
      • 1...Be8
        • 2.cxd4#
      • 1...d3
        • 2.Rxh5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(D);CHECK,XP(a)
      • Refutation
        • K(d);P-FLIGHT
  • Actual
    • Q(D);
    • Threat
      • DUALS(2)
    • Vars
      • B(e);XP(C)::P(B),XP(a)
      • P(a);XP(B)::R(A),XB(e)
      • P(b);OGATEB,XP(C)::R(A)
      • B(e);::P(B),XP(a)
      • P(a);::R(A),XB(e)
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