MESON Chess Problem Database

Problem Display
PID: 124420 (7n/4P3/B1NpK3/P1k1pQ2/1N1p3R/2bP4/2R1P3/2rr1b2 w - - 0 1)

Vogel, Peter

Source?, 0000

7n/4P3/B1NpK3/P1k1pQ2/1N1p3R/2bP4/2R1P3/2rr1b2

#2

11 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Rxc3+?
      • 1...dxc3
        • 2.Rc4#
        • 2.Qf2#
      • 1...Rxc3!
    • 1.Qxe5+?
      • 1...d5
        • 2.Qxd4#
        • 2.Qd6#
        • 2.Qxd5#
      • 1...dxe5!
  • Keys
    • 1.Rxd4!
      • threat
        • 2.Rc4#
        • 2.Rd5#
      • 1...Rxd3
        • 2.Rc4#
      • 1...Bg2
        • 2.Rc4#
      • 1...d5
        • 2.Rxd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(A);CHECK,XB(d)
      • Refutation
        • R(a);XR(A)
    • Try
      • Q(G);CHECK,XP(g)
      • Refutation
        • P(h);XQ(G)
  • Actual
    • R(E);XP(e)
    • Threat
      • DUALS(2)
    • Vars
      • R(b);XP(C)::R1(E)
      • B(c);::R1(E)
      • P(h);N_SPINP(g)::R1(E),XP(h)
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