MESON Chess Problem Database

Problem Display
PID: 218439 (q4n2/2p5/3pR3/1p1k1K2/1PN5/1P6/Br1r4/3R2Q1 w - - 0 1)

Mills, DY

Philadelphia Times, 1881

q4n2/2p5/3pR3/1p1k1K2/1PN5/1P6/Br1r4/3R2Q1

#2

8 + 8

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...c5
      • 2.Rxd6#
    • 1...c6
      • 2.Sb6#
      • 2.Rxd6#
  • Tries
    • 1.Re5+?
      • 1...dxe5
        • 2.Qc5#
      • 1...Kc6!
  • Keys
    • 1.Qb6!
      • threat
        • 2.Se3#
      • 1...bxc4
        • 2.bxc4#
      • 1...cxb6
        • 2.Rxd6#
      • 1...c5
        • 2.Rxd6#
        • 2.Qxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • P(f);N_GUARD::R1(H),XP(e)
  • Tries
    • Try
      • R(H);CHECK
      • Vars
        • P(e);XR(H)::QAR1(B)
      • Refutation
        • K(d);N_SPINR(b),S_FLIGHT
  • Actual
    • Q(B);
    • Threat
      • S(F)
    • Vars
      • P(c);OGATE,XS(F)::P(D),XP(c)
      • P(f);N_GUARD,XQ(B)::R1(H),XP(e)
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