MESON Chess Problem Database

Problem Display
PID: 208010 (3B4/n1p3K1/8/1r1P1k2/B1pPp1p1/2P3P1/1R3p2/1Q4b1 w - - 0 1)

Heather, HE

Dubuque Chess Journal, 1873

3B4/n1p3K1/8/1r1P1k2/B1pPp1p1/2P3P1/1R3p2/1Q4b1

#2

9 + 9

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Rxb2
      • 2.Bd7#
    • 1...Rb3
      • 2.Bd7#
    • 1...Rb4
      • 2.Bd7#
    • 1...Ra5
      • 2.Bd7#
    • 1...Rc5
      • 2.Bd7#
    • 1...Rb7
      • 2.Bd7#
    • 1...Rb8
      • 2.Bd7#
    • 1...Bh2
      • 2.Rxf2#
  • Tries
    • 1.Qc1?
      • threat
        • 2.Qf4#
        • 2.Qg5#
      • 1...e3
        • 2.Bc2#
        • 2.Qb1#
        • 2.Qc2#
      • 1...f1Q
        • 2.Qg5#
      • 1...f1R
        • 2.Qg5#
      • 1...Rxd5!
  • Keys
    • 1.Re2!
      • threat
        • 2.Qxe4#
      • 1...Rxb1
        • 2.Bd7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 8
  • Sets
    • R(f);OGATE,XR(B)::B(E)
    • R(f);OGATE::B(E)
    • B(a);N_GUARD::R(B),XP(b)
  • Tries
    • Try
      • Q(A);N_PINP(d)
      • Threat
        • DUALS(2)
      • Vars
        • P(b);::QAR1(A)
      • Refutation
        • R(f);XP(G)
  • Actual
    • R(B);
    • Threat
      • QAB1(A),XP(d)
    • Vars
      • R(f);N_SPINP(d),OGATE,XQ(A)::B(E)
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