MESON Chess Problem Database

Problem Display
PID: 2714 (2q1b1nr/r2p3p/RP1k1P2/2p5/3P1RN1/2N5/7B/K7 w - - 0 1)

Tanner, John

Source?, 0000

2q1b1nr/r2p3p/RP1k1P2/2p5/3P1RN1/2N5/7B/K7

#2

9 + 9

1679 American Chess Nuts 1868

SOLUTION

  • SOUND
  • Sets
    • 1...Qc6
      • 2.Re4#
  • Keys
    • 1.d5!
      • threat
        • 2.Rf1#
        • 2.Rf2#
        • 2.Rf3#
        • 2.Rfa4#
        • 2.Rb4#
        • 2.Rc4#
        • 2.Rd4#
        • 2.Re4#
        • 2.Rf5#
      • 1...Qxa6+
        • 2.Ra4#
      • 1...Rxa6+
        • 2.Ra4#
      • 1...Sxf6
        • 2.Re4#
      • 1...c4
        • 2.Rxc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • Q(f);SBLOCK::B(B)+R(E)
  • Actual
    • P(D);
    • Threat
      • DUALS(9)
    • Vars
      • Q(f);CHECK,XR(G)::B(B)+R(E)
      • R(c);CHECK,XR(G)::B(B)+R(E)
      • S(h);XP(I)::B(B)+R(E)
      • P(a);::B(B)+R(E),XP(a)
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