MESON Chess Problem Database

Problem Display
PID: 216834 (4B3/6B1/p4n2/3k3N/3pR3/2rp4/1Qb3K1/8 w - - 0 1)

Lord, Frederick William

Land and Water, 1874

(First published on Sat Aug 1 1874)

4B3/6B1/p4n2/3k3N/3pR3/2rp4/1Qb3K1/8

#2

6 + 7

15239 Valois Notebooks 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Ra3
      • 2.Qxd4#
    • 1...Rb3
      • 2.Qxd4#
    • 1...Rc5
      • 2.Qxd4#
    • 1...Rc6
      • 2.Qxd4#
    • 1...Rc7
      • 2.Qxd4#
    • 1...Rc8
      • 2.Qxd4#
  • Keys
    • 1.Qb6!
      • threat
        • 2.Qxd4#
      • 1...Kc4
        • 2.Rxd4#
      • 1...Kxe4
        • 2.Qe6#
      • 1...Sxe4
        • 2.Bf7#
      • 1...Sxe8
        • 2.Rxd4#
      • 1...Rc4
        • 2.Sxf6#
      • 1...Rc5
        • 2.Qe6#
      • 1...Sd7
        • 2.Rxd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 6
    • REMOVED MATES = 5
  • Sets
    • R(b);OGATE::QAR1(A),XP(d)
  • Actual
    • Q(A);
    • Threat
      • QAR1(A),XP(d)
    • Vars
      • K(e);P_SPINP(d),S_FLIGHT::R1(C),XP(d)
      • K(e);S_FLIGHT,XR(C)::QAR2(A)
      • S(g);SBLOCK,XR(C)::B(F)
      • S(g);XB(F)::R1(C),XP(d)
      • R(b);SBLOCK::S(D),XS(g)
      • R(b);SBLOCK::QAB1(A)
      • S(g);::R1(C),XP(d)
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