MESON Chess Problem Database

Problem Display
PID: 51631 (8/1Bp1p3/2rNNq2/Rbbk4/8/4r1B1/4Q3/R3K3 w Q - 0 1)

Barrow, John Hugh

Chess Amateur (The), 1924

8/1Bp1p3/2rNNq2/Rbbk4/8/4r1B1/4Q3/R3K3

#2

8 + 8

5257 Chess Problems by J H Barrow 2004

SOLUTION

  • SOUND
  • Sets
    • 1...Qd4
      • 2.Sxc7#
    • 1...Ra3
      • 2.Qe4#
    • 1...Rb3
      • 2.Qe4#
    • 1...Rc3
      • 2.Qe4#
    • 1...Rd3
      • 2.Qe4#
    • 1...Rf3
      • 2.Qe4#
    • 1...Re4
      • 2.Qxe4#
  • Keys
    • 1.0-0-0+!
      • 1...Kxe6
        • 2.Bc8#
      • 1...Qd4
        • 2.Sxc7#
      • 1...Rd3
        • 2.Qe4#
      • 1...Bd3
        • 2.Qa2#
      • 1...Bd4+
        • 2.Qc4#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 5
  • Sets
    • Q(f);SBLOCK::S(G),XP(g)
    • R(a);N_PINQ(C)::QAB1(C)
    • R(a);::QAB1(C),XR(a)
  • Actual
    • K(B);0-0-0,CHECK,N_SPINQ(C)
    • Vars
      • K(d);N_SPINR(e),P_SPINR(a),S_FLIGHT,XS(G)::B(H)
      • Q(f);P_SPINQ(f)::S(G),XP(g)
      • R(a);N_SPINR(e),OGATE,P_SPINR(a)::QAB1(C)
      • B(b);P_SPINB(b)::QAB(C)
      • B(c);CHECK,P_SPINB(c)::QAB1(C)
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