MESON Chess Problem Database

Problem Display
PID: 10351 (4N3/b5R1/p1r1k3/p1r1pp2/b4P2/1N6/2R2QB1/6K1 w - - 0 1)

Gooderson, Arthur R

The Guardian, 1963

4N3/b5R1/p1r1k3/p1r1pp2/b4P2/1N6/2R2QB1/6K1

#2

8 + 9

3207 A R Gooderson An English Progressive 1996

SOLUTION

  • SOUND
  • Sets
    • 1...Rb5
      • 2.Rxc6#
    • 1...Rb6
      • 2.Sxc5#
  • Keys
    • 1.Qd4!
      • threat
        • 2.Qd7#
      • 1...Rxc2
        • 2.Bd5#
      • 1...exd4
        • 2.Sxd4#
      • 1...exf4
        • 2.Qf6#
      • 1...Rc3
        • 2.Bd5#
      • 1...Rc4
        • 2.Bd5#
      • 1...Rb5
        • 2.Rxc6#
      • 1...Rd5
        • 2.Bxd5#
      • 1...Rb6
        • 2.Sxc5#
      • 1...Rd6
        • 2.Qxd6#
      • 1...Rc7
        • 2.Qd6#
      • 1...Rc8
        • 2.Qd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
    • R(c);OGATE,P_PINQ(C)::R(B),XR(g)
    • R(g);N_GUARD,S_CUTB(i)::S(E),XR(c)
  • Actual
    • Q(C);
    • Threat
      • QAB1(C)
    • Vars
      • R(c);N_GUARD,P_PINQ(C),XR(B)::B(D)
      • P(d);XQ(C)::S(E),XP(d)
      • P(d);OGATE,XP(F)::QAR1(C)
      • R(c);N_GUARD,P_PINQ(C)::B(D)
      • R(c);OGATE,P_PINQ(C)::R(B),XR(g)
      • R(c);N_GUARD,P_PINQ(C)::B(D),XR(c)
      • R(g);N_GUARD,S_CUTB(i)::S(E),XR(c)
      • R(g);N_GUARD::QAR1(C),XR(g)
      • R(g);N_GUARD::QAR1(C)
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