MESON Chess Problem Database

Problem Display
PID: 17900 (1B2K1N1/3R4/R1p1k3/4p2r/NbPp2P1/4Q1nr/5nq1/1B6 w - - 0 1)

Gooderson, Arthur R

Stratford Express, 1951

1B2K1N1/3R4/R1p1k3/4p2r/NbPp2P1/4Q1nr/5nq1/1B6

#2

10 + 10

3207 A R Gooderson An English Progressive 1996

SOLUTION

  • SOUND
  • Sets
    • 1...Qd5
      • 2.cxd5#
    • 1...Rh4
      • 2.Qxe5#
    • 1...Rh6
      • 2.Qxe5#
    • 1...Rh7
      • 2.Qxe5#
    • 1...Rh8
      • 2.Qxe5#
    • 1...Be1
      • 2.Sc5#
      • 2.Rd6#
      • 2.Re7#
    • 1...Bd2
      • 2.Sc5#
      • 2.Rd6#
      • 2.Re7#
    • 1...Bc3
      • 2.Sc5#
      • 2.Rd6#
      • 2.Re7#
    • 1...Ba5
      • 2.Sc5#
      • 2.Rd6#
      • 2.Re7#
    • 1...Bc5
      • 2.Sxc5#
    • 1...Bd6
      • 2.Rxd6#
    • 1...Be7
      • 2.Rxe7#
    • 1...Sf5
      • 2.Qxe5#
  • Tries
    • 1.Bf5+?
      • 1...Sxf5
        • 2.Qxe5#
      • 1...Rxf5!
    • 1.Rxc6+?
      • 1...Bd6
        • 2.Sc5#
        • 2.Rcxd6#
        • 2.Rdxd6#
        • 2.Re7#
      • 1...Qxc6!
  • Keys
    • 1.c5!
      • threat
        • 2.Rd6#
      • 1...Bxc5
        • 2.Sxc5#
      • 1...Qd5
        • 2.Re7#
      • 1...Sfe4
        • 2.Qb3#
      • 1...Sge4
        • 2.Ba2#
      • 1...Sf5
        • 2.Qxe5#
      • 1...e4
        • 2.Rxc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 6
  • Sets
    • Q(b);OGATE::P(D),XQ(b)
    • R(h);N_GUARD::QAR1(B),XP(g)
    • R(h);N_GUARD,P_PINS(J)::QAR1(B),XP(g)
    • B(e);N_GUARD::S(C),XB(e)
    • B(e);N_GUARD::R1(G),XB(e)
    • S(c);S_CUTR(h)::QAR1(B),XP(g)
  • Tries
    • Try
      • B(A);CHECK
      • Vars
        • S(c);XB(A)::QAR1(B),XP(g)
      • Refutation
        • R(h);XB(A)
    • Try
      • R(F);CHECK,XP(i)
      • Refutation
        • Q(b);P_PINR(G),XR(F)
  • Actual
    • P(D);
    • Threat
      • R1(G)
    • Vars
      • B(e);XP(D)::S(C),XB(e)
      • Q(b);SBLOCK::R1(G)
      • S(a);N_SPINP(g),P_SPINP(i),S_CUTQ(b)::QAB(B)
      • S(c);N_SPINP(g),P_SPINP(i),S_CUTQ(b)::B(A)
      • S(c);S_CUTR(h)::QAR1(B),XP(g)
      • P(g);S_CUTQ(b)::R(F),XP(i)
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