MESON Chess Problem Database

Problem Display
PID: 63934 (2n5/2pp1Q2/2pk2K1/n5N1/3pRqP1/3PpP2/1N2P2B/8 w - - 0 1)

Wright Wood, S (= Wood, SW)

Chess Amateur (The), 1909

2n5/2pp1Q2/2pk2K1/n5N1/3pRqP1/3PpP2/1N2P2B/8

#2

10 + 9

937 Sunday Referee 1928
922 BCF 013. Ty. 1933-1934

SOLUTION

  • SOUND
  • Tries
    • 1.Rxd4+?
      • 1...Ke5
        • 2.Qxf4#
        • 2.Qf6#
        • 2.Qg7#
      • 1...Kc5!
    • 1.Qxf4+?
      • 1...Kd5
        • 2.Qe5#
        • 2.Qf5#
      • 1...Kc5!
    • 1.Qf6+?
      • 1...Kd5
        • 2.Qxd4#
      • 1...Kc5!
  • Keys
    • 1.Re5!
      • 1...Qxg5+
        • 2.Rxg5#
      • 1...Qe4+
        • 2.Sxe4#
      • 1...Qf5+
        • 2.Rxf5#
      • 1...Qf6+
        • 2.Qxf6#
      • 1...Qxf7+
        • 2.Sxf7#
      • 1...Se7+
        • 2.Qxe7#
      • 1...Kxe5
        • 2.Bxf4#
      • 1...Qxh2
        • 2.Qf6#
      • 1...Qxe5
        • 2.Se4#
      • 1...Qxf3
        • 2.Rd5#
      • 1...Qxg4
        • 2.Rd5#
      • 1...c5
        • 2.Qd5#
      • 1...Qg3
        • 2.Qf6#
      • 1...Sb3
        • 2.Sc4#
      • 1...Sc4
        • 2.Sxc4#
      • 1...Sb7
        • 2.Sc4#
      • 1...Sb6
        • 2.Qe7#
      • 1...Sa7
        • 2.Qe7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 18
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(F);CHECK,XP(b)
      • Refutation
        • K(f);N_SPINQ(c),S_FLIGHT
    • Try
      • Q(J);CHECK,XQ(c)
      • Refutation
        • K(f);S_FLIGHT
    • Try
      • Q(J);CHECK
      • Vars
        • K(f);N_SPINQ(c),P-FLIGHT::QAR1(J),XP(b)
      • Refutation
        • K(f);N_SPINQ(c),S_FLIGHT
  • Actual
    • R(F);N_PINQ(c)
    • Vars
      • Q(c);CHECK,OGATE,XS(H)::B(C)+R(F),XQ(c)
      • Q(c);CHECK,N_GUARD::S(H),XQ(c)
      • Q(c);CHECK,OGATEB::B(C)+R(F),XQ(c)
      • Q(c);CHECK,N_GUARD::QAR2(J),XQ(c)
      • Q(c);CHECK,XQ(J)::S(H),XQ(c)
      • S(i);CHECK,N_GUARD::QAB1(J),XS(i)
      • K(f);OGATEB,P_SPINQ(c),S_FLIGHT,XR(F)::B(C),XQ(c)
      • Q(c);N_GUARD,XB(C)::QAR2(J)
      • Q(c);N_GUARD,P_SPINQ(c),XR(F)::S(H)
      • Q(c);XP(E)::B(C)+R(F),DCHECK
      • Q(c);P_PINS(H),XP(G)::B(C)+R(F),DCHECK
      • P(e);N_GUARD::QAR1(J)
      • Q(c);N_GUARD::QAR2(J)
      • S(d);N_GUARD::S(A)
      • S(d);N_GUARD::S(A),XS(d)
      • S(i);N_GUARD::QAB1(J)
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