MESON Chess Problem Database

Problem Display
PID: 40342 (3r4/p3r3/1nR5/2N3b1/1Ppk2qR/5QB1/KP4n1/7b w - - 0 1)

Wynne, Frank Wilson

Hampshire Post, 1919

3r4/p3r3/1nR5/2N3b1/1Ppk2qR/5QB1/KP4n1/7b

#2

8 + 10

3360 Simple Two-move Themes 1924

SOLUTION

  • SOUND
  • Sets
    • 1...Re6
      • 2.Sxe6#
    • 1...Rb7
      • 2.Se6#
    • 1...Rc7
      • 2.Se6#
    • 1...Red7
      • 2.Se6#
    • 1...Rf7
      • 2.Se6#
    • 1...Rg7
      • 2.Se6#
    • 1...Rh7
      • 2.Se6#
    • 1...Rd5
      • 2.Qc3#
    • 1...Sd7
      • 2.Rd6#
    • 1...c3
      • 2.Sb3#
      • 2.Qd3#
  • Tries
    • 1.Rd6+?
      • 1...Sd5
        • 2.Qc3#
      • 1...Rxd6!
    • 1.Qd1+?
      • 1...Bd2
        • 2.Qxd2#
      • 1...Ke3!
  • Keys
    • 1.Re6!
      • threat
        • 2.Be5#
      • 1...Rxe6
        • 2.Sxe6#
      • 1...Qe4
        • 2.Qxe4#
      • 1...c3
        • 2.Qd3#
      • 1...Qf4
        • 2.Qd1#
      • 1...Rd5
        • 2.Qc3#
      • 1...Bf4
        • 2.Qe4#
      • 1...Bf6
        • 2.Qd1#
      • 1...Sf4
        • 2.Bf2#
      • 1...Sd7
        • 2.Rd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 6
  • Sets
    • R(i);N_GUARD::S(G),XR(i)
    • R(i);N_GUARD::S(G)
    • R(j);SBLOCK::QAB1(C)
    • S(g);N_GUARD,S_CUTR(j)::R(H)
  • Tries
    • Try
      • R(H);CHECK
      • Vars
        • S(g);P_SPINS(g)::QAB1(C)
      • Refutation
        • R(j);XR(H)
    • Try
      • Q(C);CHECK
      • Vars
        • B(f);N_GUARD,P_SPINB(f)::QAR2(C),XB(f)
      • Refutation
        • K(d);N_SPINQ(e),S_FLIGHT
  • Actual
    • R(H);
    • Threat
      • B(D)
    • Vars
      • R(i);XR(H)::S(G),XR(i)
      • Q(e);N_GUARD::QAR1(C),XQ(e)
      • P(c);N_GUARD::QAR1(C)
      • Q(e);S_CUTB(f)::QAR(C)
      • R(j);SBLOCK::QAB1(C)
      • B(f);N_SPINQ(e),S_CUTQ(e)::QAR1(C)
      • B(f);N_GUARD::QAR(C)
      • S(b);N_GUARD,N_SPINQ(e),S_CUTB(f)::B(D)
      • S(g);N_GUARD,S_CUTR(j)::R(H)
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