MESON Chess Problem Database

Problem Display
PID: 96875 (4B3/N2nQp2/rrPn1P2/3k2K1/R2B4/1P2pP1b/2N5/2R3b1 w - - 0 1)

Wenman, Francis Percival (aka Percy Wenman)

200 Assorted Problems (Wenman), 1945

4B3/N2nQp2/rrPn1P2/3k2K1/R2B4/1P2pP1b/2N5/2R3b1

#2

12 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bh2
      • 2.Sxe3#
    • 1...Sc4
      • 2.bxc4#
    • 1...Se4+
      • 2.fxe4#
    • 1...Sf5
      • 2.Bxf7#
    • 1...Sc5
      • 2.Qe5#
    • 1...Se5
      • 2.Qxe5#
    • 1...Sxf6
      • 2.Qe5#
    • 1...Sb8
      • 2.Qe5#
    • 1...Sf8
      • 2.Qe5#
  • Tries
    • 1.Sb4+?
      • 1...Kxd4
        • 2.Qxd6#
      • 1...Rxb4!
    • 1.Be5?
      • threat
        • 2.Qxd6#
      • 1...Se4+
        • 2.fxe4#
      • 1...Kc5
        • 2.Sxe3#
        • 2.Sb4#
        • 2.Qxd6#
      • 1...Rxc6
        • 2.Sb4#
      • 1...Sxe8
        • 2.Rd1#
        • 2.Rd4#
      • 1...Sc4
        • 2.bxc4#
      • 1...Sb5
        • 2.Sb4#
      • 1...Sf5
        • 2.Bxf7#
      • 1...Sb7
        • 2.Rd1#
        • 2.Rd4#
      • 1...Sc8
        • 2.Rd1#
        • 2.Rd4#
      • 1...Sxe5!
    • 1.Bxd7?
      • threat
        • 2.Qe5#
      • 1...Se4+
        • 2.fxe4#
      • 1...Bh2
        • 2.Sxe3#
      • 1...Sc4
        • 2.Qc5#
        • 2.bxc4#
      • 1...Be6!
    • 1.Bxf7+?
      • 1...Be6
        • 2.Bxe6#
        • 2.Qxe6#
      • 1...Sxf7+!
  • Keys
    • 1.Bc5!
      • threat
        • 2.Qxd6#
      • 1...Se4+
        • 2.fxe4#
      • 1...Kxc5
        • 2.Sxe3#
      • 1...Rxc6
        • 2.Sb4#
      • 1...Sxe8
        • 2.Rd1#
        • 2.Rd4#
      • 1...Sxc5
        • 2.Rd4#
      • 1...Bh2
        • 2.Sxe3#
      • 1...Sc4
        • 2.bxc4#
      • 1...Sb5
        • 2.Sb4#
      • 1...Sf5
        • 2.Bxf7#
      • 1...Sb7
        • 2.Rd1#
        • 2.Rd4#
      • 1...Sc8
        • 2.Rd1#
        • 2.Rd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 4
  • Sets
    • B(a);N_GUARD::S(B),XP(b)
    • S(g);OGATE::P(C),XS(g)
    • S(g);CHECK,OGATE::P(D),XS(g)
    • S(g);N_GUARD,S_CUTB(c)::B(L),XP(i)
    • S(h);N_GUARD::QAR1(K)
    • S(h);N_GUARD::QAR1(K),XS(h)
    • S(h);N_GUARD,XP(I)::QAR1(K)
  • Tries
    • Try
      • S(B);CHECK
      • Vars
        • K(d);P-FLIGHT,XB(F)::QAR2(K),XS(g)
      • Refutation
        • R(f);XS(B)
    • Try
      • B(F);
      • Threat
        • QAR1(K),XS(g)
      • Vars
        • S(g);CHECK,OGATE::P(D),XS(g)
        • R(f);N_GUARD,XP(H)::S(B)
        • S(g);OGATE::P(C),XS(g)
        • S(g);S_CUTR(f)::S(B)
        • S(g);N_GUARD,S_CUTB(c)::B(L),XP(i)
      • Refutation
        • S(h);XB(F)
    • Try
      • B(L);XS(h)
      • Threat
        • QAR1(K)
      • Vars
        • S(g);CHECK,OGATE::P(D),XS(g)
        • B(a);N_GUARD::S(B),XP(b)
      • Refutation
        • B(c);
    • Try
      • B(L);CHECK,XP(i)
      • Refutation
        • S(g);CHECK,XB(L)
  • Actual
    • B(F);
    • Threat
      • QAR1(K),XS(g)
    • Vars
      • S(g);CHECK,OGATE::P(D),XS(g)
      • K(d);P-FLIGHT,P_SPINS(g),XB(F)::R(A)+S(B),XP(b)
      • R(f);N_GUARD,XP(H)::S(B)
      • S(h);SBLOCK,XB(F)::R1(E)
      • B(a);N_GUARD::S(B),XP(b)
      • S(g);OGATE::P(C),XS(g)
      • S(g);S_CUTR(f)::S(B)
      • S(g);N_GUARD,S_CUTB(c)::B(L),XP(i)
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