MESON Chess Problem Database

Problem Display
PID: 96839 (8/1K2p3/4p1B1/2NP1q2/3B1P2/1N5p/n1k1P3/2b2Q2 w - - 0 1)

Wenman, Francis Percival (aka Percy Wenman)

200 Assorted Problems (Wenman), 1945

8/1K2p3/4p1B1/2NP1q2/3B1P2/1N5p/n1k1P3/2b2Q2

#2

9 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Qd3
      • 2.Bxd3#
    • 1...Qe4
      • 2.Bxe4#
    • 1...Bd2
      • 2.Sa1#
    • 1...Sc3
      • 2.Qxc1#
    • 1...Sb4
      • 2.Qxc1#
    • 1...exd5
      • 2.Bxf5#
  • Tries
    • 1.Sa1+?
      • 1...Kd2
        • 2.Scb3#
      • 1...Kb1!
    • 1.Qd1+?
      • 1...Kb1
        • 2.Sd2#
      • 1...Kxd1!
    • 1.dxe6?
      • threat
        • 2.Bxf5#
      • 1...Qe4+
        • 2.Bxe4#
      • 1...Kb1
        • 2.Bxf5#
      • 1...Sc3
        • 2.Qxc1#
      • 1...Qd3
        • 2.Bxd3#
      • 1...Sb4
        • 2.Qxc1#
      • 1...Qxg6!
  • Keys
    • 1.e4!
      • threat
        • 2.Qd3#
      • 1...Qxd5+
        • 2.exd5#
      • 1...Kb1
        • 2.Qd3#
      • 1...Qxe4
        • 2.Bxe4#
      • 1...Sc3
        • 2.Qxc1#
      • 1...Bd2
        • 2.Sa1#
      • 1...Sb4
        • 2.Qxc1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • Q(e);OGATE::B(H),XQ(e)
    • Q(e);OGATE,P_PINP(G)::B(H),XQ(e)
    • B(a);SBLOCK::S(C)
    • S(b);N_GUARD::QAR1(A),XB(a)
    • P(f);N_GUARD,XP(G)::B(H),XQ(e)
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • K(c);N_SPINQ(e),P-FLIGHT::S(F)
      • Refutation
        • K(c);P_SPINB(a),S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(c);P_SPINB(a),S_FLIGHT::S(C)
      • Refutation
        • K(c);N_SPINQ(e),S_FLIGHT,XQ(A)
    • Try
      • P(G);XP(f)
      • Threat
        • B(H),XQ(e)
      • Vars
        • Q(e);CHECK,OGATE::B(H),XQ(e)
        • K(c);P_SPINB(a),S_FLIGHT::B(H),XQ(e)
        • S(b);N_GUARD::QAR1(A),XB(a)
        • Q(e);OGATE::B(H),XQ(e)
      • Refutation
        • Q(e);N_SPINQ(e),XB(H)
  • Actual
    • P(B);N_PINQ(e)
    • Threat
      • QAB1(A)
    • Vars
      • Q(e);CHECK,OGATE,XP(G)::B(H)+P(B),XQ(e)
      • K(c);P_SPINB(a),S_FLIGHT::QAB(A)
      • Q(e);OGATE,P_PINP(G),P_SPINQ(e),XP(B)::B(H),XQ(e)
      • S(b);N_GUARD::QAR1(A),XB(a)
      • B(a);SBLOCK::S(C)
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