MESON Chess Problem Database

Problem Display
PID: 79734 (8/Q2p2q1/3P3N/1Kp4N/1n6/3B1k1p/6R1/6B1 w - - 0 1)

Wenman, Francis Percival (aka Percy Wenman)

The Field, 1941

(First published on Sat Feb 8 1941)

8/Q2p2q1/3P3N/1Kp4N/1n6/3B1k1p/6R1/6B1

#2

8 + 6

419 One Hundred Published Problems 1944

SOLUTION

  • SOUND
  • Sets
    • 1...Qa1
      • 2.Rg3#
    • 1...Qb2
      • 2.Rg3#
    • 1...Qc3
      • 2.Rg3#
    • 1...Qd4
      • 2.Rg3#
    • 1...Qf6
      • 2.Rg3#
    • 1...Qxh6
      • 2.Rg3#
    • 1...Qf8
      • 2.Rg3#
    • 1...Qh8
      • 2.Rg3#
    • 1...Qg3
      • 2.Rxg3#
    • 1...Qe7
      • 2.Rg3#
    • 1...Qf7
      • 2.Rg3#
    • 1...Qh7
      • 2.Rg3#
    • 1...Sa2
      • 2.Qb7#
      • 2.Qa8#
    • 1...Sc2
      • 2.Qb7#
      • 2.Qa8#
    • 1...Sxd3
      • 2.Qb7#
      • 2.Qa8#
    • 1...Sa6
      • 2.Qb7#
      • 2.Qa8#
    • 1...c4
      • 2.Rf2#
      • 2.Qf2#
  • Tries
    • 1.Qxc5?
      • threat
        • 2.Rf2#
        • 2.Qf2#
      • 1...Qxh6
        • 2.Rg3#
        • 2.Qf2#
      • 1...Qxg2
        • 2.Qe3#
        • 2.Qf5#
      • 1...Sxd3
        • 2.Qd5#
      • 1...hxg2
        • 2.Qf2#
        • 2.Qe3#
        • 2.Qf5#
      • 1...Qb2
        • 2.Rg3#
      • 1...Qd4
        • 2.Rg3#
      • 1...Qe5
        • 2.Rf2#
      • 1...Qg3
        • 2.Rxg3#
      • 1...Qg5
        • 2.Rf2#
      • 1...Kxg2!
    • 1.Qa2?
      • threat
        • 2.Qe2#
        • 2.Qf2#
      • 1...Qxg2
        • 2.Qf7#
      • 1...Sxd3
        • 2.Qd5#
        • 2.Qe2#
        • 2.Qa8#
      • 1...Qb2
        • 2.Rg3#
      • 1...Sc2
        • 2.Qd5#
        • 2.Qa8#
      • 1...Qd4
        • 2.Rg3#
        • 2.Qe2#
      • 1...Qe5
        • 2.Qf2#
      • 1...Qg3
        • 2.Rxg3#
        • 2.Qe2#
      • 1...Qe7
        • 2.Rg3#
        • 2.Qf2#
      • 1...Sxa2!
    • 1.Qb7+?
      • 1...Sd5
        • 2.Qxd5#
      • 1...Sc6!
    • 1.Qa8+?
      • 1...Sd5
        • 2.Qxd5#
      • 1...Sc6!
  • Keys
    • 1.Qa1!
      • threat
        • 2.Qf1#
      • 1...Kxg2
        • 2.Be4#
      • 1...Qxa1
        • 2.Rg3#
      • 1...Qxg2
        • 2.Qf6#
      • 1...Sxd3
        • 2.Qa8#
      • 1...hxg2
        • 2.Qd1#
      • 1...Qb2
        • 2.Rg3#
      • 1...Qd4
        • 2.Rg3#
      • 1...Qg3
        • 2.Rxg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 8
  • Sets
    • Q(f);N_GUARD::R1(B)
    • Q(f);N_GUARD,XS(G)::R1(B)
    • Q(f);N_GUARD::R1(B),XQ(f)
  • Tries
    • Try
      • Q(H);XP(d)
      • Threat
        • DUALS(2)
      • Vars
        • S(c);N_GUARD,XB(C)::QAB(H)
        • Q(f);N_GUARD::R1(B)
        • Q(f);P_PINQ(H)::R1(B)
        • Q(f);N_GUARD::R1(B),XQ(f)
      • Refutation
        • K(a);S_FLIGHT,XR(B)
    • Try
      • Q(H);
      • Threat
        • DUALS(2)
      • Vars
        • Q(f);N_GUARD,SBLOCK,XR(B)::QAR(H)
        • Q(f);N_GUARD::R1(B)
        • Q(f);::QAR1(H)
      • Refutation
        • S(c);XQ(H)
    • Try
      • Q(H);CHECK
      • Vars
        • S(c);N_GUARD,P_SPINS(c)::QAB(H),XS(c)
      • Refutation
        • S(c);P_SPINS(c)
    • Try
      • Q(H);CHECK
      • Vars
        • S(c);N_GUARD,P_SPINS(c)::QAB(H),XS(c)
      • Refutation
        • S(c);P_SPINS(c)
  • Actual
    • Q(H);
    • Threat
      • QAR2(H)
    • Vars
      • K(a);S_FLIGHT,XR(B)::B(C)
      • Q(f);N_GUARD,XQ(H)::R1(B)
      • Q(f);N_GUARD,SBLOCK,XR(B)::QAR(H)
      • S(c);N_GUARD,XB(C)::QAB(H)
      • P(b);SBLOCK,XR(B)::QAB(H)
      • Q(f);N_GUARD::R1(B)
      • Q(f);N_GUARD::R1(B),XQ(f)
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