MESON Chess Problem Database

Problem Display
PID: 17218 (6r1/5B2/2q1N1Nn/2r1p1Q1/2P1k3/3p4/2R2P2/4n1BK w - - 0 1)

Fuchs, Georges Matthieu

La Nation Belge, 1925

6r1/5B2/2q1N1Nn/2r1p1Q1/2P1k3/3p4/2R2P2/4n1BK

#2

9 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Sg4
      • 2.Qxg4#
    • 1...Sf5
      • 2.Qg4#
    • 1...Sxf7
      • 2.Qg4#
  • Tries
    • 1.Sxc5+?
      • 1...Kf3
        • 2.Sh4#
        • 2.Sxe5#
        • 2.Qg3#
      • 1...Kd4+
        • 2.f3#
      • 1...Qxc5!
    • 1.Re2+?
      • 1...Kf3
        • 2.Re3#
      • 1...dxe2!
    • 1.Qh4+?
      • 1...Kf3
        • 2.Sg5#
      • 1...Sg4
        • 2.Qxg4#
      • 1...Kf5+!
    • 1.Qxe5+?
      • 1...Kf3
        • 2.Qf4#
      • 1...Rxe5!
  • Keys
    • 1.Sd4!
      • threat
        • 2.Qe3#
      • 1...Kxd4+
        • 2.f3#
      • 1...Sxc2
        • 2.f3#
      • 1...exd4
        • 2.Qf4#
      • 1...Sg2
        • 2.f3#
      • 1...Sg4
        • 2.Qxg4#
      • 1...Sf5
        • 2.Qg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • S(g);N_GUARD::QAR2(F),XS(g)
    • S(g);N_GUARD::QAR2(F)
    • S(g);N_GUARD,XB(I)::QAR2(F)
  • Tries
    • Try
      • S(G);CHECK,XR(d)
      • Vars
        • K(c);CHECK,P-FLIGHT::B(A)+P(D)
      • Refutation
        • Q(f);XS(G)
    • Try
      • R(C);CHECK
      • Vars
        • K(c);S_FLIGHT::R1(C)
      • Refutation
        • P(b);XR(C)
    • Try
      • Q(F);CHECK
      • Vars
        • K(c);S_FLIGHT::S(G)
        • S(g);N_GUARD,P_SPINS(g)::QAR2(F),XS(g)
      • Refutation
        • K(c);CHECK,S_FLIGHT
    • Try
      • Q(F);CHECK,XP(e)
      • Vars
        • K(c);S_FLIGHT::QAR1(F)
      • Refutation
        • R(d);XQ(F)
  • Actual
    • S(G);
    • Threat
      • QAR1(F)
    • Vars
      • K(c);CHECK,P-FLIGHT,XS(G)::B(A)+P(D)
      • S(a);N_GUARD,XR(C)::P(D)
      • P(e);N_GUARD,SBLOCK,XS(G)::QAR1(F)
      • S(a);N_GUARD::P(D)
      • S(g);N_GUARD::QAR2(F),XS(g)
      • S(g);N_GUARD::QAR2(F)
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Developed and maintained by Brian Stephenson.
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