MESON Chess Problem Database

Problem Display
PID: 187303 (2B5/1K3p2/5Pp1/1pP3pp/p3kNR1/2PN1q1R/2QpPP1B/4n3 w - - 0 1)

Klemanic, Emil

Salai (Jr), Ladislav

1st Prize, Marianka TT, 2013

2B5/1K3p2/5Pp1/1pP3pp/p3kNR1/2PN1q1R/2QpPP1B/4n3

#2

13 + 10

15511 harmonie-aktiv 2013

SOLUTION

  • SOUND
  • Sets
    • 1...Qh1
      • 2.Re3#
    • 1...Qg2
      • 2.Re3#
    • 1...Qxg4
      • 2.Re3#
    • 1...Qxd3
      • 2.Re3#
    • 1...Qe3
      • 2.Rxe3#
    • 1...Sxc2
      • 2.exf3#
    • 1...Sg2
      • 2.exf3#
  • Tries
    • 1.Sxe1+?
      • 1...Qd3
        • 2.Re3#
      • 1...Ke5+!
    • 1.Qxa4+?
      • 1...b4
        • 2.Qc6#
        • 2.Qe8#
        • 2.Qxb4#
      • 1...bxa4!
    • 1.Qa2?
      • threat
        • 2.Qd5#
      • 1...Qxd3
        • 2.Sxh5#
      • 1...Qxf4
        • 2.Re3#
      • 1...gxf4!
  • Keys
    • 1.Rxg5!
      • threat
        • 2.Re5#
      • 1...Qxd3
        • 2.Re3#
      • 1...Qxf4
        • 2.Sxe1#
      • 1...Sxd3
        • 2.exf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 6
  • Sets
    • Q(c);OGATE::R1(G)
    • Q(c);OGATE,XR(I)::R1(G)
    • Q(c);OGATE,P_SPINQ(c),XS(F)::R1(G)
    • Q(c);OGATE::R1(G),XQ(c)
    • S(a);N_GUARD,XQ(A)::P(B),XQ(c)
    • S(a);N_GUARD::P(B),XQ(c)
  • Tries
    • Try
      • S(F);CHECK,XS(a)
      • Vars
        • Q(c);OGATE,P_SPINQ(c)::R1(G)
      • Refutation
        • K(e);CHECK,P-FLIGHT
    • Try
      • Q(A);CHECK,XP(d)
      • Refutation
        • P(f);XQ(A)
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Vars
        • Q(c);N_GUARD,XS(F)::R(I)+S(H),XP(h)
        • Q(c);OGATE,P_SPINQ(c),XS(H)::R1(G)
      • Refutation
        • P(g);P_SPINP(g),XS(H)
  • Actual
    • R(I);XP(g)
    • Threat
      • R1(I)
    • Vars
      • Q(c);OGATE,P_SPINQ(c),XS(F)::R1(G)
      • Q(c);N_GUARD,XS(H)::QAB(A)+S(F),XS(a)
      • S(a);N_GUARD,P_SPINS(a),XS(F)::P(B),XQ(c)
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Developed and maintained by Brian Stephenson.
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