MESON Chess Problem Database

Problem Display
PID: 44721 (5Q2/p7/Pbp1N3/2pp4/4p2R/1Ppk3K/nPR2Bn1/3B3b w - - 0 1)

Pachl, Franz

1st Prize, Rochade Europa, 1983

5Q2/p7/Pbp1N3/2pp4/4p2R/1Ppk3K/nPR2Bn1/3B3b

#2

10 + 11

3748 FIDE Album (1983-1985) 1992
273 Mat Plus 1994

SOLUTION

  • SOUND
  • Sets
    • 1...Ba5
      • 2.Sxc5#
    • 1...Bc7
      • 2.Sxc5#
    • 1...Bd8
      • 2.Sxc5#
    • 1...Se1
      • 2.Sf4#
    • 1...Sf4+
      • 2.Sxf4#
    • 1...Sxh4
      • 2.Sf4#
    • 1...e3
      • 2.Qf5#
  • Tries
    • 1.Qf3+?
      • 1...Se3
        • 2.Qe2#
        • 2.Qxe3#
      • 1...e3
        • 2.Qe2#
        • 2.Qf5#
      • 1...exf3!
    • 1.Qf4?
      • 1...Sxf4+
        • 2.Sxf4#
      • 1...Sxh4
        • 2.Qe3#
      • 1...cxb2
        • 2.Qd2#
      • 1...Sc1
        • 2.Rxc3#
      • 1...Ba5
        • 2.Sxc5#
      • 1...Bc7
        • 2.Sxc5#
      • 1...Bd8
        • 2.Sxc5#
      • 1...Sb4
        • 2.Rxc3#
      • 1...Se1
        • 2.Qe3#
      • 1...Se3
        • 2.Qxe3#
      • 1...e3
        • 2.Qf5#
      • 1...d4
        • 2.Qxe4#
      • 1...c4!
  • Keys
    • 1.Qxc5!
      • 1...Sf4+
        • 2.Sxf4#
      • 1...Bxc5
        • 2.Sxc5#
      • 1...Sxh4
        • 2.Sf4#
      • 1...cxb2
        • 2.Be2#
      • 1...Sc1
        • 2.Qxc3#
      • 1...Ba5
        • 2.Qd4#
      • 1...Bc7
        • 2.Qd4#
      • 1...Bd8
        • 2.Qd4#
      • 1...Sb4
        • 2.Qxc3#
      • 1...Se1
        • 2.Sf4#
      • 1...Se3
        • 2.Sf4#
      • 1...e3
        • 2.Rd4#
      • 1...d4
        • 2.Qc4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 4
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • B(i);N_GUARD::S(I),XP(g)
    • S(c);N_GUARD::S(I)
    • S(c);CHECK,N_GUARD::S(I),XS(c)
    • S(c);N_GUARD,XR(G)::S(I)
    • P(f);OGATEB::QAB(J)
  • Tries
    • Try
      • Q(J);CHECK
      • Refutation
        • P(f);XQ(J)
    • Try
      • Q(J);
      • Vars
        • S(c);CHECK,XQ(J)::S(I),XS(c)
        • S(c);N_GUARD,XR(G)::QAR1(J)
        • P(d);N_GUARD,XP(B)::QAR1(J)
        • S(b);N_GUARD::R1(C),XP(d)
        • B(i);N_GUARD::S(I),XP(g)
        • S(c);N_GUARD::QAR1(J)
        • S(c);N_GUARD::QAR1(J),XS(c)
        • P(f);OGATEB::QAB(J)
        • P(h);N_GUARD::QAB1(J),XP(f)
      • Refutation
        • P(g);
  • Actual
    • Q(J);XP(g)
    • Vars
      • S(c);CHECK,N_GUARD::S(I),XS(c)
      • B(i);XQ(J)::S(I),XB(i)
      • S(c);N_GUARD,XR(G)::S(I)
      • P(d);XP(B)::B(A)
      • S(b);N_GUARD::QAR1(J),XP(d)
      • B(i);N_GUARD::QAR1(J)
      • S(c);N_GUARD::S(I)
      • P(f);OGATE::R1(G)
      • P(h);N_GUARD::QAB1(J)
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