MESON Chess Problem Database

Problem Display
PID: 99438 (2R3nN/5p2/1P3r2/2p1kp2/4p1PB/2p1PPPn/B7/KQ4N1 w - - 0 1)

Vodopija, Ivan

Magyar Sakkelet, 1993

2R3nN/5p2/1P3r2/2p1kp2/4p1PB/2p1PPPn/B7/KQ4N1

#2

12 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rxb6
      • 2.Sxf7#
    • 1...Rc6
      • 2.Sxf7#
    • 1...Rd6
      • 2.Sxf7#
    • 1...Re6
      • 2.Sxf7#
    • 1...Rg6
      • 2.Sxf7#
    • 1...Rh6
      • 2.Sxf7#
  • Tries
    • 1.Bxf6+?
      • 1...Kd6
        • 2.Qd1#
      • 1...Sxf6
        • 2.Sxf7#
      • 1...Kxf6!
    • 1.Qxe4+?
      • 1...Kd6
        • 2.Rd8#
      • 1...fxe4!
  • Keys
    • 1.Rc6!
      • 1...Rxc6
        • 2.Sxf7#
      • 1...Sxg1
        • 2.f4#
      • 1...exf3
        • 2.Sxf3#
      • 1...fxg4
        • 2.Qxe4#
      • 1...c4
        • 2.Qb5#
      • 1...Rd6
        • 2.Sxf7#
      • 1...Re6
        • 2.Sxf7#
      • 1...Rg6
        • 2.Sxf7#
      • 1...Rh6
        • 2.Sxf7#
      • 1...Sf2
        • 2.f4#
      • 1...Sf4
        • 2.gxf4#
      • 1...Sg5
        • 2.f4#
      • 1...Sh6
        • 2.Bxf6#
      • 1...Se7
        • 2.Bxf6#
      • 1...c2
        • 2.Qb2#
      • 1...f4
        • 2.Qxe4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 1
  • Sets
    • R(g);N_GUARD,XP(J)::S(L),XP(h)
    • R(g);N_GUARD::S(L),XP(h)
  • Tries
    • Try
      • B(I);CHECK,XR(g)
      • Vars
        • K(e);S_FLIGHT::QAR(B)
        • S(i);SBLOCK,XB(I)::S(L),XP(h)
      • Refutation
        • K(e);S_FLIGHT,XB(I)
    • Try
      • Q(B);CHECK,XP(c)
      • Vars
        • K(e);S_FLIGHT::R(K)
      • Refutation
        • P(f);XQ(B)
  • Actual
    • R(K);
    • Vars
      • R(g);N_GUARD,XR(K)::S(L),XP(h)
      • S(b);N_GUARD,XS(C)::P(F)
      • P(c);XP(F)::S(C),XP(c)
      • P(f);N_GUARD,XP(H)::QAR1(B),XP(c)
      • P(d);OGATEB::QAR(B)
      • R(g);N_GUARD::S(L),XP(h)
      • S(b);N_GUARD::P(F)
      • S(b);OGATE::P(G),XS(b)
      • S(i);N_GUARD::B(I),XR(g)
      • P(a);OGATEB::QAB(B)
      • P(f);N_GUARD::QAR1(B),XP(c)
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