MESON Chess Problem Database

Problem Display
PID: 99226 (3Q4/2P5/p2Nppb1/3pkp2/rR2p2P/r2p1R1K/B1p2N2/q3B3 w - - 0 1)

Kiss, Janos

Sakkelet, 1991

3Q4/2P5/p2Nppb1/3pkp2/rR2p2P/r2p1R1K/B1p2N2/q3B3

#2

10 + 13

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bf7
      • 2.Sxf7#
    • 1...Bh7
      • 2.Sf7#
    • 1...e3
      • 2.Rxe3#
    • 1...d4
      • 2.Sc4#
    • 1...f4
      • 2.Sg4#
  • Tries
    • 1.Sxd3+?
      • 1...exd3
        • 2.Re3#
      • 1...Rxd3!
    • 1.Sdxe4?
      • threat
        • 2.Qxf6#
        • 2.Qd6#
      • 1...Rxb4
        • 2.Qxf6#
      • 1...fxe4
        • 2.Sg4#
      • 1...f4
        • 2.Qxf6#
      • 1...dxe4!
    • 1.Se8?
      • threat
        • 2.Qxf6#
        • 2.Qd6#
      • 1...Rxb4
        • 2.Qxf6#
      • 1...f4
        • 2.Qxf6#
      • 1...Bxe8!
  • Keys
    • 1.Sfxe4!
      • threat
        • 2.Qxf6#
      • 1...dxe4
        • 2.Sc4#
      • 1...fxe4
        • 2.Bg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 5
  • Sets
    • B(m);N_GUARD::S(H),XB(m)
    • B(m);N_GUARD::S(H)
    • P(f);OGATEB::R(D),XP(f)
    • P(g);N_GUARD::S(H)
    • P(i);N_GUARD::S(C)
  • Tries
    • Try
      • S(C);CHECK,XP(d)
      • Vars
        • P(f);S_CUTR(c),XS(C)::R(D)
      • Refutation
        • R(c);P_PINR(D),XS(C)
    • Try
      • S(H);XP(f)
      • Threat
        • DUALS(2)
      • Vars
        • R(e);XR(F)::QAB1(J),XP(l)
        • P(i);N_GUARD,XS(H)::S(C)
        • P(i);::QAB1(J),XP(l)
      • Refutation
        • P(g);XS(H)
    • Try
      • S(H);
      • Threat
        • DUALS(2)
      • Vars
        • R(e);XR(F)::QAB1(J),XP(l)
        • P(i);::QAB1(J),XP(l)
      • Refutation
        • B(m);XS(H)
  • Actual
    • S(C);XP(f)
    • Threat
      • QAB1(J),XP(l)
    • Vars
      • P(g);N_GUARD,SBLOCK,XS(C)::S(H)
      • P(i);N_GUARD,XS(C)::B(A)
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