MESON Chess Problem Database

Problem Display
PID: 133521 (2r5/2p5/2RN3b/N2kPPn1/3ppQ2/2P1P3/1P6/2K2b2 w - - 0 1)

Paslack, Rainer

Probleemblad, 2008

2r5/2p5/2RN3b/N2kPPn1/3ppQ2/2P1P3/1P6/2K2b2

#2

10 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Bg2
      • 2.c4#
    • 1...Bh3
      • 2.c4#
    • 1...Sf3
      • 2.Qxe4#
    • 1...Sh3
      • 2.Qxe4#
    • 1...Se6
      • 2.Qxe4#
    • 1...Sf7
      • 2.Qxe4#
    • 1...Sh7
      • 2.Qxe4#
    • 1...d3
      • 2.c4#
  • Tries
    • 1.Sxe4?
      • threat
        • 2.Sf6#
        • 2.Rc5#
      • 1...Rf8
        • 2.Rc5#
      • 1...Bg7
        • 2.Rc5#
      • 1...Bf8
        • 2.Sf6#
      • 1...Se6
        • 2.Sf6#
      • 1...Sh7
        • 2.Rc5#
      • 1...Sxe4!
    • 1.cxd4?
      • threat
        • 2.Rc5#
      • 1...Se6
        • 2.Qxe4#
      • 1...cxd6!
    • 1.exd4?
      • threat
        • 2.Rc5#
      • 1...cxd6
        • 2.Rxd6#
      • 1...Se6!
  • Keys
    • 1.b4!
      • threat
        • 2.Rc5#
      • 1...cxd6
        • 2.Rxd6#
      • 1...Se6
        • 2.Qxe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 7
  • Sets
    • B(a);N_GUARD::P(C)
    • S(e);N_GUARD::QAB1(E),XP(c)
    • P(b);S_CUTB(a)::P(C)
  • Tries
    • Try
      • S(J);XP(c)
      • Threat
        • DUALS(2)
      • Vars
        • R(h);::R1(I)
        • B(f);::R1(I)
        • B(f);::S(J)
        • S(e);::S(J)
        • S(e);::R1(I)
      • Refutation
        • S(e);XS(J)
    • Try
      • P(C);XP(b)
      • Threat
        • R1(I)
      • Vars
        • S(e);N_GUARD::QAB1(E),XP(c)
      • Refutation
        • P(g);P_PINR(I),XS(J)
    • Try
      • P(D);XP(b)
      • Threat
        • R1(I)
      • Vars
        • P(g);OGATE,XS(J)::R1(I),XP(g)
      • Refutation
        • S(e);P_PINQ(E)
  • Actual
    • P(B);
    • Threat
      • R1(I)
    • Vars
      • P(g);OGATE,XS(J)::R1(I),XP(g)
      • S(e);N_GUARD::QAB1(E),XP(c)
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