MESON Chess Problem Database

Problem Display
PID: 239972 (8/8/2PR1N2/2PbkNKp/3p3P/2p3p1/pQPP2r1/8 w - - 0 1)

Labai, Zoltan

Sinfonie Scacchistiche, 2015

8/8/2PR1N2/2PbkNKp/3p3P/2p3p1/pQPP2r1/8

#2

10 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Be4
      • 2.Sd7#
    • 1...cxd2
      • 2.Qxd4#
    • 1...d3
      • 2.Qxc3#
  • Tries
    • 1.Se7?
      • threat
        • 2.Sg6#
      • 1...d3
        • 2.Qxc3#
      • 1...Be4
        • 2.Sd7#
      • 1...Bf7!
    • 1.Re6+?
      • 1...Bxe6
        • 2.Qb8#
      • 1...Kxe6!
    • 1.dxc3?
      • threat
        • 2.cxd4#
      • 1...dxc3
        • 2.Qxc3#
      • 1...d3
        • 2.c4#
      • 1...Rd2!
  • Keys
    • 1.Sxd4!
      • threat
        • 2.Rxd5#
      • 1...Kxd4
        • 2.Qxc3#
      • 1...Bxc6
        • 2.Sxc6#
      • 1...Bb3
        • 2.Sf3#
      • 1...Bf3
        • 2.Sxf3#
      • 1...Bc4
        • 2.Sf3#
      • 1...Be4
        • 2.Sd7#
      • 1...Be6
        • 2.Sf3#
      • 1...Bf7
        • 2.Sf3#
      • 1...Bg8
        • 2.Sf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 2
  • Sets
    • B(f);SBLOCK::S(J)
    • P(c);OGATE,P_SPINP(e),XP(C)::QAB1(A),XP(e)
    • P(e);OGATEB,P_SPINP(c)::QAB(A),XP(c)
  • Tries
    • Try
      • S(F);
      • Threat
        • S(F)
      • Vars
        • P(e);OGATEB,P_SPINP(c)::QAB(A),XP(c)
        • B(f);SBLOCK::S(J)
      • Refutation
        • B(f);
    • Try
      • R(I);CHECK
      • Vars
        • B(f);SBLOCK,XR(I)::QAB(A)
      • Refutation
        • K(g);P-FLIGHT,XR(I)
    • Try
      • P(C);XP(c)
      • Threat
        • P(C),XP(e)
      • Vars
        • P(e);OGATE,P_SPINP(e),XP(C)::QAB(A),XP(e)
        • P(e);::QAB(A)+P(C)
      • Refutation
        • R(b);
  • Actual
    • S(F);XP(e)
    • Threat
      • R1(I),XB(f)
    • Vars
      • K(g);OGATEB,P_SPINB(f),P_SPINP(c),S_FLIGHT,XS(F)::QAB1(A),XP(c)
      • B(f);XP(H)::S(F),XB(f)
      • B(f);N_GUARD::S(F)
      • B(f);N_GUARD::S(F),XB(f)
      • B(f);SBLOCK::S(J)
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