MESON Chess Problem Database

Problem Display
PID: 34852 (7K/N1p5/3Bbp2/1Q3N1B/1p1pkp2/4q3/2P5/4R1b1 w - - 0 1)

Reitman, Mark

2nd HM., Rudenko-50 JT, 1988

7K/N1p5/3Bbp2/1Q3N1B/1p1pkp2/4q3/2P5/4R1b1

#2

8 + 9

3657 Izbrannie Shakhmatnie Zadachi Marka Reitmana 2000

SOLUTION

  • SOUND
  • Sets
    • 1...Bd5
      • 2.Qd3#
    • 1...Bxf5
      • 2.Qc6#
    • 1...d3
      • 2.Qxd3#
      • 2.cxd3#
    • 1...f3
      • 2.Sg3#
    • 1...cxd6
      • 2.Sxd6#
  • Tries
    • 1.Se7?
      • threat
        • 2.Qd3#
      • 1...Bg4
        • 2.Qc6#
        • 2.Qd5#
      • 1...d3
        • 2.Qxd3#
      • 1...Bc4
        • 2.Qf5#
      • 1...cxd6!
    • 1.Rxe3+?
      • 1...dxe3
        • 2.Qd3#
      • 1...fxe3
        • 2.Sg3#
      • 1...Bxe3!
  • Keys
    • 1.Qe8!
      • threat
        • 2.Qxe6#
      • 1...Kd5
        • 2.Qc6#
      • 1...Kxf5
        • 2.Qg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 4
  • Sets
    • B(g);SBLOCK::QAB1(C)
    • B(g);N_GUARD,SBLOCK,XS(D)::QAB(C)
    • P(f);N_GUARD::S(D)
    • P(i);XB(F)::S(D),XP(i)
  • Tries
    • Try
      • S(D);
      • Threat
        • QAB1(C)
      • Vars
        • P(d);::QAB1(C),XP(d)
        • B(g);N_GUARD::QAB1(C)
      • Refutation
        • P(i);XB(F)
    • Try
      • R(A);CHECK,XQ(b)
      • Vars
        • P(d);XR(A)::QAB1(C)
        • P(f);SBLOCK,XR(A)::S(D)
      • Refutation
        • B(a);XR(A)
  • Actual
    • Q(C);P_PINB(g)
    • Threat
      • QAR2(C),XB(g)
    • Vars
      • K(e);N_SPINB(g),N_SPINQ(b),S_FLIGHT::QAB1(C)
      • K(e);N_SPINB(g),N_SPINQ(b),OGATEB,S_FLIGHT,XS(D)::QAB1(C)
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