MESON Chess Problem Database

Problem Display
PID: 35063 (8/qpb4K/4R3/1Qr1pp2/1pPPkPB1/1N1N3R/8/8 w - - 0 1)

Reitman, Mark

HM., Vecherni Petersburg, 1993

8/qpb4K/4R3/1Qr1pp2/1pPPkPB1/1N1N3R/8/8

#2

10 + 8

3657 Izbrannie Shakhmatnie Zadachi Marka Reitmana 2000

SOLUTION

  • SOUND
  • Sets
    • 1...Rd5
      • 2.Qxd5#
    • 1...Rc6
      • 2.Qd5#
  • Tries
    • 1.Rf3?
      • threat
        • 2.Sf2#
      • 1...Qa2
        • 2.Sdxc5#
      • 1...fxg4!
    • 1.Qxb7+?
      • 1...Rd5
        • 2.Qxd5#
      • 1...Rc6
        • 2.Qxc6#
      • 1...Qxb7!
  • Keys
    • 1.Rf6!
      • threat
        • 2.Bxf5#
      • 1...exd4
        • 2.Sd2#
      • 1...exf4
        • 2.Sf2#
      • 1...fxg4
        • 2.Sf2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • R(c);OGATE::QAB1(H),XR(c)
    • R(c);OGATE::QAB1(H)
  • Tries
    • Try
      • R(C);
      • Threat
        • S(B)
      • Vars
        • Q(f);N_GUARD::S(B),XR(c)
      • Refutation
        • P(e);XB(G)
    • Try
      • Q(H);CHECK,XP(g)
      • Vars
        • R(c);N_GUARD,P_SPINR(c)::QAB1(H),XR(c)
        • R(c);N_GUARD,P_SPINR(c)::QAB(H),XR(c)
      • Refutation
        • Q(f);XQ(H)
  • Actual
    • R(I);N_PINP(d)
    • Threat
      • B(G),XP(e)
    • Vars
      • P(d);SBLOCK,XP(E)::S(A)
      • P(d);SBLOCK,XP(F)::S(B)
      • P(e);XB(G)::S(B)
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