MESON Chess Problem Database

Problem Display
PID: 122003 (8/BKP2N2/1R1prnQ1/1ppkN2R/BP1b4/2p1pP2/8/8 w - - 0 1)

Retter, Yosef

Seider, Shlomo

Mat 20. TT, 1990

8/BKP2N2/1R1prnQ1/1ppkN2R/BP1b4/2p1pP2/8/8

#2

11 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Re7
      • 2.Rxd6#
    • 1...Re8
      • 2.Rxd6#
    • 1...Bxe5
      • 2.Qd3#
    • 1...Se4
      • 2.Qxe4#
      • 2.fxe4#
    • 1...Sg4
      • 2.Qe4#
    • 1...Sxh5
      • 2.Qe4#
    • 1...Sd7
      • 2.Qe4#
    • 1...Sh7
      • 2.Qe4#
    • 1...Se8
      • 2.Qe4#
    • 1...Sg8
      • 2.Qe4#
  • Keys
    • 1.Rxb5!
      • threat
        • 2.Bb3#
      • 1...Bxe5
        • 2.Qd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 8
  • Sets
    • R(h);N_GUARD,P_PINP(J)::R1(F),XP(g)
    • R(h);N_GUARD::R1(F),XP(g)
    • B(c);OGATEB,P_SPINB(c),XS(D)::QAR2(G)
    • S(i);N_GUARD::QAB1(G)
    • S(i);N_GUARD,XR(E)::QAB1(G)
  • Actual
    • R(F);P_PINP(e),XP(d)
    • Threat
      • B(B)
    • Vars
      • B(c);OGATEB,P_SPINB(c),XS(D)::QAR2(G)
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