MESON Chess Problem Database

Problem Display
PID: 113048 (1b6/1bn5/4p3/2r3P1/qn3kPK/2p2Pp1/2pNQ3/5R2 w - - 0 1)

Adabashev, Mark Ivanovich

Sahist, 1937

1b6/1bn5/4p3/2r3P1/qn3kPK/2p2Pp1/2pNQ3/5R2

#2

7 + 11

6490 yacpdb 2009
15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Rd5
      • 2.Qe4#
    • 1...Rc6
      • 2.Qe4#
    • 1...Bxf3
      • 2.Rxf3#
      • 2.Qe4#
    • 1...Be4
      • 2.Qxe4#
    • 1...Ba6
      • 2.Qe4#
    • 1...Bc8
      • 2.Qe4#
    • 1...Sd5
      • 2.Qe4#
  • Keys
    • 1.Re1!
      • threat
        • 2.Qe3#
      • 1...Be4
        • 2.Qxe4#
      • 1...Re5
        • 2.Qxe5#
      • 1...Sbd5
        • 2.Qe5#
      • 1...Scd5
        • 2.Qe4#

This is a version of 11271

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 4
  • Sets
    • R(g);S_CUTB(i)::QAR1(C)
    • B(i);N_GUARD::QAR1(C),XB(i)
    • B(i);N_GUARD::QAR1(C)
    • S(j);S_CUTB(i)::QAR1(C)
  • Actual
    • R(A);
    • Threat
      • QAB1(C)
    • Vars
      • B(i);N_GUARD::QAR1(C),XB(i)
      • R(g);N_GUARD::QAB1(C),XR(g)
      • S(e);S_CUTR(g)::QAB1(C)
      • S(j);S_CUTB(i)::QAR1(C)
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