MESON Chess Problem Database

Problem Display
PID: 245782 (6K1/8/B3n1p1/4N3/8/5R2/1ppkN1rQ/1n1rb2R w - - 0 1)

Wrobel, Marian

Shakhmaty v SSSR, 1951

6K1/8/B3n1p1/4N3/8/5R2/1ppkN1rQ/1n1rb2R

#2

7 + 9

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rg1
      • 2.Sc4#
      • 2.Rd3#
    • 1...Rg3
      • 2.Sc4#
    • 1...Rg4
      • 2.Rd3#
    • 1...Rg5
      • 2.Sc4#
      • 2.Rd3#
    • 1...Sd4
      • 2.Qf4#
    • 1...Sf4
      • 2.Qxf4#
    • 1...Sc5
      • 2.Qf4#
    • 1...Sg5
      • 2.Qf4#
    • 1...Sc7
      • 2.Qf4#
    • 1...Sg7
      • 2.Qf4#
    • 1...Sd8
      • 2.Qf4#
    • 1...Sf8
      • 2.Qf4#
  • Keys
    • 1.Sd4!
      • threat
        • 2.Sb3#
      • 1...Kc1
        • 2.Sb3#
      • 1...Sxd4
        • 2.Qf4#
      • 1...c1Q
        • 2.Rd3#
      • 1...c1S
        • 2.Sc4#
      • 1...c1B
        • 2.Sc4#
        • 2.Rd3#
      • 1...c1R
        • 2.Rd3#
      • 1...Rc1
        • 2.Rd3#
      • 1...Sc5
        • 2.Qf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 8
  • Sets
    • R(g);::S(E)
    • R(g);::R1(D)
    • S(h);N_GUARD::QAB(C)
    • S(h);N_GUARD::QAB(C),XS(h)
  • Actual
    • S(B);P_PINR(g)
    • Threat
      • S(B)
    • Vars
      • K(f);N_SPINR(g),S_FLIGHT::S(B)
      • S(h);N_GUARD,XS(B)::QAB(C)
      • P(e);SBLOCK::R1(D)
      • P(e);SBLOCK::S(E)
      • R(b);SBLOCK::R1(D)
      • S(h);N_GUARD::QAB(C)
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