MESON Chess Problem Database

Problem Display
PID: 173617 (8/4Q1Kp/8/4PpR1/3p1kN1/r6r/3N2PP/2Bb1B2 w - - 0 1)

Boros, Sandor

Wiener Schachzeitung, 1937

8/4Q1Kp/8/4PpR1/3p1kN1/r6r/3N2PP/2Bb1B2

#2

10 + 7

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Sb3+?
      • 1...Ke4
        • 2.Sf6#
        • 2.Qb7#
      • 1...Re3!
    • 1.Sf3+?
      • 1...Ke4
        • 2.Sf6#
        • 2.Qb7#
      • 1...Re3!
    • 1.Rxf5+?
      • 1...Kxg4
        • 2.Qg5#
      • 1...Kxf5!
  • Keys
    • 1.Sf6!
      • threat
        • 2.Sd5#
      • 1...Ke3
        • 2.Sde4#
      • 1...Kxg5
        • 2.Sf3#
      • 1...Ra5
        • 2.Sf3#
      • 1...Bb3
        • 2.Sf3#
      • 1...Bf3
        • 2.Sb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);CHECK
      • Refutation
        • R(c);P_SPINR(c)
    • Try
      • S(C);CHECK
      • Refutation
        • R(b);P_SPINR(b)
    • Try
      • R(H);CHECK,XP(f)
      • Vars
        • K(e);P-FLIGHT,XS(F)::QAR1(I)
      • Refutation
        • K(e);P-FLIGHT,XR(H)
  • Actual
    • S(F);
    • Threat
      • S(F)
    • Vars
      • K(e);S_FLIGHT::B(A)+S(C)
      • K(e);S_FLIGHT,XR(H)::B(A)+S(C),DCHECK
      • R(b);N_GUARD::B(A)+S(C)
      • B(a);S_CUTR(b)::B(A)+S(C)
      • B(a);S_CUTR(c)::B(A)+S(C)
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