MESON Chess Problem Database

Problem Display
PID: 241202 (6B1/8/1Q2NR1R/1Kp1kp2/2p1p1pN/2prn1r1/8/2B5 w - - 0 1)

Labai, Zoltan

Sachsische Zeitung, 2009

6B1/8/1Q2NR1R/1Kp1kp2/2p1p1pN/2prn1r1/8/2B5

#2

8 + 10

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.Qxc5#
    • 1...Sd1
      • 2.Rxf5#
    • 1...Sf1
      • 2.Rxf5#
    • 1...Sc2
      • 2.Rxf5#
    • 1...Sg2
      • 2.Rxf5#
    • 1...Sd5
      • 2.Rxf5#
  • Tries
    • 1.Sg6+?
      • 1...Kd5
        • 2.Qxc5#
        • 2.Qd8#
        • 2.Qc6#
      • 1...Kxf6!
    • 1.Bxe3?
      • threat
        • 2.Rxf5#
      • 1...Kd5
        • 2.Rxf5#
        • 2.Qxc5#
      • 1...f4
        • 2.Rf5#
      • 1...Rf3!
    • 1.Qxc5+?
      • 1...Sd5
        • 2.Bf4#
        • 2.Rxf5#
      • 1...Rd5!
    • 1.Qc7+?
      • 1...Kd5
        • 2.Qxc5#
      • 1...Rd6!
  • Keys
    • 1.Sd4!
      • threat
        • 2.Qd6#
      • 1...Kxd4
        • 2.Qxc5#
      • 1...Kf4
        • 2.Rxf5#
      • 1...Rxd4
        • 2.Sg6#
      • 1...Sd5
        • 2.Sc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 5
  • Sets
    • K(i);P-FLIGHT::QAR1(D),XP(h)
    • S(c);N_GUARD::R1(F),XP(j)
    • S(c);N_GUARD,SBLOCK::R1(F),XP(j)
  • Tries
    • Try
      • S(B);CHECK
      • Refutation
        • K(i);S_FLIGHT,XR(F)
    • Try
      • B(A);XS(c)
      • Threat
        • R1(F),XP(j)
      • Vars
        • P(j);::R1(F)
      • Refutation
        • R(d);
    • Try
      • Q(D);CHECK,XP(h)
      • Refutation
        • R(b);P_PINQ(D),P_SPINR(b)
    • Try
      • Q(D);CHECK
      • Vars
        • K(i);P-FLIGHT::QAR1(D),XP(h)
      • Refutation
        • R(b);P_SPINR(b)
  • Actual
    • S(E);
    • Threat
      • QAB1(D)
    • Vars
      • K(i);P_SPINP(h),S_FLIGHT,XS(E)::QAB1(D),XP(h)
      • K(i);P_SPINP(j),P_SPINS(c),S_FLIGHT::R1(F),XP(j)
      • R(b);SBLOCK,XS(E)::S(B)
      • S(c);::S(E)
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