MESON Chess Problem Database

Problem Display
PID: 120744 (1b5B/8/8/4n1R1/3k4/2NB1RK1/N2p1P2/7Q w - - 0 1)

Szoghy, Jozsef

BCF, 1952

1b5B/8/8/4n1R1/3k4/2NB1RK1/N2p1P2/7Q

#2

9 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Rf4+?
      • 1...Kxd3
        • 2.Qe4#
        • 2.Qb1#
      • 1...Kc5!
    • 1.Rff5?
      • threat
        • 2.Qd5#
      • 1...Kxd3
        • 2.Qe4#
      • 1...Kc5!
    • 1.Rf7?
      • threat
        • 2.Qd5#
      • 1...Kxd3
        • 2.Qe4#
      • 1...Kc5!
    • 1.Rf8?
      • threat
        • 2.Qd5#
      • 1...Kxd3
        • 2.Qe4#
      • 1...Kc5!
    • 1.Rxe5?
      • threat
        • 2.Se2#
        • 2.Sb5#
        • 2.Qh4#
      • 1...d1Q
        • 2.Sb5#
        • 2.Qh4#
      • 1...d1B
        • 2.Sb5#
        • 2.Qh4#
      • 1...Bxe5+!
  • Keys
    • 1.Rf6!
      • threat
        • 2.Qd5#
      • 1...Sxd3+
        • 2.Rf4#
      • 1...Sf3+
        • 2.Rd6#
      • 1...Sc4+
        • 2.Rd6#
      • 1...Sg4+
        • 2.Rd6#
      • 1...Sc6+
        • 2.Rd6#
      • 1...Sg6+
        • 2.Rd6#
      • 1...Sd7+
        • 2.Rd6#
      • 1...Sf7+
        • 2.Rd6#
      • 1...Kxd3
        • 2.Qe4#
      • 1...Kc5
        • 2.Qd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(F);CHECK
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(F);
      • Threat
        • QAR1(A)
      • Vars
        • K(b);N_SPINS(c),P-FLIGHT,XB(E)::QAB1(A)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(F);
      • Threat
        • QAR1(A)
      • Vars
        • K(b);N_SPINS(c),P-FLIGHT,XB(E)::QAB1(A)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(F);
      • Threat
        • QAR1(A)
      • Vars
        • K(b);N_SPINS(c),P-FLIGHT,XB(E)::QAB1(A)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(H);P_SPINR(H),XS(c)
      • Threat
        • DUALS(3)
      • Refutation
        • B(d);CHECK,P_SPINB(d),XR(H)
  • Actual
    • R(F);N_PINS(c)
    • Threat
      • QAR1(A)
    • Vars
      • S(c);CHECK,SBLOCK,XB(E)::B(I)+R(F),DCHECK
      • S(c);CHECK::B(I)+R(F),DCHECK
      • K(b);P-FLIGHT,XB(E)::QAB1(A)
      • K(b);P_SPINS(c),S_FLIGHT::QAR1(A)
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