MESON Chess Problem Database

Problem Display
PID: 6976 (1B5b/3K4/3NB3/8/1npkpQ2/1p1qR3/4Rn2/4N3 w - - 0 1)

Novejarque Iranzo, Francisco

1st Prize, El Ajedrez Espanol, 1935

1B5b/3K4/3NB3/8/1npkpQ2/1p1qR3/4Rn2/4N3

#2

8 + 8

3098 FIDE Album (1914-1944) (I) 1971

SOLUTION

  • SOUND
  • Sets
    • 1...Kc5
      • 2.Ba7#
    • 1...Qb1
      • 2.Ba7#
    • 1...Qc2
      • 2.Ba7#
    • 1...Qxe2
      • 2.Ba7#
    • 1...Qd1
      • 2.Ba7#
    • 1...Qd2
      • 2.Ba7#
    • 1...Qc3
      • 2.Ba7#
    • 1...c3
      • 2.Ba7#
  • Tries
    • 1.Sf3+?
      • 1...Kc5
        • 2.Ba7#
      • 1...Kc3!
    • 1.Sxe4?
      • threat
        • 2.Sf3#
        • 2.Ba7#
      • 1...Qxe2
        • 2.Ba7#
      • 1...Qxe4
        • 2.Ba7#
      • 1...Qxe3
        • 2.Ba7#
        • 2.Qxe3#
      • 1...Sd5
        • 2.Sf3#
      • 1...Sa6
        • 2.Sf3#
        • 2.Qd6#
      • 1...Sc6
        • 2.Sf3#
        • 2.Qd6#
      • 1...Sxe4!
    • 1.Qf6+?
      • 1...Kc5
        • 2.Ba7#
      • 1...Bxf6!
  • Keys
    • 1.Qf8!
      • threat
        • 2.Sb5#
      • 1...Kc3
        • 2.Qxh8#
      • 1...Kc5
        • 2.Ba7#
      • 1...Ke5
        • 2.Sf3#
      • 1...Qxe2
        • 2.Sf5#
      • 1...c3
        • 2.Sf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 2
    • REMOVED MATES = 5
  • Sets
    • K(f);N_SPINP(g),P_PINS(E),S_FLIGHT::B(H)
    • Q(c);::B(H)
    • Q(c);XR(B)::B(H)
    • P(e);SBLOCK::B(H)
  • Tries
    • Try
      • S(A);CHECK
      • Vars
        • K(f);N_SPINP(g),P_PINS(E),S_FLIGHT::B(H)
      • Refutation
        • K(f);N_SPINP(g),P_PINS(E),P_SPINQ(c),S_FLIGHT
    • Try
      • S(E);XP(g)
      • Threat
        • DUALS(2)
      • Vars
        • Q(c);XR(B)::B(H)
        • Q(c);P_SPINQ(c),XS(E)::B(H)
        • S(d);::S(A)
      • Refutation
        • S(a);P_SPINS(a),XS(E)
    • Try
      • Q(D);CHECK,N_PINP(g)
      • Vars
        • K(f);P_PINS(E),S_FLIGHT::B(H)
      • Refutation
        • B(h);XQ(D)
  • Actual
    • Q(D);N_PINP(g)
    • Threat
      • S(E)
    • Vars
      • K(f);P_PINS(E),P_SPINQ(c),S_FLIGHT::QAB(D),XB(h)
      • K(f);P_PINS(E),S_FLIGHT::B(H)
      • K(f);P_PINS(E),P_SPINP(g),S_FLIGHT::S(A)
      • Q(c);XR(B)::S(E)
      • P(e);SBLOCK::S(E)
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