MESON Chess Problem Database

Problem Display
PID: 109500 (4R3/2RQ1B2/3p4/2ppp2p/P2k3K/3N2P1/2PP4/8 w - - 0 1)

Taraba, Jozef

1st HM., UV CSTV, 1973

4R3/2RQ1B2/3p4/2ppp2p/P2k3K/3N2P1/2PP4/8

#2

10 + 6

14580 Chess Compositions (Taraba) 2009
6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Sxc5?
      • 1...dxc5
        • 2.Qxd5#
      • 1...e4
        • 2.Sb3#
      • 1...Kc4!
    • 1.Sxe5?
      • 1...dxe5
        • 2.Qxd5#
      • 1...c4
        • 2.Sf3#
      • 1...Ke4!
    • 1.Rxe5?
      • 1...Kc4
        • 2.Re4#
      • 1...dxe5
        • 2.Qxd5#
      • 1...c4!
    • 1.Qb5?
      • 1...c4
        • 2.Qxd5#
      • 1...e4
        • 2.c3#
      • 1...Ke4!
    • 1.Qc6?
      • threat
        • 2.Qxd5#
      • 1...Kc4
        • 2.Qxd5#
      • 1...Ke4!
    • 1.Qe6?
      • threat
        • 2.Qxd5#
      • 1...Kc4
        • 2.Qxd5#
      • 1...Ke4!
    • 1.Qxd6?
      • threat
        • 2.Qxd5#
      • 1...Kc4
        • 2.Qxc5#
        • 2.Qxd5#
      • 1...Ke4!
  • Keys
    • 1.Qf5!
      • 1...Kc4
        • 2.Qe4#
      • 1...c4
        • 2.c3#
      • 1...e4
        • 2.Qxd5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);XP(b)
      • Vars
        • P(f);OGATE,P_SPINP(c),XS(C)::QAR1(H),XP(c)
        • P(d);::S(C)
      • Refutation
        • K(a);P-FLIGHT,P_SPINP(c)
    • Try
      • S(C);XP(d)
      • Vars
        • P(f);OGATE,P_SPINP(c),XS(C)::QAR1(H),XP(c)
        • P(b);::S(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(J);XP(d)
      • Vars
        • K(a);P-FLIGHT,P_SPINP(b)::R(J)
        • P(f);OGATE,P_SPINP(c),XR(J)::QAR1(H),XP(c)
      • Refutation
        • P(b);
    • Try
      • Q(H);
      • Vars
        • P(b);OGATE::QAR1(H),XP(c)
        • P(d);::P(A)
      • Refutation
        • K(a);P-FLIGHT,P_SPINP(d)
    • Try
      • Q(H);
      • Threat
        • QAR1(H),XP(c)
      • Vars
        • K(a);P-FLIGHT,P_SPINP(b)::QAB1(H),XP(c)
      • Refutation
        • K(a);P-FLIGHT,P_SPINP(c)
    • Try
      • Q(H);
      • Threat
        • QAR1(H),XP(c)
      • Vars
        • K(a);P-FLIGHT,P_SPINP(b)::QAB1(H),XP(c)
      • Refutation
        • K(a);P-FLIGHT,P_SPINP(d)
    • Try
      • Q(H);P_PINP(c),XP(f)
      • Threat
        • QAR1(H),XP(c)
      • Refutation
        • K(a);N_SPINP(c),P-FLIGHT,P_SPINP(d)
  • Actual
    • Q(H);
    • Vars
      • K(a);P-FLIGHT,P_SPINP(b)::QAR2(H)
      • P(b);::P(A)
      • P(d);OGATE::QAR1(H),XP(c)
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