MESON Chess Problem Database

Problem Display
PID: 108631 (qB2R1K1/p2B3P/2P3Pr/1R2N3/5k1N/1ppP4/2P1b2P/r1n1Q2n w - - 0 1)

Kiss, Janos

Szoghy TT, 1951

qB2R1K1/p2B3P/2P3Pr/1R2N3/5k1N/1ppP4/2P1b2P/r1n1Q2n

#2

14 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ke3
      • 2.Sef3#
    • 1...Kg5
      • 2.Sg4#
    • 1...Qxc6
      • 2.Sxc6#
    • 1...Ra2
      • 2.Qxc1#
    • 1...Ra3
      • 2.Qxc1#
    • 1...Ra4
      • 2.Qxc1#
    • 1...Ra5
      • 2.Qxc1#
    • 1...Ra6
      • 2.Qxc1#
    • 1...Rxg6+
      • 2.Sexg6#
    • 1...Bxd3
      • 2.Sxd3#
    • 1...Sxd3
      • 2.Sxd3#
    • 1...Sg3
      • 2.Qxg3#
  • Tries
    • 1.Rb4+?
      • 1...Ke3
        • 2.Sg2#
        • 2.Sf5#
        • 2.Sef3#
        • 2.Sg4#
        • 2.Sf7#
        • 2.Re4#
      • 1...Kg5!
    • 1.Rf8+?
      • 1...Kg5
        • 2.Sef3#
        • 2.Sc4#
        • 2.Sg4#
        • 2.Rf5#
      • 1...Ke3!
  • Keys
    • 1.Qxc3!
      • threat
        • 2.Qd2#
      • 1...Rxg6+
        • 2.Sexg6#
      • 1...Ke3
        • 2.Sg4#
      • 1...Kg5
        • 2.Sef3#
      • 1...Bxd3
        • 2.Sxd3#
      • 1...Sxd3
        • 2.Sxd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 7
  • Sets
    • K(g);P_SPINB(d),S_FLIGHT::R(M)+S(G)
    • K(g);S_FLIGHT::R(F)+S(G)
    • Q(j);XP(H)::B(L)+S(G),XQ(j)
    • R(a);N_GUARD::QAB(A),XS(b)
    • R(h);CHECK,XP(I)::B(L)+S(G),DCHECK,XR(h)
    • B(d);XP(D)::B(L)+S(G),DCHECK,XB(d)
    • S(b);XP(D)::B(L)+S(G),DCHECK,XS(b)
    • S(c);N_GUARD::QAB1(A),XS(c)
  • Tries
    • Try
      • R(F);CHECK
      • Refutation
        • K(g);S_FLIGHT
    • Try
      • R(M);CHECK
      • Refutation
        • K(g);P_SPINB(d),S_FLIGHT
  • Actual
    • Q(A);XP(f)
    • Threat
      • QAB(A)
    • Vars
      • R(h);CHECK,XP(I)::B(L)+S(G),DCHECK,XR(h)
      • K(g);S_FLIGHT::R(M)+S(G),DCHECK
      • K(g);S_FLIGHT::R(F)+S(G),DCHECK
      • B(d);XP(D)::B(L)+S(G),DCHECK,XB(d)
      • S(b);XP(D)::B(L)+S(G),DCHECK,XS(b)
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