MESON Chess Problem Database

Problem Display
PID: 124408 (n1B5/1Q3p2/2KP1n1B/pp2P3/2p1k3/q1PN2R1/1r4P1/4r3 w - - 0 1)

Soros, Constantin

La Strategie, 1992

n1B5/1Q3p2/2KP1n1B/pp2P3/2p1k3/q1PN2R1/1r4P1/4r3

#2

10 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Re3#
    • 1...Reb1
      • 2.Re3#
    • 1...Rc1
      • 2.Re3#
    • 1...Rd1
      • 2.Re3#
    • 1...Rf1
      • 2.Re3#
    • 1...Rg1
      • 2.Re3#
    • 1...Rh1
      • 2.Re3#
    • 1...Re3
      • 2.Rxe3#
  • Tries
    • 1.Sf2+?
      • 1...Kxe5
        • 2.Qe7#
      • 1...Rxf2!
    • 1.Sc5+?
      • 1...Kxe5
        • 2.Qe7#
      • 1...Qxc5+!
  • Keys
    • 1.exf6!
      • threat
        • 2.Qe7#
      • 1...Qc5+
        • 2.Kxc5#
      • 1...Qxd6+
        • 2.Kxd6#
      • 1...Qxc3
        • 2.Kc5#
      • 1...Re3
        • 2.Rxe3#
      • 1...Sc7
        • 2.Kxc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 7
  • Sets
    • R(a);N_GUARD::R1(D)
    • R(a);N_GUARD::R1(D),XR(a)
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • K(e);P-FLIGHT,XP(E)::QAR2(I)
      • Refutation
        • R(b);XS(C)
    • Try
      • S(C);CHECK
      • Vars
        • K(e);P-FLIGHT,XP(E)::QAR2(I)
      • Refutation
        • Q(c);CHECK,XS(C)
  • Actual
    • P(E);XS(h)
    • Threat
      • QAR(I)
    • Vars
      • Q(c);CHECK::QAB(I)+K(F),XQ(c)
      • Q(c);CHECK,XP(G)::QAB(I)+K(F),XQ(c)
      • Q(c);XP(B)::QAB(I)+K(F)
      • R(a);N_GUARD::R1(D),XR(a)
      • S(j);::QAB(I)+K(F),XS(j)
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