MESON Chess Problem Database

Problem Display
PID: 59585 (3RRQ2/2p1r1p1/4p2b/2P1k1B1/4p3/K2np3/2N1Nn2/3b4 w - - 0 1)

Mosiashvili, Givi

6th HM., The Problemist, 2005/II

3RRQ2/2p1r1p1/4p2b/2P1k1B1/4p3/K2np3/2N1Nn2/3b4

#2

8 + 11

56 The Problemist 2007

SOLUTION

  • SOUND
  • Sets
    • 1...Sc1
      • 2.Qf4#
    • 1...Se1
      • 2.Qf4#
    • 1...Sb2
      • 2.Qf4#
    • 1...Sb4
      • 2.Qf4#
    • 1...Sf4
      • 2.Qxf4#
    • 1...Sxc5
      • 2.Qf4#
    • 1...g6
      • 2.Qf6#
  • Tries
    • 1.Sxe3?
      • threat
        • 2.Sc4#
      • 1...Rd7
        • 2.Qf5#
      • 1...Rf7
        • 2.Rd5#
      • 1...Sb2
        • 2.Qf4#
      • 1...Bb3!
    • 1.Scd4?
      • threat
        • 2.Sc6#
      • 1...Rd7
        • 2.Qf5#
      • 1...Rf7
        • 2.Rxe6#
      • 1...Sb4
        • 2.Qf4#
      • 1...c6
        • 2.Sxc6#
      • 1...Ba4!
    • 1.Sf4?
      • threat
        • 2.Sg6#
      • 1...Sxf4
        • 2.Qxf4#
      • 1...Rf7
        • 2.Rd5#
      • 1...Rd7
        • 2.Rxe6#
      • 1...g6
        • 2.Sxg6#
        • 2.Qf6#
      • 1...Bh5!
    • 1.Rd5+?
      • 1...exd5
        • 2.Rxe7#
      • 1...Kxd5!
    • 1.Qf5+?
      • 1...exf5
        • 2.Rxe7#
      • 1...Kxf5!
  • Keys
    • 1.Sed4!
      • threat
        • 2.Sc6#
      • 1...Rd7
        • 2.Qf5#
      • 1...Rf7
        • 2.Rxe6#
      • 1...Sb4
        • 2.Qf4#
      • 1...c6
        • 2.Sxc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 6
  • Sets
    • S(c);N_GUARD::QAB1(H)
    • S(c);N_GUARD::QAB1(H),XS(c)
    • S(c);N_GUARD,XP(D)::QAB1(H)
    • P(k);N_GUARD::QAB1(H)
  • Tries
    • Try
      • S(A);XP(d)
      • Threat
        • S(A)
      • Vars
        • R(j);P_SPINP(g)::QAR1(H)
        • R(j);P_SPINP(g)::R1(F)
        • S(c);N_GUARD::QAB1(H)
      • Refutation
        • B(a);
    • Try
      • S(A);
      • Threat
        • S(A)
      • Vars
        • R(j);P_SPINP(g)::QAR1(H)
        • R(j);OGATE,P_SPINP(g)::R1(G),XP(g)
        • S(c);N_GUARD::QAB1(H)
        • P(i);::S(A),XP(i)
      • Refutation
        • B(a);
    • Try
      • S(B);
      • Threat
        • S(B)
      • Vars
        • S(c);OGATE,XS(B)::QAB1(H),XS(c)
        • R(j);P_SPINP(g)::R1(F)
        • R(j);OGATE,P_SPINP(g)::R1(G),XP(g)
      • Refutation
        • B(a);
    • Try
      • R(F);CHECK
      • Vars
        • P(g);P_SPINR(j),SBLOCK,XR(F)::R(G),XR(j)
      • Refutation
        • K(f);P-FLIGHT,XR(F)
    • Try
      • Q(H);CHECK
      • Vars
        • P(g);P_SPINR(j),SBLOCK,XQ(H)::R(G),XR(j)
      • Refutation
        • K(f);P-FLIGHT,XQ(H)
  • Actual
    • S(B);
    • Threat
      • S(B)
    • Vars
      • R(j);P_SPINP(g)::QAR1(H)
      • R(j);OGATE,P_SPINP(g)::R1(G),XP(g)
      • S(c);N_GUARD::QAB1(H)
      • P(i);::S(B),XP(i)
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