MESON Chess Problem Database

Problem Display
PID: 275828 (2N2K2/2QP1B1p/2pp4/6p1/Rqr1k1P1/1n6/4PP1B/3R3N w - - 0 1)

Tanase, Gheorghe

Buletin Problemistic, 1999

2N2K2/2QP1B1p/2pp4/6p1/Rqr1k1P1/1n6/4PP1B/3R3N

#2

12 + 8

15601 Albrecht-Leiss-Degener Collection 2024

SOLUTION

  • SOUND
  • Sets
    • 1...Qe1
      • 2.Sxd6#
    • 1...Qc3
      • 2.Sxd6#
    • 1...Qa5
      • 2.Sxd6#
    • 1...Qxa4
      • 2.Sxd6#
    • 1...Qb5
      • 2.Sxd6#
    • 1...Qb6
      • 2.Sxd6#
    • 1...Qb7
      • 2.Sxd6#
    • 1...Rc1
      • 2.Sxd6#
    • 1...Rc2
      • 2.Sxd6#
    • 1...Rc3
      • 2.Sxd6#
    • 1...Rc5
      • 2.Sxd6#
    • 1...Sc5
      • 2.Sxd6#
    • 1...c5
      • 2.Sxd6#
      • 2.Bd5#
    • 1...h5
      • 2.Bg6#
    • 1...h6
      • 2.Bg6#
  • Tries
    • 1.Rxb4?
      • threat
        • 2.Sxd6#
      • 1...d5
        • 2.Sg3#
        • 2.Sd6#
        • 2.Qe5#
      • 1...Sd2!
    • 1.Qxc6+?
      • 1...Rxc6
        • 2.Bd5#
      • 1...d5+!
  • Keys
    • 1.Qxd6!
      • threat
        • 2.Sg3#
      • 1...Qxd6+
        • 2.Sxd6#
      • 1...Qc3
        • 2.Qxc6#
      • 1...Rc3
        • 2.Qe7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 1
    • REMOVED MATES = 12
  • Sets
    • Q(b);N_GUARD,P_SPINR(c)::S(K),XP(g)
    • Q(b);N_GUARD,XR(F)::S(K),XP(g)
    • R(c);P_SPINQ(b)::S(K),XP(g)
    • S(a);S_CUTQ(b)::S(K),XP(g)
    • P(h);N_GUARD::B(J)
  • Tries
    • Try
      • R(F);P_PINR(c),XQ(b)
      • Threat
        • S(K),XP(g)
      • Refutation
        • S(a);
    • Try
      • Q(H);CHECK,XP(f)
      • Vars
        • R(c);P_SPINQ(b),XQ(H)::B(J)
      • Refutation
        • P(g);CHECK,P_SPINP(g)
  • Actual
    • Q(H);P_SPINQ(H),XP(g)
    • Threat
      • S(B)
    • Vars
      • Q(b);CHECK,P_SPINR(c),XQ(H)::S(K),XQ(b)
      • Q(b);N_PINQ(H),P_SPINR(c)::QAB(H),XP(f)
      • R(c);P_SPINQ(b)::QAR(H)
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