MESON Chess Problem Database

Problem Display
PID: 276803 (2rb4/3R1p2/b1nQp2K/4N1n1/3Bk1pN/3p2P1/1q3p2/2r2B2 w - - 0 1)

Belchikov, Nikolai Ivanovich

Rezinkin, Valery Ivanovich

2nd HM., Pat a Mat, 2007

2rb4/3R1p2/b1nQp2K/4N1n1/3Bk1pN/3p2P1/1q3p2/2r2B2

#2

8 + 13

15601 Albrecht-Leiss-Degener Collection 2024

SOLUTION

  • SOUND
  • Sets
    • 1...Rc4
      • 2.Bxd3#
    • 1...Bb7
      • 2.Bxd3#
    • 1...Sh3
      • 2.Bg2#
    • 1...Sh7
      • 2.Bg2#
    • 1...Sxe5
      • 2.Qxe5#
  • Tries
    • 1.Sef3?
      • threat
        • 2.Qf4#
      • 1...Qd2
        • 2.Sxd2#
      • 1...Qb8
        • 2.Sd2#
      • 1...Bc7
        • 2.Sxg5#
      • 1...Se5
        • 2.Qxe5#
      • 1...e5
        • 2.Qd5#
      • 1...Sh3!
    • 1.Sxg4?
      • threat
        • 2.Qf4#
      • 1...Qb8
        • 2.Sxf2#
      • 1...Bc7
        • 2.Sf6#
      • 1...Sh3
        • 2.Bg2#
      • 1...Se5
        • 2.Qxe5#
      • 1...e5
        • 2.Qd5#
      • 1...Qd2!
  • Keys
    • 1.Sc4!
      • threat
        • 2.Qf4#
      • 1...Qd2
        • 2.Sxd2#
      • 1...Qb8
        • 2.Sd2#
      • 1...Bc7
        • 2.Qxc6#
      • 1...Sh3
        • 2.Bg2#
      • 1...Se5
        • 2.Qxe5#
      • 1...e5
        • 2.Qd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 3
  • Sets
    • R(a);S_CUTB(h)::B(A),XP(d)
    • B(h);N_GUARD::B(A),XP(d)
    • S(g);N_GUARD::B(A)
    • S(i);OGATE,XS(E)::QAR1(F),XS(i)
  • Tries
    • Try
      • S(E);
      • Threat
        • QAR1(F)
      • Vars
        • Q(b);N_GUARD::S(E),XQ(b)
        • Q(b);N_GUARD::S(E)
        • B(m);N_GUARD::S(E),XS(g)
        • S(i);N_GUARD::QAR1(F),XS(i)
        • P(j);N_GUARD::QAB1(F)
      • Refutation
        • S(g);
    • Try
      • S(E);XP(f)
      • Threat
        • QAR1(F)
      • Vars
        • Q(b);N_GUARD::S(E),XP(c)
        • B(m);N_GUARD::S(E)
        • S(g);N_GUARD::B(A)
        • S(i);N_GUARD::QAR1(F),XS(i)
        • P(j);N_GUARD::QAB1(F)
      • Refutation
        • Q(b);
  • Actual
    • S(E);
    • Threat
      • QAR1(F)
    • Vars
      • Q(b);N_GUARD::S(E),XQ(b)
      • Q(b);N_GUARD::S(E)
      • B(m);S_CUTR(l)::QAB(F),XS(i)
      • S(g);N_GUARD::B(A)
      • S(i);N_GUARD::QAR1(F),XS(i)
      • P(j);N_GUARD::QAB1(F)
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