MESON Chess Problem Database

Problem Display
PID: 279859 (7K/2Q5/3N4/2np3n/pP1k4/2rbR1N1/PP1B4/q3r3 w - - 0 1)

Stolev, Nikola

Nikola Stolev - Selected Compositions (Janevski/Stolev), 2024

7K/2Q5/3N4/2np3n/pP1k4/2rbR1N1/PP1B4/q3r3

#2

9 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Qb1
      • 2.bxc3#
    • 1...Qd1
      • 2.bxc3#
    • 1...Qxa2
      • 2.bxc3#
    • 1...Rxe3
      • 2.Bxc3#
    • 1...Ra3
      • 2.Qxc5#
    • 1...Rb3
      • 2.Qxc5#
    • 1...Rc4
      • 2.Sb5#
    • 1...Bf1
      • 2.Sgf5#
    • 1...Be2
      • 2.Sgf5#
    • 1...Bc4
      • 2.Sgf5#
      • 2.Sdf5#
      • 2.Qxc5#
    • 1...Bb5
      • 2.Sgf5#
    • 1...Bf5
      • 2.Sgxf5#
    • 1...Ba6
      • 2.Sgf5#
    • 1...Sb3
      • 2.Qxc3#
    • 1...Se4
      • 2.Sdf5#
    • 1...Sa6
      • 2.Qxc3#
    • 1...Se6
      • 2.Qxc3#
    • 1...Sb7
      • 2.Qxc3#
    • 1...Sd7
      • 2.Qxc3#
    • 1...Sxg3
      • 2.Qg7#
    • 1...Sf4
      • 2.Qg7#
    • 1...Sg7
      • 2.Qxg7#
  • Tries
    • 1.Sb5+?
      • 1...Kc4
        • 2.Qxc5#
      • 1...Bxb5!
    • 1.Sdf5+?
      • 1...Kc4
        • 2.Qxc5#
      • 1...Bxf5!
    • 1.Qg7+?
      • 1...Sf6
        • 2.Qxf6#
      • 1...Sxg7!
  • Keys
    • 1.Sc4!
      • threat
        • 2.Qxc5#
      • 1...Kxc4
        • 2.Qxc5#
      • 1...Rxc4
        • 2.Qe5#
      • 1...Sb3
        • 2.Bxc3#
      • 1...Se4
        • 2.Sf5#
      • 1...Sa6
        • 2.Bxc3#
      • 1...Se6
        • 2.Bxc3#
      • 1...Sb7
        • 2.Bxc3#
      • 1...Sd7
        • 2.Bxc3#

This is a version of 279860

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 7
    • ADDED MATES = 1
    • REMOVED MATES = 14
  • Sets
    • Q(a);N_GUARD::P(B),XR(c)
    • Q(a);N_GUARD,XP(A)::P(B),XR(c)
    • R(b);SBLOCK,XR(D)::B(C),XR(c)
    • R(c);N_GUARD::QAB1(H),XS(g)
    • R(c);SBLOCK,S_CUTB(d)::S(G)
    • B(d);N_GUARD::S(E)
    • B(d);N_GUARD::S(E),XB(d)
    • S(g);OGATE::QAB1(H),XR(c)
    • S(g);S_CUTB(d)::S(G)
    • S(i);N_GUARD,XS(E)::QAB(H)
    • S(i);N_GUARD::QAB(H)
    • S(i);N_GUARD::QAB(H),XS(i)
  • Tries
    • Try
      • S(G);CHECK
      • Vars
        • K(f);P-FLIGHT,P_SPINS(g)::QAR1(H),XS(g)
      • Refutation
        • B(d);XS(G)
    • Try
      • S(G);CHECK
      • Vars
        • K(f);P-FLIGHT,P_SPINS(g)::QAR1(H),XS(g)
      • Refutation
        • B(d);XS(G)
    • Try
      • Q(H);CHECK
      • Vars
        • S(i);N_GUARD,P_SPINS(i)::QAB(H),XS(i)
      • Refutation
        • S(i);XQ(H)
  • Actual
    • S(G);
    • Threat
      • QAB1(H),XS(g)
    • Vars
      • K(f);P-FLIGHT,P_SPINS(g),XS(G)::QAR1(H),XS(g)
      • R(c);SBLOCK,XS(G)::QAB1(H)
      • S(g);::B(C),XR(c)
      • S(g);S_CUTB(d)::S(E)
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