MESON Chess Problem Database

Problem Display
PID: 258144 (3Q4/3K1P2/1P1P1P2/1R1n4/1P1k1P2/3B1R2/3PP3/1N6 w - - 0 1)

Syzonenko, Viktor N

5th Comm., Astafyeva-30 JT (Kudesnik), 2021

3Q4/3K1P2/1P1P1P2/1R1n4/1P1k1P2/3B1R2/3PP3/1N6

#2

14 + 2

SOLUTION

  • SOUND
  • Sets
    • 1...Sc3
      • 2.dxc3#
    • 1...Se3
      • 2.dxe3#
    • 1...Sxf4
      • 2.Rxf4#
    • 1...Sxb6+
      • 2.Qxb6#
    • 1...Sxf6+
      • 2.Qxf6#
  • Tries
    • 1.Ke6?
      • threat
        • 2.Rxd5#
      • 1...Sxf4+
        • 2.Rxf4#
      • 1...Sc7+
        • 2.dxc7#
      • 1...Sxb6
        • 2.Qxb6#
      • 1...Sxf6
        • 2.Qxf6#
      • 1...Sc3
        • 2.dxc3#
      • 1...Se3
        • 2.dxe3#
      • 1...Se7
        • 2.dxe7#
      • 1...Sxb4!
    • 1.Kc8?
      • 1...Sxb6+
        • 2.Qxb6#
      • 1...Se7+
        • 2.dxe7#
      • 1...Sxf4
        • 2.Rxf4#
      • 1...Sxf6
        • 2.Qxf6#
      • 1...Sc3
        • 2.dxc3#
      • 1...Se3
        • 2.dxe3#
      • 1...Sc7
        • 2.dxc7#
      • 1...Sxb4!
    • 1.Ke8?
      • 1...Sxf6+
        • 2.Qxf6#
      • 1...Sc7+
        • 2.dxc7#
      • 1...Sxf4
        • 2.Rxf4#
      • 1...Sxb6
        • 2.Qxb6#
      • 1...Sc3
        • 2.dxc3#
      • 1...Se3
        • 2.dxe3#
      • 1...Se7
        • 2.dxe7#
      • 1...Sxb4!
    • 1.f5?
      • 1...Sxb6+
        • 2.Qxb6#
      • 1...Sxf6+
        • 2.Qxf6#
      • 1...Sxb4
        • 2.Rf4#
      • 1...Sc3
        • 2.dxc3#
      • 1...Se3
        • 2.Rf4#
        • 2.dxe3#
      • 1...Sf4
        • 2.Rxf4#
      • 1...Sc7
        • 2.Rf4#
      • 1...Se7
        • 2.Rf4#
      • 1...Ke5!
    • 1.b7?
      • 1...Sb6+
        • 2.Qxb6#
      • 1...Sxf6+
        • 2.Qxf6#
      • 1...Sxb4
        • 2.Qb6#
      • 1...Sxf4
        • 2.Rxf4#
        • 2.Qb6#
      • 1...Sc3
        • 2.Qb6#
        • 2.dxc3#
      • 1...Se3
        • 2.Qb6#
        • 2.dxe3#
      • 1...Se7
        • 2.Qb6#
      • 1...Sc7!
    • 1.f8S?
      • threat
        • 2.Se6#
      • 1...Sxb6+
        • 2.Qxb6#
      • 1...Sxf6+
        • 2.Qxf6#
      • 1...Sxf4
        • 2.Rxf4#
      • 1...Sc7!
  • Keys
    • 1.Kc6!
      • threat
        • 2.Rxd5#
      • 1...Sxb4+
        • 2.Rxb4#
      • 1...Se7+
        • 2.dxe7#
      • 1...Sxf4
        • 2.Rxf4#
      • 1...Sxb6
        • 2.Qxb6#
      • 1...Sxf6
        • 2.Qxf6#
      • 1...Sc3
        • 2.dxc3#
      • 1...Se3
        • 2.dxe3#
      • 1...Sc7
        • 2.dxc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(b);OGATE::P(B),XS(b)
    • S(b);OGATE,XP(G)::R(E),XS(b)
    • S(b);CHECK,OGATE,XP(I)::QAB(N),XS(b)
    • S(b);CHECK,OGATE,XP(K)::QAB(N),XS(b)
  • Tries
    • Try
      • K(L);S_FLIGHT
      • Threat
        • R1(H),XS(b)
      • Vars
        • S(b);CHECK,OGATE,XP(G)::R(E),XS(b)
        • S(b);CHECK,OGATE::QAR(N)+P(J),XS(b)
        • S(b);OGATE,XP(I)::QAB(N),XS(b)
        • S(b);OGATE,XP(K)::QAB(N),XS(b)
        • S(b);OGATE::P(B),XS(b)
        • S(b);OGATE::QAR(N)+P(J),XS(b)
      • Refutation
        • S(b);XP(F)
    • Try
      • K(L);S_FLIGHT
      • Vars
        • S(b);CHECK,OGATE,XP(I)::QAB(N),XS(b)
        • S(b);CHECK,OGATE::QAR(N)+P(J),XS(b)
        • S(b);OGATE,XP(G)::R(E),XS(b)
        • S(b);OGATE,XP(K)::QAB(N),XS(b)
        • S(b);OGATE::P(B),XS(b)
        • S(b);OGATE::QAR(N)+P(J),XS(b)
      • Refutation
        • S(b);XP(F)
    • Try
      • K(L);S_FLIGHT
      • Vars
        • S(b);CHECK,OGATE,XP(K)::QAB(N),XS(b)
        • S(b);CHECK,OGATE::QAR(N)+P(J),XS(b)
        • S(b);OGATE,XP(G)::R(E),XS(b)
        • S(b);OGATE,XP(I)::QAB(N),XS(b)
        • S(b);OGATE::P(B),XS(b)
        • S(b);OGATE::QAR(N)+P(J),XS(b)
      • Refutation
        • S(b);XP(F)
    • Try
      • P(G);
      • Vars
        • S(b);CHECK,OGATE,XP(I)::QAB(N),XS(b)
        • S(b);CHECK,OGATE,XP(K)::QAB(N),XS(b)
        • S(b);N_GUARD,XP(F)::R(E)
        • S(b);OGATE::P(B),XS(b)
        • S(b);N_GUARD::R(E),XS(b)
        • S(b);N_GUARD::R(E)
      • Refutation
        • K(a);P_SPINS(b),S_FLIGHT
    • Try
      • P(I);
      • Vars
        • S(b);CHECK,N_GUARD::QAB(N),XS(b)
        • S(b);CHECK,OGATE,XP(K)::QAB(N),XS(b)
        • S(b);N_GUARD,XP(F)::QAB(N)
        • S(b);N_GUARD::QAB(N)
      • Refutation
        • S(b);
    • Try
      • P(M);
      • Threat
        • S(M)
      • Vars
        • S(b);CHECK,OGATE,XP(I)::QAB(N),XS(b)
        • S(b);CHECK,OGATE,XP(K)::QAB(N),XS(b)
        • S(b);OGATE,XP(G)::R(E),XS(b)
      • Refutation
        • S(b);
  • Actual
    • K(L);S_FLIGHT
    • Threat
      • R1(H),XS(b)
    • Vars
      • S(b);CHECK,OGATE,XP(F)::R(H),XS(b)
      • S(b);CHECK,OGATE::QAR(N)+P(J),XS(b)
      • S(b);OGATE,XP(G)::R(E),XS(b)
      • S(b);OGATE,XP(I)::QAB(N),XS(b)
      • S(b);OGATE,XP(K)::QAB(N),XS(b)
      • S(b);OGATE::P(B),XS(b)
      • S(b);OGATE::QAR(N)+P(J),XS(b)
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