MESON Chess Problem Database

Problem Display
PID: 180150 (8/1p1N1K2/6Q1/P3P3/p2k4/1n2N3/BPnpR2b/2R5 w - - 0 1)

Klipachev, Vladimir Panteleevich

Sachmatija, 2015

8/1p1N1K2/6Q1/P3P3/p2k4/1n2N3/BPnpR2b/2R5

#2

10 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Sca1
      • 2.Rc4#
    • 1...Se1
      • 2.Rc4#
    • 1...Sb4
      • 2.Rc4#
    • 1...Sxc1
      • 2.Sxc2#
    • 1...Sxa5
      • 2.Sxc2#
    • 1...Sc5
      • 2.Sxc2#
  • Tries
    • 1.Sxc2+?
      • 1...Kd5
        • 2.Qe4#
        • 2.Qe6#
      • 1...Kc4!
    • 1.Rxc2?
      • threat
        • 2.Rc4#
      • 1...Sxa5
        • 2.Rcxd2#
      • 1...b5!
    • 1.Rxd2+?
      • 1...Sxd2
        • 2.Sxc2#
      • 1...Kxe3!
    • 1.Qg4+?
      • 1...Kd3
        • 2.Qc4#
      • 1...Bf4!
  • Keys
    • 1.Sc5!
      • threat
        • 2.Qd6#
      • 1...Kxc5
        • 2.Qb6#
      • 1...Kxe5
        • 2.Qf6#
      • 1...Bxe5
        • 2.Se6#
      • 1...Sxe3
        • 2.Qe4#
      • 1...Sxc5
        • 2.Sxc2#
      • 1...Sb4
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 4
    • REMOVED MATES = 4
  • Sets
    • S(a);OGATE::R1(A)
    • S(d);XR(A)::S(E),XS(a)
    • S(d);XP(F)::S(E),XS(a)
    • S(d);::S(E),XS(a)
  • Tries
    • Try
      • S(E);CHECK,XS(a)
      • Refutation
        • K(f);P-FLIGHT,P_SPINS(d)
    • Try
      • R(A);XS(a)
      • Threat
        • R1(A)
      • Vars
        • S(d);N_GUARD,XP(F)::R(A),XP(b)
      • Refutation
        • P(g);
    • Try
      • R(D);CHECK,XP(b)
      • Vars
        • S(d);XR(D)::S(E),XS(a)
      • Refutation
        • K(f);S_FLIGHT,XS(E)
    • Try
      • Q(H);CHECK
      • Vars
        • K(f);OGATE,P-FLIGHT::QAB1(H)
      • Refutation
        • B(c);P_SPINB(c)
  • Actual
    • S(I);
    • Threat
      • QAR2(H)
    • Vars
      • K(f);OGATEB,P_SPINS(a),S_FLIGHT,XS(I)::QAB1(H)
      • K(f);OGATEB,S_FLIGHT,XP(G)::QAB1(H)
      • B(c);SBLOCK,XP(G)::S(I)
      • S(a);XS(E)::QAR1(H)
      • S(d);SBLOCK,XS(I)::S(E),XS(a)
      • S(a);::QAR1(H)
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