MESON Chess Problem Database

Problem Display
PID: 164694 (4R3/B3nQ1K/4r1p1/2R3P1/1p1Pk3/1rP3pp/2P2b2/1B2nN1q w - - 0 1)

Bunka, Vladislav

Sachova skladba, 2007

4R3/B3nQ1K/4r1p1/2R3P1/1p1Pk3/1rP3pp/2P2b2/1B2nN1q

#2

11 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Re5
      • 2.Rxe5#
    • 1...Ra6
      • 2.Re5#
    • 1...Rb6
      • 2.Re5#
    • 1...Rc6
      • 2.Re5#
    • 1...Rd6
      • 2.Re5#
    • 1...Be3
      • 2.Sxg3#
    • 1...Sxc2
      • 2.Bxc2#
    • 1...Sg2
      • 2.cxb3#
    • 1...Sd3
      • 2.cxd3#
    • 1...Sf3
      • 2.cxb3#
    • 1...Sd5
      • 2.Rxe6#
    • 1...Sc8
      • 2.Rxe6#
    • 1...Sg8
      • 2.Rxe6#
  • Tries
    • 1.cxb3+?
      • 1...Sc2
        • 2.Bxc2#
      • 1...Sd3!
  • Keys
    • 1.Bb8!
      • threat
        • 2.Qf4#
      • 1...Sxc2
        • 2.Bxc2#
      • 1...Rf6
        • 2.Qd5#
      • 1...Sf5
        • 2.Qb7#
      • 1...Qf3
        • 2.Qxe6#
      • 1...Re5
        • 2.Rxe5#
      • 1...Rd6
        • 2.Re5#
      • 1...Be3
        • 2.Sxg3#
      • 1...Sg2
        • 2.cxb3#
      • 1...Sd3
        • 2.cxd3#
      • 1...Sd5
        • 2.Rxe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 6
  • Sets
    • R(i);N_GUARD::R1(F),XR(i)
    • R(i);N_GUARD,P_SPINS(k)::R1(F)
    • B(c);N_GUARD,SBLOCK::S(B),XP(e)
    • S(a);OGATE,P_SPINS(a),XP(C)::B(A),XS(a)
    • S(a);N_GUARD::B(A)+P(C),XR(d)
    • S(a);OGATE::P(C),XS(a)
    • S(k);OGATE,P_SPINR(i)::R(K),XR(i)
  • Tries
    • Try
      • P(C);CHECK,XR(d)
      • Vars
        • S(a);N_GUARD,P_SPINS(a)::B(A),XS(a)
      • Refutation
        • S(a);P_SPINS(a)
  • Actual
    • B(H);
    • Threat
      • QAR1(I)
    • Vars
      • S(a);OGATE,P_SPINS(a),XP(C)::B(A),XS(a)
      • R(i);OGATE,P_SPINS(k)::QAB1(I)
      • S(k);OGATE,P_SPINR(i)::QAB(I)
      • Q(b);SBLOCK::QAR2(I),XR(i)
      • R(i);N_GUARD::R1(F),XR(i)
      • R(i);N_GUARD,P_SPINS(k)::R1(F)
      • B(c);N_GUARD,SBLOCK::S(B),XP(e)
      • S(a);N_GUARD::B(A)+P(C),XR(d)
      • S(a);OGATE::P(C),XS(a)
      • S(k);OGATE,P_SPINR(i)::R(K),XR(i)
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