MESON Chess Problem Database

Problem Display
PID: 240410 (4n3/8/2K1R3/8/2pk3B/3r2n1/2Q3B1/8 w - - 0 1)

Svitek, Miroslav

Variantim, 2011

4n3/8/2K1R3/8/2pk3B/3r2n1/2Q3B1/8

#2

5 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Rd2
      • 2.Qxd2#
    • 1...Sf1
      • 2.Re4#
    • 1...Sh1
      • 2.Re4#
    • 1...Se2
      • 2.Re4#
    • 1...Se4
      • 2.Rxe4#
    • 1...Sf5
      • 2.Re4#
    • 1...Sh5
      • 2.Re4#
    • 1...Sd6
      • 2.Bf6#
    • 1...Sf6
      • 2.Bxf6#
    • 1...Sc7
      • 2.Bf6#
    • 1...Sg7
      • 2.Bf6#
    • 1...c3
      • 2.Qa4#
  • Tries
    • 1.Bd5?
      • threat
        • 2.Qxc4#
      • 1...Se4
        • 2.Rxe4#
      • 1...Sd6
        • 2.Bf6#
      • 1...c3
        • 2.Qa4#
      • 1...Rc3!
    • 1.Bd8?
      • threat
        • 2.Bb6#
      • 1...Se4
        • 2.Rxe4#
      • 1...c3
        • 2.Qa4#
      • 1...Sc7
        • 2.Bf6#
      • 1...Rb3!
    • 1.Qb2+?
      • 1...c3
        • 2.Qb4#
      • 1...Rc3!
    • 1.Qf2+?
      • 1...Re3
        • 2.Qxe3#
      • 1...Kc3!
  • Keys
    • 1.Be7!
      • threat
        • 2.Bc5#
      • 1...Se4
        • 2.Rxe4#
      • 1...c3
        • 2.Qa4#
      • 1...Sd6
        • 2.Bf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 9
  • Sets
    • R(a);OGATEB::QAR2(A),XR(a)
    • S(b);N_GUARD::R1(E)
    • S(b);N_GUARD::R1(E),XS(b)
    • S(e);N_GUARD::B(C)
    • S(e);N_GUARD::B(C),XS(e)
    • P(c);OGATEB,SBLOCK::QAR(A)
  • Tries
    • Try
      • B(B);
      • Threat
        • QAR1(A),XP(c)
      • Vars
        • S(b);N_GUARD::R1(E),XS(b)
        • S(e);N_GUARD::B(C)
        • P(c);OGATEB,SBLOCK::QAR(A)
      • Refutation
        • R(a);
    • Try
      • B(C);
      • Threat
        • B(C)
      • Vars
        • S(b);N_GUARD::R1(E),XS(b)
        • P(c);OGATEB,SBLOCK::QAR(A)
        • S(e);N_GUARD::B(C)
      • Refutation
        • R(a);
    • Try
      • Q(A);CHECK
      • Vars
        • P(c);OGATEB,P_SPINP(c)::QAR2(A)
      • Refutation
        • R(a);P_SPINR(a)
    • Try
      • Q(A);CHECK
      • Vars
        • R(a);N_GUARD,P_SPINR(a)::QAB1(A),XR(a)
      • Refutation
        • K(d);S_FLIGHT
  • Actual
    • B(C);
    • Threat
      • B(C)
    • Vars
      • S(b);N_GUARD::R1(E),XS(b)
      • P(c);OGATEB,SBLOCK::QAR(A)
      • S(e);N_GUARD::B(C)
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