MESON Chess Problem Database

Problem Display
PID: 145682 (6Q1/2p3P1/2p1KN2/Bp4p1/3p2N1/3kP3/2R3Pr/n2B2b1 w - - 0 1)

Rice, John Michael

British Chess Magazine, 0000

6Q1/2p3P1/2p1KN2/Bp4p1/3p2N1/3kP3/2R3Pr/n2B2b1

#2

10 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Rxg2
      • 2.Qh7#
    • 1...Rh7
      • 2.Qxh7#
    • 1...Bxe3
      • 2.Se5#
    • 1...dxe3
      • 2.Qd8#
  • Tries
    • 1.Ke5?
      • threat
        • 2.Rd2#
      • 1...Rxg2
        • 2.Qh7#
      • 1...Sxc2
        • 2.Qb3#
      • 1...dxe3
        • 2.Qd8#
      • 1...Sb3
        • 2.Qxb3#
      • 1...b4
        • 2.Qc4#
      • 1...Bxe3!
    • 1.Kf5?
      • threat
        • 2.Rd2#
      • 1...Bxe3
        • 2.Se5#
      • 1...Sxc2
        • 2.Qb3#
      • 1...dxe3
        • 2.Qd8#
      • 1...Sb3
        • 2.Qxb3#
      • 1...b4
        • 2.Qc4#
      • 1...Rxg2!
    • 1.Kd7?
      • threat
        • 2.Rd2#
      • 1...Rxg2
        • 2.Qh7#
      • 1...Bxe3
        • 2.Se5#
      • 1...Sxc2
        • 2.Qb3#
      • 1...Sb3
        • 2.Qxb3#
      • 1...b4
        • 2.Qc4#
      • 1...dxe3!
    • 1.Bd2?
      • threat
        • 2.Se5#
      • 1...dxe3
        • 2.Qd8#
      • 1...Sxc2!
  • Keys
    • 1.Ke7!
      • threat
        • 2.Rd2#
      • 1...Rxg2
        • 2.Qh7#
      • 1...Bxe3
        • 2.Se5#
      • 1...Sxc2
        • 2.Qb3#
      • 1...dxe3
        • 2.Qd8#
      • 1...Sb3
        • 2.Qxb3#
      • 1...b4
        • 2.Qc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • R(c);N_GUARD,XP(C)::QAB(J)
    • R(c);N_GUARD::QAB(J),XR(c)
    • B(b);SBLOCK,XP(D)::S(E)
    • P(e);OGATEB,XP(D)::QAR(J)
  • Tries
    • Try
      • K(G);P-FLIGHT
      • Threat
        • R1(B)
      • Vars
        • R(c);N_GUARD,XP(C)::QAB(J)
        • S(a);N_GUARD,XR(B)::QAR2(J)
        • P(e);OGATEB,XP(D)::QAR(J)
        • S(a);N_GUARD::QAR2(J),XS(a)
        • P(f);N_GUARD::QAB1(J)
      • Refutation
        • B(b);XP(D)
    • Try
      • K(G);S_FLIGHT
      • Threat
        • R1(B)
      • Vars
        • B(b);SBLOCK,XP(D)::S(E)
        • S(a);N_GUARD,XR(B)::QAR2(J)
        • P(e);OGATEB,XP(D)::QAR(J)
        • S(a);N_GUARD::QAR2(J),XS(a)
        • P(f);N_GUARD::QAB1(J)
      • Refutation
        • R(c);XP(C)
    • Try
      • K(G);S_FLIGHT
      • Threat
        • R1(B)
      • Vars
        • R(c);N_GUARD,XP(C)::QAB(J)
        • B(b);SBLOCK,XP(D)::S(E)
        • S(a);N_GUARD,XR(B)::QAR2(J)
        • S(a);N_GUARD::QAR2(J),XS(a)
        • P(f);N_GUARD::QAB1(J)
      • Refutation
        • P(e);XP(D)
    • Try
      • B(F);
      • Threat
        • S(E)
      • Vars
        • P(e);OGATEB,XP(D)::QAR(J)
      • Refutation
        • S(a);XR(B)
  • Actual
    • K(G);P-FLIGHT
    • Threat
      • R1(B)
    • Vars
      • R(c);N_GUARD,XP(C)::QAB(J)
      • B(b);SBLOCK,XP(D)::S(E)
      • S(a);N_GUARD,XR(B)::QAR2(J)
      • P(e);OGATEB,XP(D)::QAR(J)
      • S(a);N_GUARD::QAR2(J),XS(a)
      • P(f);N_GUARD::QAB1(J)
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