MESON Chess Problem Database

Problem Display
PID: 37704 (4R2r/6Nb/4B2B/2pPP3/3k3K/2p4p/QnP2n1r/2N1R3 w - - 0 1)

Hertmann, Sandor

Recomm., BCF 013. Ty., 1933-1934

4R2r/6Nb/4B2B/2pPP3/3k3K/2p4p/QnP2n1r/2N1R3

#2

11 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Bf5
      • 2.Sxf5#
    • 1...Bg8
      • 2.Sf5#
    • 1...Sc4
      • 2.Sb3#
    • 1...c4
      • 2.Qa7#
  • Tries
    • 1.Bf7?
      • threat
        • 2.Se6#
      • 1...c4
        • 2.Qa7#
      • 1...Be4
        • 2.Se2#
      • 1...Bf5
        • 2.Sxf5#
      • 1...Sc4
        • 2.Sb3#
      • 1...Se4
        • 2.Be3#
      • 1...Rxe8!
    • 1.Qc4+?
      • 1...Sxc4
        • 2.Sb3#
      • 1...Kxc4!
    • 1.Qa4+?
      • 1...Sc4
        • 2.Sb3#
      • 1...c4
        • 2.Sb3#
        • 2.Qa7#
      • 1...Sxa4!
    • 1.d6?
      • threat
        • 2.Sb3#
        • 2.Qd5#
      • 1...Bxc2
        • 2.Qd5#
      • 1...Se4
        • 2.Qd5#
      • 1...c4
        • 2.Qa7#
      • 1...Sc4
        • 2.Sb3#
        • 2.Qxc4#
      • 1...Be4!
  • Keys
    • 1.Bg8!
      • threat
        • 2.Se6#
      • 1...Bxg8
        • 2.Sf5#
      • 1...c4
        • 2.Qa7#
      • 1...Be4
        • 2.Se2#
      • 1...Bf5
        • 2.Sxf5#
      • 1...Sc4
        • 2.Sb3#
      • 1...Se4
        • 2.Be3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(h);N_GUARD,P_PINB(I)::S(J),XB(h)
    • B(h);N_GUARD,P_PINB(I)::S(J)
    • S(a);SBLOCK::S(A)
    • P(g);OGATEB,SBLOCK::QAB(C)
  • Tries
    • Try
      • B(H);
      • Threat
        • S(J)
      • Vars
        • P(g);OGATEB,SBLOCK::QAB(C)
        • B(h);P_PINB(I),SBLOCK::S(A)
        • B(h);N_GUARD,P_PINB(I)::S(J),XB(h)
        • S(a);SBLOCK::S(A)
        • S(b);SBLOCK::B(I)
      • Refutation
        • R(i);XR(K)
    • Try
      • Q(C);CHECK
      • Vars
        • S(a);SBLOCK,XQ(C)::S(A)
      • Refutation
        • K(f);P-FLIGHT,XQ(C)
    • Try
      • Q(C);CHECK
      • Vars
        • S(a);P_SPINS(a)::S(A)
      • Refutation
        • S(a);XQ(C)
    • Try
      • P(F);
      • Threat
        • DUALS(2)
      • Vars
        • B(h);P_PINB(I),XP(D)::QAR1(C)
        • S(b);::QAR1(C)
        • P(g);OGATEB::QAB(C)
      • Refutation
        • B(h);P_PINB(I)
  • Actual
    • B(H);
    • Threat
      • S(J)
    • Vars
      • B(h);N_GUARD,P_PINB(I),XB(H)::S(J)
      • P(g);OGATEB,SBLOCK::QAB(C)
      • B(h);P_PINB(I),SBLOCK::S(A)
      • B(h);N_GUARD,P_PINB(I)::S(J),XB(h)
      • S(a);SBLOCK::S(A)
      • S(b);SBLOCK::B(I)
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Developed and maintained by Brian Stephenson.
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