MESON Chess Problem Database

Problem Display
PID: 231193 (5Q2/3N4/3Rp3/2p5/Rn1nk3/1r3p2/2P2PPK/bB2Nb2 w - - 0 1)

Hertmann, Sandor

4th Prize, Midweek Sports Referee, 1927

5Q2/3N4/3Rp3/2p5/Rn1nk3/1r3p2/2P2PPK/bB2Nb2

#2

10 + 9

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sd3
      • 2.Qxf3#
      • 2.gxf3#
    • 1...Sd5
      • 2.Rxe6#
    • 1...Se2
      • 2.cxb3#
    • 1...e5
      • 2.Sxc5#
  • Tries
    • 1.Qf6?
      • threat
        • 2.Sxc5#
        • 2.Qe5#
      • 1...Sdxc2
        • 2.Sxc5#
      • 1...Rc3
        • 2.Qe5#
      • 1...Sd3
        • 2.Qxf3#
        • 2.gxf3#
      • 1...Sa6
        • 2.Qe5#
      • 1...Sbc6
        • 2.Sxc5#
      • 1...Se2
        • 2.Sxc5#
        • 2.cxb3#
      • 1...Sb5
        • 2.Sxc5#
      • 1...Sdc6
        • 2.Sxc5#
      • 1...c4
        • 2.Sc5#
        • 2.Qe5#
      • 1...e5
        • 2.Sxc5#
        • 2.Qxe5#
      • 1...Sf5!
    • 1.cxb3+?
      • 1...Sbc2
        • 2.Qxf3#
        • 2.gxf3#
      • 1...Sd3
        • 2.Qxf3#
        • 2.gxf3#
      • 1...Sdc2
        • 2.Qxf3#
        • 2.gxf3#
      • 1...Bd3!
  • Keys
    • 1.g3!
      • threat
        • 2.Qf4#
      • 1...Sd3
        • 2.Qxf3#
      • 1...Sd5
        • 2.Rxe6#
      • 1...Se2
        • 2.cxb3#
      • 1...Sf5
        • 2.Qa8#
      • 1...e5
        • 2.Sxc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • S(e);P_SPINS(f),SBLOCK::R(H),XP(i)
    • S(f);N_GUARD,P_SPINS(e),S_CUTB(b)::B(A)+P(C),XR(c)
    • P(i);SBLOCK::S(I),XP(h)
  • Tries
    • Try
      • Q(J);
      • Threat
        • DUALS(2)
      • Vars
        • S(f);P_SPINS(f),XP(C)::S(I),XP(h)
        • R(c);::QAR1(J)
        • S(e);P_SPINS(f)::QAR1(J)
        • S(e);P_SPINS(f)::S(I),XP(h)
        • S(f);P_SPINS(e)::S(I),XP(h)
      • Refutation
        • S(f);P_SPINS(e)
    • Try
      • P(C);CHECK,XR(c)
      • Refutation
        • B(b);P_SPINB(b)
  • Actual
    • P(E);
    • Threat
      • QAR1(J)
    • Vars
      • S(e);P_SPINS(f),S_CUTR(c)::QAB1(J),XP(d)
      • S(e);P_SPINS(f),SBLOCK::R(H),XP(i)
      • S(f);N_GUARD,P_SPINS(e),S_CUTB(b)::B(A)+P(C),XR(c)
      • S(f);N_GUARD,P_SPINS(e),SBLOCK::QAB(J)
      • P(i);SBLOCK::S(I),XP(h)
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