MESON Chess Problem Database

Problem Display
PID: 91398 (1BR3Bb/6N1/1pp5/1pk3q1/1p1nP1b1/1P1Rnr2/2p2Q2/K1N5 w - - 0 1)

Herpai, S Ferenc

Probleemblad, 1951

1BR3Bb/6N1/1pp5/1pk3q1/1p1nP1b1/1P1Rnr2/2p2Q2/K1N5

#2

10 + 12

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sd1
      • 2.Qxd4#
    • 1...Sf1
      • 2.Qxd4#
    • 1...Sg2
      • 2.Qxd4#
    • 1...Sc4
      • 2.Qxd4#
    • 1...Sd5
      • 2.Qxd4#
    • 1...Sef5
      • 2.Se6#
    • 1...Se2
      • 2.Bd6#
    • 1...Sxb3+
      • 2.Sxb3#
    • 1...Sdf5
      • 2.Rd5#
    • 1...Se6
      • 2.Bd6#
  • Tries
    • 1.Rc3+?
      • 1...bxc3
        • 2.Sd3#
      • 1...Sc4!
    • 1.Rxc6+?
      • 1...Sxc6
        • 2.Bd6#
      • 1...Kxc6!
  • Keys
    • 1.Rd2!
      • threat
        • 2.Sd3#
      • 1...Sxb3+
        • 2.Sxb3#
      • 1...Sd1
        • 2.Qxd4#
      • 1...Sf1
        • 2.Qxd4#
      • 1...Sg2
        • 2.Qxd4#
      • 1...Sc4
        • 2.Qxd4#
      • 1...Sd5
        • 2.Qxd4#
      • 1...Sef5
        • 2.Se6#
      • 1...Se2
        • 2.Bd6#
      • 1...Sdf5
        • 2.Rd5#
      • 1...Se6
        • 2.Bd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • S(b);OGATE,P_SPINS(e)::QAB1(C),XS(e)
    • S(b);P_SPINS(e),S_CUTB(f)::S(G)
    • S(e);P_PINS(G),P_SPINS(b)::B(H)
    • S(e);CHECK,P_PINS(G),P_SPINS(b),XP(D)::S(B),XS(e)
    • S(e);OGATE,P_PINS(G),P_SPINS(b)::R1(E)
  • Tries
    • Try
      • R(E);CHECK
      • Vars
        • P(d);XR(E)::S(B)
      • Refutation
        • S(b);P_SPINS(b)
    • Try
      • R(I);CHECK,XP(k)
      • Vars
        • S(e);P_PINS(G),P_SPINS(b),SBLOCK,XR(I)::B(H)
      • Refutation
        • K(h);P-FLIGHT,XR(I)
  • Actual
    • R(E);
    • Threat
      • S(B)
    • Vars
      • S(e);CHECK,P_PINS(G),P_SPINS(b),XP(D)::S(B),XS(e)
      • S(b);OGATE,P_SPINS(e)::QAB1(C),XS(e)
      • S(b);P_SPINS(e),S_CUTB(f)::S(G)
      • S(e);P_PINS(G),P_SPINS(b)::B(H)
      • S(e);OGATE,P_PINS(G),P_SPINS(b)::R1(E)
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