MESON Chess Problem Database

Problem Display
PID: 145054 (2b5/b2p4/2r1N1R1/1B1kp3/4N1Q1/4p2K/2R5/8 w - - 0 1)

Schor, Laszlo

Magyar Sakkvilag, 1931

2b5/b2p4/2r1N1R1/1B1kp3/4N1Q1/4p2K/2R5/8

#2

7 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Rb6
      • 2.Rc5#
    • 1...Rd6
      • 2.Sc3#
      • 2.Sf6#
    • 1...Bc5
      • 2.Bc4#
    • 1...d6
      • 2.Sf6#
      • 2.Bxc6#
  • Tries
    • 1.Sc7+?
      • 1...Rxc7
        • 2.Rd6#
      • 1...Kd4!
    • 1.Rxc6?
      • threat
        • 2.Sc3#
        • 2.Sf6#
        • 2.Rd6#
      • 1...Bd4
        • 2.Sf6#
        • 2.Sc7#
        • 2.Rd6#
      • 1...Bc5
        • 2.Sc3#
        • 2.Sf6#
        • 2.Rxc5#
      • 1...Bb8
        • 2.Sc3#
        • 2.Sf6#
        • 2.Rc5#
      • 1...d6
        • 2.Sc3#
        • 2.Sf6#
        • 2.Rxd6#
      • 1...dxc6!
  • Keys
    • 1.S6c5!
      • threat
        • 2.Qd1#
      • 1...Kd4
        • 2.Qd1#
      • 1...Rxc5
        • 2.Rd6#
      • 1...Bxc5
        • 2.Sc3#
      • 1...e2
        • 2.Rd2#
      • 1...d6
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • R(d);N_GUARD,S_CUTB(e)::R1(A)
    • B(e);S_CUTR(d)::B(E)
  • Tries
    • Try
      • S(F);CHECK
      • Vars
        • R(d);XS(F)::R1(G)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • R(A);XR(d)
      • Threat
        • DUALS(3)
      • Refutation
        • P(f);XR(A)
  • Actual
    • S(F);
    • Threat
      • QAR(D)
    • Vars
      • K(b);P-FLIGHT::QAR(D)
      • R(d);N_GUARD,XS(F)::R1(G)
      • B(e);SBLOCK,XS(F)::S(C)
      • P(a);N_GUARD::R(A)
      • P(f);P_PINQ(D),SBLOCK,S_CUTR(d)::S(C)
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