MESON Chess Problem Database

Problem Display
PID: 10153 (2R5/5p2/p5b1/B1Nr3p/2kP1Q1K/2N1p2p/1nR1P3/3r4 w - - 0 1)

Mansfield, Comins

Magyar Sakkelet, 1962

2R5/5p2/p5b1/B1Nr3p/2kP1Q1K/2N1p2p/1nR1P3/3r4

#2

9 + 10

3550 Complete Mansfield/II 1997

SOLUTION

  • SOUND
  • Tries
    • 1.Sb1+?
      • 1...Bxc2
        • 2.Sa3#
      • 1...Kb5!
    • 1.S3e4+?
      • 1...Kxd4
        • 2.Sb3#
      • 1...Kb5!
    • 1.Sb5+?
      • 1...Bxc2
        • 2.Sa3#
      • 1...Kxb5!
  • Keys
    • 1.Qb8!
      • threat
        • 2.Qb4#
      • 1...R1xd4+
        • 2.S3e4#
      • 1...R5xd4+
        • 2.S5e4#
      • 1...Kxd4
        • 2.Sb3#
      • 1...Sd3
        • 2.Sb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • B(i);XR(A)::S(C)
      • Refutation
        • K(e);S_FLIGHT
    • Try
      • S(C);CHECK
      • Vars
        • K(e);P-FLIGHT,XP(D)::S(H)
      • Refutation
        • K(e);S_FLIGHT
    • Try
      • S(C);CHECK
      • Vars
        • B(i);XR(A)::S(C)
      • Refutation
        • K(e);S_FLIGHT,XS(C)
  • Actual
    • Q(E);
    • Threat
      • QAR1(E)
    • Vars
      • R(a);CHECK,SBLOCK,XP(D)::R(A)+S(C)
      • R(f);CHECK,N_GUARD,SBLOCK,XP(D)::R(I)+S(H)
      • K(e);P-FLIGHT,XP(D)::S(H)
      • S(b);S_CUTB(i)::R(A)+S(C)
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