MESON Chess Problem Database

Problem Display
PID: 17625 (2n5/1Q4N1/K1R3p1/5b2/1N1bk3/4p3/6R1/7B w - - 0 1)

Mansfield, Comins

1st HM., Die Schwalbe, 1948

2n5/1Q4N1/K1R3p1/5b2/1N1bk3/4p3/6R1/7B

#2

7 + 6

3550 Complete Mansfield/II 1997

SOLUTION

  • SOUND
  • Sets
    • 1...Be5
      • 2.Rg4#
      • 2.Rc4#
  • Tries
    • 1.Rg5+?
      • 1...Ke5
        • 2.Sd3#
      • 1...Kf4!
    • 1.Rf6+?
      • 1...Kf4
        • 2.Sd3#
      • 1...Ke5!
  • Keys
    • 1.Sd3!
      • threat
        • 2.Rd2#
        • 2.Rc3#
      • 1...Kxd3
        • 2.Qb1#
      • 1...Kf3
        • 2.Rf6#
      • 1...Kd5
        • 2.Rg5#
      • 1...Bxg7
        • 2.Rd6#
      • 1...Ba1
        • 2.Rd6#
      • 1...Bb2
        • 2.Rd6#
      • 1...Bc3
        • 2.Rd6#
      • 1...Bc5
        • 2.Rd6#
      • 1...Be5
        • 2.Rd6#
      • 1...Bb6
        • 2.Rd6#
      • 1...Bf6
        • 2.Rd6#
      • 1...Ba7
        • 2.Rd6#
      • 1...e2
        • 2.Rg3#
      • 1...Bh3
        • 2.Rc3#
      • 1...Bg4
        • 2.Rc3#
      • 1...Be6
        • 2.Rd2#
      • 1...Bd7
        • 2.Rd2#
      • 1...Sb6
        • 2.Rd2#
      • 1...Sd6
        • 2.Rd2#
      • 1...Sa7
        • 2.Rd2#
      • 1...Se7
        • 2.Rd2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 21
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);CHECK
      • Vars
        • K(c);P-FLIGHT,P_SPINB(d)::S(C)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • R(E);CHECK
      • Vars
        • K(c);P-FLIGHT,P_SPINB(d)::S(C)
      • Refutation
        • K(c);P-FLIGHT
  • Actual
    • S(C);
    • Threat
      • DUALS(2)
    • Vars
      • K(c);OGATEB,S_FLIGHT,XS(C)::QAB(F)
      • K(c);S_FLIGHT::QAB(F)+R(E)
      • K(c);S_FLIGHT::B(A)+R(B)
      • B(b);XS(G)::QAB(F)+R(E)
      • B(b);::QAB(F)+R(E)
      • P(a);::B(A)+R(B)
      • B(d);::QAB(F)+R(E)
      • B(d);::B(A)+R(B)
      • S(f);::B(A)+R(B)
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