MESON Chess Problem Database

Problem Display
PID: 100871 (1n2b3/2p2p2/n1N2b2/R1Pk1B2/2N2p2/B2K4/4R3/8 w - - 0 1)

Chittenden, Simeon Baldwin

Good Companions, 1921

1n2b3/2p2p2/n1N2b2/R1Pk1B2/2N2p2/B2K4/4R3/8

#2

8 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ba1
      • 2.Se7#
    • 1...Bb2
      • 2.Se7#
    • 1...Bc3
      • 2.Se7#
    • 1...Bd4
      • 2.Se7#
    • 1...Be5
      • 2.Se7#
    • 1...Be7
      • 2.Sxe7#
    • 1...Bg7
      • 2.Se7#
    • 1...Bh8
      • 2.Se7#
    • 1...Sb4+
      • 2.Sxb4#
    • 1...Sxc5+
      • 2.Rxc5#
  • Tries
    • 1.Sb6+?
      • 1...Kxc6
        • 2.Be4#
      • 1...cxb6!
    • 1.Bg4?
      • threat
        • 2.Bf3#
      • 1...Sb4+
        • 2.Sxb4#
      • 1...Sxc5+
        • 2.Rxc5#
      • 1...Be5
        • 2.Se7#
      • 1...f3
        • 2.Bxf3#
      • 1...Kxc6!
    • 1.Re5+?
      • 1...Bxe5
        • 2.Se7#
      • 1...Kxc6!
    • 1.Rxe8?
      • threat
        • 2.Be4#
      • 1...Sb4+
        • 2.Sxb4#
      • 1...Sxc5+
        • 2.Rxc5#
      • 1...Be7
        • 2.Sxe7#
      • 1...Kxc6!
  • Keys
    • 1.Re7!
      • threat
        • 2.Be4#
      • 1...Sb4+
        • 2.Sxb4#
      • 1...Sxc5+
        • 2.Rxc5#
      • 1...Kxc6
        • 2.Be4#
      • 1...Bxe7
        • 2.Sxe7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 7
  • Sets
    • B(d);N_GUARD::S(H)
    • B(d);N_GUARD::S(H),XB(d)
    • S(c);CHECK,N_GUARD::S(H),XS(c)
    • S(c);CHECK,OGATE,P_SPINS(c),XP(F)::R1(E),XS(c)
  • Tries
    • Try
      • S(D);CHECK
      • Vars
        • K(b);S_FLIGHT,XS(H)::B(G)
      • Refutation
        • P(e);XS(D)
    • Try
      • B(G);
      • Threat
        • B(G)
      • Vars
        • S(c);CHECK,N_GUARD::S(H),XS(c)
        • S(c);CHECK,OGATE,P_SPINS(c),XP(F)::R1(E),XS(c)
        • B(d);N_GUARD::S(H)
        • P(a);::B(G),XP(a)
      • Refutation
        • K(b);S_FLIGHT,XS(H)
    • Try
      • R(A);CHECK
      • Vars
        • B(d);XR(A)::S(H)
      • Refutation
        • K(b);S_FLIGHT,XS(H)
    • Try
      • R(A);XB(h)
      • Threat
        • B(G)
      • Vars
        • S(c);CHECK,N_GUARD::S(H),XS(c)
        • S(c);CHECK,OGATE,P_SPINS(c),XP(F)::R1(E),XS(c)
        • B(d);N_GUARD::S(H),XB(d)
      • Refutation
        • K(b);S_FLIGHT,XS(H)
  • Actual
    • R(A);
    • Threat
      • B(G)
    • Vars
      • S(c);CHECK,N_GUARD::S(H),XS(c)
      • S(c);CHECK,OGATE,P_SPINS(c),XP(F)::R1(E),XS(c)
      • K(b);S_FLIGHT,XS(H)::B(G)
      • B(d);XR(A)::S(H),XB(d)
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