MESON Chess Problem Database

Problem Display
PID: 36410 (2r5/p7/3p4/1N1Q4/3N4/Kp3p2/2RBRPB1/1b1kb1r1 w - - 0 1)

Daniel, Arthur William

Recomm., BCF 007. Ty., 1931-1932

2r5/p7/3p4/1N1Q4/3N4/Kp3p2/2RBRPB1/1b1kb1r1

#2

9 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Rxg2
      • 2.Rxe1#
    • 1...Rc3
      • 2.Sxc3#
    • 1...Ra8
      • 2.Sc3#
      • 2.Rc1#
    • 1...Rb8
      • 2.Sc3#
      • 2.Rc1#
    • 1...Rd8
      • 2.Sc3#
      • 2.Rc1#
    • 1...Re8
      • 2.Sc3#
      • 2.Rc1#
    • 1...Rf8
      • 2.Sc3#
      • 2.Rc1#
    • 1...Rg8
      • 2.Sc3#
      • 2.Rc1#
    • 1...Rh8
      • 2.Sc3#
      • 2.Rc1#
  • Tries
    • 1.Qc4?
      • threat
        • 2.Sc3#
        • 2.Rc1#
      • 1...Bxc2
        • 2.Sc3#
      • 1...Bxd2
        • 2.Rcxd2#
      • 1...bxc2
        • 2.Sc3#
      • 1...fxe2
        • 2.Sc3#
        • 2.Qxe2#
      • 1...b2
        • 2.Sc3#
      • 1...Rxc4!
    • 1.Qc6?
      • threat
        • 2.Sc3#
        • 2.Rc1#
      • 1...Bxc2
        • 2.Sc3#
      • 1...Bxd2
        • 2.Rcxd2#
      • 1...bxc2
        • 2.Sc3#
      • 1...fxe2
        • 2.Sc3#
      • 1...b2
        • 2.Sc3#
      • 1...Rxc6!
    • 1.Qc5?
      • threat
        • 2.Sc3#
        • 2.Rc1#
      • 1...Bxc2
        • 2.Sc3#
      • 1...Bxd2
        • 2.Rcxd2#
      • 1...bxc2
        • 2.Sc3#
      • 1...fxe2
        • 2.Sc3#
      • 1...b2
        • 2.Sc3#
      • 1...Rxc5!
  • Keys
    • 1.Sc6!
      • threat
        • 2.Bxe1#
      • 1...Kxc2
        • 2.Qxb3#
      • 1...Kxe2
        • 2.Qxf3#
      • 1...Bxc2
        • 2.Sc3#
      • 1...Bxd2
        • 2.Qxd2#
      • 1...Bxf2
        • 2.Be3#
      • 1...bxc2
        • 2.Sc3#
      • 1...fxe2
        • 2.Rc1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 2
  • Sets
    • R(d);N_GUARD,XB(E)::R1(C),XB(c)
    • R(i);N_GUARD::S(H),XR(i)
  • Tries
    • Try
      • Q(I);
      • Threat
        • DUALS(2)
      • Vars
        • B(a);XR(A)::S(H)
        • B(c);OGATE,XB(B)::R1(A),XB(c)
        • P(e);XR(A)::S(H)
        • P(e);::S(H)
      • Refutation
        • R(i);XQ(I)
    • Try
      • Q(I);
      • Threat
        • DUALS(2)
      • Vars
        • B(a);XR(A)::S(H)
        • B(c);OGATE,XB(B)::R1(A),XB(c)
        • P(e);XR(A)::S(H)
        • P(f);XR(C)::S(H)
        • P(e);::S(H)
      • Refutation
        • R(i);XQ(I)
    • Try
      • Q(I);
      • Threat
        • DUALS(2)
      • Vars
        • B(a);XR(A)::S(H)
        • B(c);OGATE,XB(B)::R1(A),XB(c)
        • P(e);XR(A)::S(H)
        • P(f);XR(C)::S(H)
        • P(e);::S(H)
      • Refutation
        • R(i);XQ(I)
  • Actual
    • S(G);
    • Threat
      • QAR(I)+B(B),XB(c)
    • Vars
      • K(b);OGATEB,S_FLIGHT,XR(A)::QAB1(I),XP(e)
      • K(b);OGATEB,S_FLIGHT,XR(C)::QAB1(I),XP(f)
      • B(a);SBLOCK,XR(A)::S(H)
      • B(c);OGATE,P_SPINB(c),XB(B)::QAR1(I),XB(c)
      • B(c);N_GUARD,XP(D)::QAR(I)+B(B)
      • P(e);SBLOCK,XR(A)::S(H)
      • P(f);SBLOCK,XR(C)::R1(A)
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