MESON Chess Problem Database

Problem Display
PID: 132622 (8/2Q5/8/8/4R1N1/p2p3K/Pb1k3p/1R1N3r w - - 0 1)

Morse, Christopher Jeremy

The Field, 1957

(First published on Thu Nov 7 1957)

8/2Q5/8/8/4R1N1/p2p3K/Pb1k3p/1R1N3r

#2

7 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Ba1
      • 2.Qc1#
    • 1...Bc1
      • 2.Qxc1#
    • 1...Bc3
      • 2.Qxc3#
    • 1...Bd4
      • 2.Qc1#
    • 1...Be5
      • 2.Qc1#
    • 1...Bf6
      • 2.Qc1#
    • 1...Bg7
      • 2.Qc1#
    • 1...Bh8
      • 2.Qc1#
  • Tries
    • 1.Se5?
      • threat
        • 2.Sf3#
      • 1...Bxe5
        • 2.Qc1#
      • 1...Bc1
        • 2.Qxc1#
      • 1...Bc3
        • 2.Qxc3#
      • 1...Rf1!
    • 1.Rxb2+?
      • 1...Kxd1
        • 2.Sf2#
      • 1...axb2!
    • 1.Qa5+?
      • 1...Bc3
        • 2.Qxc3#
      • 1...Kc2!
  • Keys
    • 1.Sxh2!
      • 1...Rxh2+
        • 2.Qxh2#
      • 1...Rxd1
        • 2.Sf3#
      • 1...Bc1
        • 2.Qxc1#
      • 1...Bc3
        • 2.Qxc3#
      • 1...Re1
        • 2.Sf3#
      • 1...Rf1
        • 2.Sxf1#
      • 1...Rg1
        • 2.Sf3#
      • 1...Ba1
        • 2.Qc1#
      • 1...Bd4
        • 2.Qc1#
      • 1...Be5
        • 2.Qc1#
      • 1...Bf6
        • 2.Qc1#
      • 1...Bg7
        • 2.Qc1#
      • 1...Bh8
        • 2.Qc1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • B(b);N_GUARD::QAB1(G)
    • B(b);N_GUARD::QAB1(G),XB(b)
  • Tries
    • Try
      • S(F);
      • Threat
        • S(F)
      • Vars
        • B(b);N_GUARD,XS(F)::QAB1(G)
        • B(b);N_GUARD::QAB1(G),XB(b)
      • Refutation
        • R(a);
    • Try
      • R(A);CHECK,XB(b)
      • Vars
        • K(c);P-FLIGHT,XS(B)::S(F)
      • Refutation
        • P(e);XR(A)
    • Try
      • Q(G);CHECK
      • Vars
        • B(b);N_GUARD,P_SPINB(b)::QAB1(G),XB(b)
      • Refutation
        • K(c);P-FLIGHT
  • Actual
    • S(F);P_SPINS(F),XP(d)
    • Vars
      • R(a);CHECK,OGATE,XS(F)::QAR(G),XR(a)
      • R(a);N_PINS(F),XS(B)::S(F)
      • B(b);N_GUARD::QAB1(G),XB(b)
      • R(a);N_PINS(F)::S(F)
      • R(a);N_PINS(F)::S(F),XR(a)
      • B(b);N_GUARD::QAB1(G)
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