MESON Chess Problem Database

Problem Display
PID: 133538 (2R5/bPpk1p1q/bp2pP1n/4P3/2R1Bp2/2PK1P2/2PQP3/8 w - - 0 1)

Stevenson, Edward

The Field, 1961

(First published on Thu Jun 1 1961)

2R5/bPpk1p1q/bp2pP1n/4P3/2R1Bp2/2PK1P2/2PQP3/8

#2

12 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Qxe4+
      • 2.Kxe4#
    • 1...Qg8
      • 2.Bc6#
    • 1...Qg7
      • 2.Bc6#
    • 1...Qh8
      • 2.Bc6#
    • 1...Bxc4+
      • 2.Kxc4#
    • 1...Bxb7
      • 2.R4xc7#
    • 1...Sf5
      • 2.Bc6#
    • 1...b5
      • 2.R4xc7#
  • Keys
    • 1.e3!
      • threat
        • 2.Ke2#
      • 1...Qxe4+
        • 2.Kxe4#
      • 1...Bxc4+
        • 2.Kxc4#
      • 1...Bxb7
        • 2.R4xc7#
      • 1...fxe3
        • 2.Kxe3#
      • 1...Sf5
        • 2.Bc6#
      • 1...b5
        • 2.R4xc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • Q(j);CHECK,XB(H)::QAR(B)+K(E),XQ(j)
    • Q(j);N_PINB(H)::B(H)
    • B(b);CHECK,XR(G)::QAR(B)+K(E),XB(b)
    • B(b);N_PINR(G),XP(K)::R1(G),XP(g)
    • S(e);N_PINB(H)::B(H)
    • P(c);N_PINR(G)::R1(G),XP(g)
  • Actual
    • P(C);
    • Threat
      • QAR(B)+K(E)
    • Vars
      • Q(j);CHECK,XB(H)::QAR(B)+K(E),XQ(j)
      • B(b);CHECK,XR(G)::QAR(B)+K(E),XB(b)
      • B(b);N_PINR(G),XP(K)::R1(G),XP(g)
      • P(a);XP(C)::QAR(B)+K(E),XP(a)
      • S(e);N_PINB(H)::B(H)
      • P(c);N_PINR(G)::R1(G),XP(g)
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Developed and maintained by Brian Stephenson.
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