MESON Chess Problem Database

Problem Display
PID: 181904 (K5b1/b1Q5/4p1B1/6pr/1PPk4/6r1/1P2RP2/5n2 w - - 0 1)

Taverner, Thomas

American Chess Bulletin, 1905

K5b1/b1Q5/4p1B1/6pr/1PPk4/6r1/1P2RP2/5n2

#2

8 + 8

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Rd3
      • 2.Re4#
    • 1...Bc5
      • 2.Qxc5#
    • 1...Bb8
      • 2.Qc5#
    • 1...Se3
      • 2.Rd2#
    • 1...g4
      • 2.Qf4#
  • Tries
    • 1.Rd2+?
      • 1...Rd3
        • 2.Rxd3#
      • 1...Sxd2!
  • Keys
    • 1.Rc2!
      • threat
        • 2.Qd6#
      • 1...Rc3
        • 2.bxc3#
      • 1...Bc5
        • 2.Qxc5#
      • 1...Bb8
        • 2.Qc5#
      • 1...Se3
        • 2.Rd2#
      • 1...g4
        • 2.Qf4#
      • 1...e5
        • 2.Qxa7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • R(b);SBLOCK::R1(B)
    • B(g);N_GUARD::QAB1(G),XB(g)
    • B(g);N_GUARD::QAB1(G)
    • S(a);N_GUARD,S_CUTR(b)::R(B)
    • P(d);N_GUARD::QAR2(G)
  • Tries
    • Try
      • R(B);CHECK
      • Vars
        • R(b);N_GUARD,P_SPINR(b)::R1(B),XR(b)
      • Refutation
        • S(a);XR(B)
  • Actual
    • R(B);
    • Threat
      • QAR2(G)
    • Vars
      • R(b);OGATE::P(A),XR(b)
      • B(g);N_GUARD::QAB1(G),XB(g)
      • B(g);N_GUARD::QAB1(G)
      • S(a);N_GUARD,S_CUTR(b)::R(B)
      • P(d);N_GUARD::QAR2(G)
      • P(f);SBLOCK::QAB(G),XB(g)
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