MESON Chess Problem Database

Problem Display
PID: 161374 (8/8/2p1N3/2p1Rp2/1pP2rp1/3k1pP1/1P5p/2Q2KbN w - - 0 1)

Planck, Charles

Eastern Daily Press, 1884

8/8/2p1N3/2p1Rp2/1pP2rp1/3k1pP1/1P5p/2Q2KbN

#2

8 + 10

15351 SCPF/BCPS Black Books 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Rxc4
      • 2.Qd1#
    • 1...Rd4
      • 2.Sxc5#
    • 1...Bf2
      • 2.Sxf2#
    • 1...Be3
      • 2.Rxe3#
    • 1...Bd4
      • 2.Sxf4#
    • 1...f2
      • 2.Re3#
    • 1...b3
      • 2.Qc3#
  • Tries
    • 1.Sxc5+?
      • 1...Kd4
        • 2.Qxf4#
      • 1...Bxc5!
    • 1.Re2?
      • threat
        • 2.Qc2#
      • 1...Rxc4
        • 2.Qd2#
        • 2.Qd1#
      • 1...b3
        • 2.Qc3#
      • 1...fxe2+!
    • 1.Rd5+?
      • 1...Ke4
        • 2.Sg5#
        • 2.Qxf4#
      • 1...Rd4
        • 2.Sxc5#
      • 1...Bd4
        • 2.Sf2#
        • 2.Sxc5#
      • 1...cxd5!
  • Keys
    • 1.Re1!
      • 1...Rxc4
        • 2.Qd1#
      • 1...Be3
        • 2.Rxe3#
      • 1...Rd4
        • 2.Sxc5#
      • 1...Re4
        • 2.Rd1#
      • 1...Bf2
        • 2.Sxf2#
      • 1...Bd4
        • 2.Sxf4#
      • 1...f2
        • 2.Re3#
      • 1...b3
        • 2.Qc3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • R(f);SBLOCK,XP(F)::QAR2(A)
    • R(f);SBLOCK,S_CUTB(a)::S(H),XP(h)
    • B(a);N_GUARD::S(C),XB(a)
    • B(a);N_GUARD::R1(G),XB(a)
    • B(a);SBLOCK::S(H),XR(f)
    • P(d);S_CUTB(a)::R1(G)
    • P(e);N_GUARD::QAR1(A)
  • Tries
    • Try
      • S(H);CHECK,XP(h)
      • Vars
        • K(c);P-FLIGHT::QAR2(A),XR(f)
      • Refutation
        • B(a);XS(H)
    • Try
      • R(G);
      • Threat
        • QAB1(A)
      • Vars
        • P(e);N_GUARD::QAR1(A)
      • Refutation
        • P(d);CHECK,XR(G)
    • Try
      • R(G);CHECK
      • Vars
        • R(f);P_SPINR(f)::S(H),XP(h)
      • Refutation
        • P(j);XR(G)
  • Actual
    • R(G);
    • Vars
      • R(f);SBLOCK,XP(F)::QAR2(A)
      • B(a);N_GUARD::R1(G),XB(a)
      • R(f);SBLOCK,S_CUTB(a)::S(H),XP(h)
      • R(f);SBLOCK::R(G)
      • B(a);N_GUARD::S(C),XB(a)
      • B(a);SBLOCK::S(H),XR(f)
      • P(d);S_CUTB(a)::R1(G)
      • P(e);N_GUARD::QAR1(A)
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