MESON Chess Problem Database

Problem Display
PID: 161713 (BR6/1np5/2p5/8/kPR5/p1r5/p1P5/K2QB3 w - - 0 1)

Thomas, Georg

Thema Danicum, 1977

BR6/1np5/2p5/8/kPR5/p1r5/p1P5/K2QB3

#2

8 + 7

15601 Albrecht-Leiss-Degener Collection 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Sc5
      • 2.Bxc6#
  • Tries
    • 1.Rxb7?
      • 1...Rxc2
        • 2.Qxc2#
      • 1...Rxc4
        • 2.c3#
      • 1...Rb3
        • 2.cxb3#
      • 1...Rd3
        • 2.cxd3#
        • 2.b5#
      • 1...Re3
        • 2.c3#
        • 2.b5#
      • 1...Rf3
        • 2.c3#
        • 2.b5#
      • 1...Rg3
        • 2.c3#
        • 2.b5#
      • 1...Rh3
        • 2.c3#
        • 2.b5#
      • 1...c5!
  • Keys
    • 1.Rc5!
      • 1...Kxb4
        • 2.Qd4#
      • 1...Rxc2
        • 2.Qxc2#
      • 1...Rxc5
        • 2.c4#
      • 1...Sxc5
        • 2.Bxc6#
      • 1...Rb3
        • 2.cxb3#
      • 1...Rd3
        • 2.cxd3#
      • 1...Re3
        • 2.c3#
      • 1...Rf3
        • 2.c3#
      • 1...Rg3
        • 2.c3#
      • 1...Rh3
        • 2.c3#
      • 1...Rc4
        • 2.c3#
      • 1...Sa5
        • 2.Rxa5#
      • 1...Sd6
        • 2.Ra5#
      • 1...Sd8
        • 2.Ra5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 13
    • REMOVED MATES = 0
  • Sets
    • S(f);OGATE::B(G),XP(e)
  • Tries
    • Try
      • R(H);XS(f)
      • Vars
        • R(c);OGATE,P_SPINR(c),XP(D)::QAB(B),XR(c)
        • R(c);OGATE,XR(F)::QAB(B)+P(D)
        • R(c);OGATE::P(D),XR(c)
      • Refutation
        • P(e);
  • Actual
    • R(F);
    • Vars
      • K(d);OGATEB,P-FLIGHT,P_SPINR(c),P_SPINS(f),XP(E)::QAR2(B)
      • R(c);OGATE,P_SPINR(c),XP(D)::QAB(B),XR(c)
      • R(c);OGATE,XR(F)::QAB(B)+P(D)
      • S(f);OGATE,XR(F)::B(G),XP(e)
      • R(c);OGATE::P(D),XR(c)
      • R(c);OGATE::QAB(B)+P(D),XR(c)
      • R(c);OGATE::QAB(B)+P(D)
      • R(c);OGATE,SBLOCK::QAB(B)+P(D)
      • S(f);N_GUARD::R1(F),XS(f)
      • S(f);N_GUARD::R1(F)
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