MESON Chess Problem Database

Problem Display
PID: 225984 (8/4p3/5p1R/2R3pN/1p2k3/2r3P1/NKP2Q2/BB6 w - - 0 1)

Dikusarov, Andrey Nikolayovich

Sachova skladba, 2004

8/4p3/5p1R/2R3pN/1p2k3/2r3P1/NKP2Q2/BB6

#2

10 + 6

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Rxc2+
      • 2.Bxc2#
    • 1...Ra3
      • 2.c3#
    • 1...Rb3+
      • 2.cxb3#
    • 1...Rd3
      • 2.cxd3#
    • 1...Rxg3
      • 2.Sxg3#
    • 1...Rc4
      • 2.c3#
    • 1...b3
      • 2.Sxc3#
    • 1...g4
      • 2.Qf4#
    • 1...f5
      • 2.Re6#
    • 1...e5
      • 2.Sxf6#
    • 1...e6
      • 2.Sxf6#
  • Tries
    • 1.Qe2+?
      • 1...Re3
        • 2.Qg4#
        • 2.c3#
      • 1...Kd4!
  • Keys
    • 1.Kc1!
      • 1...Rxc2+
        • 2.Bxc2#
      • 1...Rxg3
        • 2.Sxg3#
      • 1...Rxc5
        • 2.c4#
      • 1...Ra3
        • 2.c3#
      • 1...Rb3
        • 2.cxb3#
      • 1...Rd3
        • 2.cxd3#
      • 1...Re3
        • 2.Qf5#
      • 1...Rf3
        • 2.Qd4#
      • 1...Rc4
        • 2.Qe2#
        • 2.c3#
      • 1...b3
        • 2.Sxc3#
      • 1...g4
        • 2.Qf4#
      • 1...f5
        • 2.Re6#
      • 1...e5
        • 2.Sxf6#
      • 1...e6
        • 2.Sxf6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • R(a);CHECK,OGATE,P_SPINR(a),XP(E)::B(B),XR(a)
    • R(a);OGATE::B(B)+P(E)
    • R(a);CHECK,OGATE::B(B)+P(E),XR(a)
    • R(a);OGATE::P(E),XR(a)
    • R(a);XP(G)::S(I),XR(a)
    • P(b);N_GUARD::S(C),XR(a)
    • P(d);N_GUARD::QAR1(F)
    • P(e);OGATE::R(J)
    • P(f);N_GUARD::S(I),XP(e)
  • Tries
    • Try
      • Q(F);CHECK
      • Refutation
        • K(c);P-FLIGHT
  • Actual
    • K(D);P_SPINP(E),S_FLIGHT
    • Vars
      • R(a);CHECK,OGATE,P_SPINR(a),XP(E)::B(B),XR(a)
      • R(a);N_PINP(E),XP(G)::S(I),XR(a)
      • R(a);XR(H)::B(B)+P(E)
      • R(a);N_PINP(E)::B(B)+P(E)
      • R(a);N_PINP(E)::B(B)+P(E),XR(a)
      • R(a);N_PINP(E)::P(E),XR(a)
      • R(a);N_PINP(E),SBLOCK::QAB1(F)
      • R(a);N_PINP(E),SBLOCK::QAR1(F)
      • P(b);N_GUARD::S(C),XR(a)
      • P(d);N_GUARD::QAR1(F)
      • P(e);OGATE::R(J)
      • P(f);N_GUARD::S(I),XP(e)
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