MESON Chess Problem Database

Problem Display
PID: 205107 (3b4/2PBPp2/1P3B2/n2k4/1P2N3/3P4/pPpp2K1/RRQ5 w - - 0 1)

Abramenko, Aleksey

01. YCCC, 2016

3b4/2PBPp2/1P3B2/n2k4/1P2N3/3P4/pPpp2K1/RRQ5

#2

13 + 7

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...axb1Q
      • 2.Rxa5#
    • 1...axb1S
      • 2.Rxa5#
    • 1...axb1B
      • 2.Rxa5#
    • 1...axb1R
      • 2.Rxa5#
    • 1...cxb1Q
      • 2.Qc5#
    • 1...cxb1S
      • 2.Qc5#
    • 1...cxb1B
      • 2.Qc5#
    • 1...cxb1R
      • 2.Qc5#
    • 1...d1Q
      • 2.Qg5#
    • 1...d1S
      • 2.Qg5#
    • 1...d1B
      • 2.Qg5#
    • 1...d1R
      • 2.Qg5#
  • Tries
    • 1.Qg1?
      • threat
        • 2.Qd4#
        • 2.Qc5#
      • 1...Bxe7
        • 2.Qd4#
      • 1...c1Q
        • 2.Qd4#
      • 1...c1R
        • 2.Qd4#
      • 1...Sc6
        • 2.Qc5#
      • 1...Sb7
        • 2.Qd4#
      • 1...Sb3!
    • 1.Qxc2?
      • threat
        • 2.Qc5#
      • 1...Sb3
        • 2.Qxb3#
        • 2.Qc4#
        • 2.Qc6#
      • 1...Sc4
        • 2.Qxc4#
        • 2.dxc4#
      • 1...Sb7
        • 2.Qb3#
        • 2.Qc4#
        • 2.Qc6#
      • 1...Bxe7!
    • 1.e8Q?
      • threat
        • 2.Qxf7#
        • 2.Qe5#
      • 1...Bxc7
        • 2.Qxf7#
      • 1...Be7
        • 2.Qxf7#
      • 1...Sc4
        • 2.Bc6#
        • 2.Qxf7#
      • 1...Sc6
        • 2.Bxc6#
        • 2.Qxf7#
      • 1...Bxf6!
    • 1.e8S?
      • threat
        • 2.Sc3#
      • 1...axb1S
        • 2.Rxa5#
      • 1...cxb1S
        • 2.Qc5#
      • 1...d1S
        • 2.Qg5#
      • 1...Bxf6!
  • Keys
    • 1.c8S!
      • threat
        • 2.Sc3#
      • 1...axb1S
        • 2.Rxa5#
      • 1...cxb1S
        • 2.Qc5#
      • 1...d1S
        • 2.Qg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 9
  • Sets
    • P(a);OGATE,XR(B)::R(A),XS(d)
    • P(b);OGATE,XR(B)::QAR1(C)
    • P(c);OGATE::QAR(C)
  • Tries
    • Try
      • Q(C);
      • Threat
        • DUALS(2)
      • Vars
        • B(g);XP(M)::QAR1(C)
        • P(b);::QAR1(C)
        • S(d);::QAR1(C)
      • Refutation
        • S(d);
    • Try
      • Q(C);XP(b)
      • Threat
        • QAR1(C)
      • Refutation
        • B(g);XP(M)
    • Try
      • P(M);
      • Threat
        • DUALS(2)
      • Vars
        • B(g);XP(K)::QAB(M),XP(f)
        • B(g);::QAB(M),XP(f)
      • Refutation
        • B(g);XB(J)
    • Try
      • P(M);
      • Threat
        • S(H)
      • Vars
        • P(a);OGATE,XR(B)::R(A),XS(d)
        • P(b);OGATE,XR(B)::QAR1(C)
        • P(c);OGATE::QAR(C)
      • Refutation
        • B(g);XB(J)
  • Actual
    • P(K);
    • Threat
      • S(H)
    • Vars
      • P(a);OGATE,XR(B)::R(A),XS(d)
      • P(b);OGATE,XR(B)::QAR1(C)
      • P(c);OGATE::QAR(C)
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