MESON Chess Problem Database

Problem Display
PID: 205002 (2KR4/R1P5/8/p2p3p/P1kP1N1r/P2p4/1Qpq1r1b/1N6 w - - 0 1)

Abdullayev, Suleyman

Belgrade Internet Ty., 2017

2KR4/R1P5/8/p2p3p/P1kP1N1r/P2p4/1Qpq1r1b/1N6

#2

10 + 10

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Qc1
      • 2.Qc3#
    • 1...Qc3
      • 2.Qxc3#
    • 1...Qe3
      • 2.Qc3#
    • 1...Qxf4
      • 2.Qc3#
    • 1...Qd1
      • 2.Qc3#
    • 1...Qe2
      • 2.Qc3#
    • 1...Rf1
      • 2.Sxd2#
    • 1...Rf3
      • 2.Sxd2#
    • 1...Rfxf4
      • 2.Sxd2#
  • Tries
    • 1.Rxa5?
      • threat
        • 2.Rc5#
      • 1...Qc3
        • 2.Qxc3#
      • 1...Qb4
        • 2.Qxb4#
      • 1...Qxa5!
    • 1.Ra6?
      • threat
        • 2.Rc6#
      • 1...Qc3
        • 2.Qxc3#
      • 1...Qb4!
    • 1.Rxd5?
      • threat
        • 2.Rc5#
        • 2.Qa2#
        • 2.Qb5#
      • 1...cxb1Q
        • 2.Rc5#
      • 1...cxb1S
        • 2.Rc5#
      • 1...cxb1B
        • 2.Rc5#
      • 1...cxb1R
        • 2.Rc5#
      • 1...c1Q
        • 2.Rc5#
        • 2.Qb5#
      • 1...c1S
        • 2.Rc5#
        • 2.Qb5#
      • 1...c1B
        • 2.Rc5#
        • 2.Qb5#
      • 1...c1R
        • 2.Rc5#
        • 2.Qb5#
      • 1...Qc3
        • 2.Qxc3#
        • 2.Qb5#
      • 1...Qb4!
    • 1.Rd6?
      • threat
        • 2.Rc6#
      • 1...Qc3
        • 2.Qxc3#
      • 1...Qb4!
  • Keys
    • 1.Sxd5!
      • threat
        • 2.Sb6#
      • 1...Rxd4
        • 2.Qb5#
      • 1...Bxc7
        • 2.Rxc7#
      • 1...Qb4
        • 2.Se3#
      • 1...Qh6
        • 2.Qc3#
      • 1...Rf6
        • 2.Sxd2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 9
  • Sets
    • Q(b);N_GUARD::QAR1(B)
    • Q(b);N_GUARD::QAR1(B),XQ(b)
    • Q(b);N_GUARD,XS(F)::QAR1(B)
    • R(c);N_GUARD::S(A),XQ(b)
    • R(c);N_GUARD,XS(F)::S(A),XQ(b)
  • Tries
    • Try
      • R(G);XP(h)
      • Threat
        • R1(G)
      • Vars
        • Q(b);N_GUARD::QAR1(B),XQ(b)
      • Refutation
        • Q(b);XR(G)
    • Try
      • R(G);
      • Threat
        • R(G)
      • Vars
        • Q(b);N_GUARD::QAR1(B),XQ(b)
      • Refutation
        • Q(b);
    • Try
      • R(J);XP(i)
      • Threat
        • DUALS(3)
      • Vars
        • P(a);XS(A)::R1(J)
      • Refutation
        • Q(b);
    • Try
      • R(J);
      • Threat
        • R(J)
      • Vars
        • Q(b);N_GUARD::QAR1(B),XQ(b)
      • Refutation
        • Q(b);
  • Actual
    • S(F);XP(i)
    • Threat
      • S(F)
    • Vars
      • R(g);SBLOCK,XP(E)::QAB1(B)
      • B(d);OGATE,XP(H)::R(G),XB(d)
      • Q(b);N_GUARD::S(F)
      • Q(b);N_GUARD::QAR1(B)
      • R(c);N_GUARD::S(A),XQ(b)
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