MESON Chess Problem Database

Problem Display
PID: 137925 (QR6/R2p4/1PrP1K2/1pNk1P2/1P2p1p1/2P3r1/4N2B/7B w - - 0 1)

Mladenovic, Slobodan

Nova Macedonia TT, 0000

QR6/R2p4/1PrP1K2/1pNk1P2/1P2p1p1/2P3r1/4N2B/7B

#2

13 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd6
      • 2.Rxd7#
  • Tries
    • 1.Sxg3?
      • 1...Kxd6
        • 2.Rxd7#
      • 1...Kc4!
    • 1.Sf4+?
      • 1...Kxd6
        • 2.Sxe4#
        • 2.Sb7#
        • 2.Rxd7#
      • 1...Kc4!
    • 1.Bxe4+?
      • 1...Kxd6
        • 2.Sb7#
        • 2.Bxg3#
        • 2.Rxd7#
      • 1...Kc4!
    • 1.Ra1?
      • 1...Kc4
        • 2.Qa2#
      • 1...Kxd6
        • 2.Rd1#
      • 1...Rg1
        • 2.Qa2#
      • 1...Rg2
        • 2.Qa2#
      • 1...Rd3
        • 2.Qa2#
      • 1...Re3
        • 2.Qa2#
      • 1...Rf3
        • 2.Qa2#
      • 1...Rh3
        • 2.Qa2#
      • 1...Rxc3!
    • 1.Rc7?
      • 1...Kc4
        • 2.Qa2#
      • 1...Kxd6
        • 2.Rxd7#
      • 1...Rg1
        • 2.Qa2#
      • 1...Rg2
        • 2.Qa2#
      • 1...Rd3
        • 2.Qa2#
      • 1...Re3
        • 2.Qa2#
      • 1...Rf3
        • 2.Qa2#
      • 1...Rh3
        • 2.Qa2#
      • 1...Rxc3!
    • 1.Rxd7?
      • threat
        • 2.Qa2#
      • 1...Kc4
        • 2.Qa2#
      • 1...Rxc3!
  • Keys
    • 1.Rh8!
      • 1...Kc4
        • 2.Qg8#
      • 1...Kxd6
        • 2.Rxd7#
      • 1...Rxc3
        • 2.Qg8#
      • 1...Rg1
        • 2.Qg8#
      • 1...Rg2
        • 2.Qg8#
      • 1...Rd3
        • 2.Qg8#
      • 1...Re3
        • 2.Qg8#
      • 1...Rf3
        • 2.Qg8#
      • 1...Rh3
        • 2.Qg8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • K(e);N_SPINP(b),N_SPINR(f),OGATEB,P-FLIGHT,P_SPINR(a),XP(I)::R1(K),XP(g)
  • Tries
    • Try
      • S(B);XR(a)
      • Vars
        • K(e);N_SPINP(b),N_SPINR(f),OGATEB,P-FLIGHT,XP(I)::R1(K),XP(g)
      • Refutation
        • K(e);N_SPINP(b),N_SPINR(f),S_FLIGHT
    • Try
      • S(B);CHECK
      • Refutation
        • K(e);N_SPINP(b),N_SPINR(f),S_FLIGHT
    • Try
      • B(A);CHECK,XP(b)
      • Refutation
        • K(e);N_SPINR(f),S_FLIGHT
    • Try
      • R(K);
      • Vars
        • K(e);N_SPINP(b),N_SPINR(f),S_FLIGHT::QAB(L)
        • K(e);N_SPINP(b),N_SPINR(f),P-FLIGHT,P_SPINR(a),XP(I)::R(K)
        • R(a);::QAB(L)
        • R(a);N_SPINP(b)::QAB(L)
        • R(a);N_PINP(I),N_SPINP(b),P_PINP(G)::QAB(L)
      • Refutation
        • R(a);XP(D)
    • Try
      • R(K);
      • Vars
        • K(e);N_SPINP(b),N_SPINR(f),S_FLIGHT::QAB(L)
        • K(e);N_SPINP(b),N_SPINR(f),OGATEB,P-FLIGHT,P_SPINR(a),XP(I)::R1(K),XP(g)
        • R(a);::QAB(L)
        • R(a);N_SPINP(b)::QAB(L)
        • R(a);N_PINP(I),N_SPINP(b),P_PINP(G)::QAB(L)
      • Refutation
        • R(a);XP(D)
    • Try
      • R(K);XP(g)
      • Threat
        • QAB(L)
      • Vars
        • K(e);N_SPINP(b),N_SPINR(f),S_FLIGHT::QAB(L)
      • Refutation
        • R(a);XP(D)
  • Actual
    • R(M);
    • Vars
      • K(e);N_SPINP(b),N_SPINR(f),S_FLIGHT::QAB(L)
      • K(e);N_SPINP(b),N_SPINR(f),OGATEB,P-FLIGHT,P_SPINR(a),XP(I)::R1(K),XP(g)
      • R(a);XP(D)::QAB(L)
      • R(a);::QAB(L)
      • R(a);N_SPINP(b)::QAB(L)
      • R(a);N_PINP(I),N_SPINP(b),P_PINP(G)::QAB(L)
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Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).