MESON Chess Problem Database

Problem Display
PID: 268643 (3q4/1pR1B3/1ppP4/2kp1N2/Q3P1p1/b1P1R1K1/2rp1N2/3bn3 w - - 0 1)

Svitek, Miroslav

Garzon-60 JT (Problemas), 2023

3q4/1pR1B3/1ppP4/2kp1N2/Q3P1p1/b1P1R1K1/2rp1N2/3bn3

#2

10 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Qxc7
      • 2.dxc7#
    • 1...Qxd6+
      • 2.Bxd6#
    • 1...Qa8
      • 2.d7#
    • 1...Qb8
      • 2.d7#
    • 1...Qc8
      • 2.d7#
    • 1...Qg8
      • 2.d7#
    • 1...Qh8
      • 2.d7#
    • 1...Rxc3
      • 2.Rxc3#
    • 1...Bc1
      • 2.Qb4#
    • 1...Bb2
      • 2.Qb4#
    • 1...Bb4
      • 2.Qxb4#
    • 1...Sg2
      • 2.Sd3#
    • 1...Sd3
      • 2.Sxd3#
    • 1...Sf3
      • 2.Sd3#
    • 1...d4
      • 2.cxd4#
    • 1...b5
      • 2.Qd4#
  • Tries
    • 1.Qb3?
      • threat
        • 2.Qxd5#
      • 1...Qxd6+
        • 2.Bxd6#
      • 1...Qxc7
        • 2.dxc7#
      • 1...Rxc3
        • 2.Rxc3#
      • 1...dxe4
        • 2.Sxe4#
      • 1...Qg8
        • 2.d7#
      • 1...d4
        • 2.Qd5#
        • 2.cxd4#
      • 1...b5!
    • 1.Qxa3+?
      • 1...Kc4
        • 2.Qb4#
      • 1...Kb5!
  • Keys
    • 1.Rd3!
      • threat
        • 2.Rxd5#
      • 1...Qxd6+
        • 2.Bxd6#
      • 1...Qxc7
        • 2.dxc7#
      • 1...Rxc3
        • 2.Rxc3#
      • 1...Sxd3
        • 2.Sxd3#
      • 1...dxe4
        • 2.Sxe4#
      • 1...Bb4
        • 2.Qxb4#
      • 1...b5
        • 2.Qd4#
      • 1...Qg8
        • 2.d7#
      • 1...d4
        • 2.cxd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 8
  • Sets
    • Q(l);N_SPINP(j),OGATE,P_PINP(H),XR(I)::B(J)+P(H),XQ(l)
    • Q(l);CHECK,OGATE,P_SPINQ(l),XP(H)::B(J),XQ(l)
    • Q(l);N_GUARD::B(J)+P(H)
    • R(c);OGATE,P_PINR(C),XP(B)::R(C),XR(c)
    • B(e);N_GUARD::QAB1(E)
    • B(e);N_GUARD::QAB1(E),XB(e)
    • S(b);N_GUARD::S(A)
    • S(b);N_GUARD::S(A),XS(b)
    • P(h);OGATE::P(B),XP(h)
    • P(i);SBLOCK::QAB1(E)
  • Tries
    • Try
      • Q(E);
      • Threat
        • QAR1(E),XP(h)
      • Vars
        • Q(l);CHECK,OGATE,P_SPINQ(l),XP(H)::B(J),XQ(l)
        • Q(l);N_SPINP(j),OGATE,P_PINP(H),XR(I)::B(J)+P(H),XQ(l)
        • R(c);OGATE,P_PINR(C),XP(B)::R(C),XR(c)
        • P(h);XP(F)::S(A),XP(h)
        • Q(l);N_GUARD::B(J)+P(H)
      • Refutation
        • P(i);
    • Try
      • Q(E);CHECK,XB(e)
      • Vars
        • K(g);P-FLIGHT::QAR1(E)
      • Refutation
        • K(g);N_SPINP(j),P-FLIGHT
  • Actual
    • R(C);
    • Threat
      • R1(C),XP(h)
    • Vars
      • Q(l);CHECK,OGATE,P_SPINQ(l),XP(H)::B(J),XQ(l)
      • Q(l);N_SPINP(j),OGATE,P_PINP(H),XR(I)::B(J)+P(H),XQ(l)
      • R(c);OGATE,P_PINR(C),XP(B)::R(C),XR(c)
      • S(b);XR(C)::S(A),XS(b)
      • P(h);XP(F)::S(A),XP(h)
      • B(e);N_GUARD::QAB1(E),XB(e)
      • P(i);SBLOCK::QAB1(E)
      • Q(l);N_GUARD::B(J)+P(H)
      • P(h);OGATE::P(B),XP(h)
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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).