MESON Chess Problem Database

Problem Display
PID: 47702 (7B/K3N1qr/1p1P4/1P1B2R1/3k1pN1/bP1r2p1/2Qnn3/4R3 w - - 0 1)

Banaszek, Marcin

1st Prize, Polish Chess Federation JT, 1986

7B/K3N1qr/1p1P4/1P1B2R1/3k1pN1/bP1r2p1/2Qnn3/4R3

#2

11 + 10

3297 FIDE Album (1986-1988) 1995

SOLUTION

  • SOUND
  • Sets
    • 1...Qe5
      • 2.Bxe5#
    • 1...Qf6
      • 2.Bxf6#
    • 1...Rh1
      • 2.Bxg7#
    • 1...Rh2
      • 2.Bxg7#
    • 1...Rh3
      • 2.Bxg7#
    • 1...Rh4
      • 2.Bxg7#
    • 1...Rh5
      • 2.Bxg7#
    • 1...Sb1
      • 2.Qc4#
    • 1...Sf1
      • 2.Qc4#
    • 1...Sxb3
      • 2.Qc4#
    • 1...Sf3
      • 2.Qc4#
    • 1...Sc4
      • 2.Qxc4#
    • 1...Se4
      • 2.Qc4#
  • Tries
    • 1.Kxb6?
      • threat
        • 2.Sc6#
      • 1...Bc5+
        • 2.Qxc5#
      • 1...Sc4+
        • 2.Qxc4#
      • 1...Qe5
        • 2.Bxe5#
      • 1...Rc3!
    • 1.Bf3?
      • threat
        • 2.Rd5#
      • 1...Sxf3
        • 2.Qc4#
      • 1...Qe5
        • 2.Bxe5#
      • 1...Rh5
        • 2.Bxg7#
      • 1...Sc3!
    • 1.Bc4?
      • threat
        • 2.Qxd3#
      • 1...Ke4
        • 2.Qxd3#
      • 1...Rxb3
        • 2.Rd5#
      • 1...Sxc4
        • 2.Qxc4#
      • 1...Rc3
        • 2.Rd5#
      • 1...Re3
        • 2.Rd5#
      • 1...Rf3
        • 2.Rd5#
      • 1...Sc1
        • 2.Rd5#
      • 1...Qe5!
  • Keys
    • 1.Bb7!
      • threat
        • 2.Sf5#
      • 1...Sc3
        • 2.Sc6#
      • 1...Rc3
        • 2.Rd5#
      • 1...Sc4
        • 2.Qxc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 12
  • Sets
    • Q(i);OGATE::B(K),XQ(i)
    • R(j);N_GUARD::B(K),XQ(i)
    • S(a);N_GUARD::QAR1(B)
    • S(a);N_GUARD,XP(C)::QAR1(B)
    • S(a);N_GUARD::QAR1(B),XS(a)
  • Tries
    • Try
      • K(I);N_SPINS(J),S_FLIGHT,XP(h)
      • Threat
        • S(J)
      • Vars
        • B(c);CHECK,N_GUARD::QAB1(B),XB(c)
        • S(a);CHECK,N_GUARD::QAR1(B),XS(a)
        • Q(i);OGATE::B(K),XQ(i)
      • Refutation
        • R(d);
    • Try
      • B(F);
      • Threat
        • R1(G)
      • Vars
        • S(a);N_GUARD,XB(F)::QAR1(B)
        • Q(i);OGATE::B(K),XQ(i)
        • R(j);N_GUARD::B(K),XQ(i)
      • Refutation
        • S(b);
    • Try
      • B(F);
      • Threat
        • QAR1(B),XR(d)
      • Vars
        • K(f);N_SPINQ(i),P-FLIGHT,P_SPINR(d),P_SPINS(b)::QAB1(B),XR(d)
        • R(d);XP(C)::R1(G)
        • S(a);OGATE,XB(F)::QAR1(B),XS(a)
        • R(d);::R1(G)
        • S(b);::R1(G)
      • Refutation
        • Q(i);
  • Actual
    • B(F);N_SPINS(J)
    • Threat
      • S(J)
    • Vars
      • S(b);::S(J)
      • R(d);::R1(G)
      • S(a);N_GUARD::QAR1(B),XS(a)
HTML5 logo

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).