MESON Chess Problem Database
Problem Display
PID: 144946 (3RRr2/r1pN3Q/3q1P2/n1P1P3/1KPkB3/4p3/1p2P2p/4n3 w - - 0 1)
Dobrila, Arsen
Problem (Zagreb), 1967
#2
11 + 10
SOLUTION
- SOUND
- Sets
- 1...Qxc5+
- 2.Sxc5#
- 1...Qxe5
- 2.Sxe5#
- 1...Qa6
- 2.Sb6#
- 1...Qb6+
- 2.Sxb6#
- 1...Qxf6
- 2.Sxf6#
- 1...Qxd7
- 2.Rxd7#
- 1...Qxc5+
- Keys
- 1.Qh4!
- threat
- 2.Bb1#
- 2.Bh1#
- 2.Bc2#
- 2.Bg2#
- 2.Bd3#
- 2.Bf3#
- 2.Bd5#
- 2.Bf5#
- 2.Bc6#
- 2.Bg6#
- 2.Bb7#
- 2.Bh7#
- 2.Ba8#
- 1...Qxc5+
- 2.Sxc5#
- 1...Qb6+
- 2.Sxb6#
- 1...Rb7+
- 2.Bxb7#
- 1...Sc2+
- 2.Bxc2#
- 1...Sd3+
- 2.Bxd3#
- 1...Sc6+
- 2.Bxc6#
- 1...b1Q+
- 2.Bxb1#
- 1...b1R+
- 2.Bxb1#
- 1...Qxe5
- 2.Sxe5#
- 1...Qxf6
- 2.Sxf6#
- 1...Qxd7
- 2.Bb1#
- 2.Bh1#
- 2.Bc2#
- 2.Bg2#
- 2.Bd3#
- 2.Bf3#
- 2.Bf5#
- 2.Bc6#
- 2.Bg6#
- 2.Bb7#
- 2.Bh7#
- 2.Ba8#
- 2.Rxd7#
- 1...Rxf6
- 2.Bf5#
- 1...Sxc4
- 2.Bh1#
- 2.Bg2#
- 2.Bf3#
- 2.Bc6#
- 2.Bb7#
- 2.Ba8#
- 1...b1S
- 2.Bxb1#
- 2.Bh1#
- 2.Bc2#
- 2.Bg2#
- 2.Bd3#
- 2.Bf3#
- 2.Bd5#
- 2.Bf5#
- 2.Bc6#
- 2.Bg6#
- 2.Bb7#
- 2.Bh7#
- 2.Ba8#
- 1...b1B
- 2.Bxb1#
- 2.Bc2#
- 2.Bd3#
- 1...h1Q
- 2.Bxh1#
- 1...h1S
- 2.Bb1#
- 2.Bxh1#
- 2.Bc2#
- 2.Bg2#
- 2.Bd3#
- 2.Bf3#
- 2.Bd5#
- 2.Bf5#
- 2.Bc6#
- 2.Bg6#
- 2.Bb7#
- 2.Bh7#
- 2.Ba8#
- 1...h1B
- 2.Bxh1#
- 2.Bg2#
- 2.Bf3#
- 1...h1R
- 2.Bxh1#
- 1...Qd5
- 2.Bxd5#
- 1...Qc6
- 2.Bd5#
- 2.Bxc6#
- 1...Qe6
- 2.Bf5#
- 1...Ra8
- 2.Bb1#
- 2.Bh1#
- 2.Bc2#
- 2.Bg2#
- 2.Bd3#
- 2.Bf3#
- 2.Bd5#
- 2.Bf5#
- 2.Bc6#
- 2.Bg6#
- 2.Bb7#
- 2.Bh7#
- 2.Bxa8#
- 1...Rg8
- 2.Bg6#
- 1...Rh8
- 2.Bh7#
- 1...Sg2
- 2.Bxg2#
- 1...Sf3
- 2.Bxf3#
- 1...Sb7
- 2.Bb1#
- 2.Bh1#
- 2.Bc2#
- 2.Bg2#
- 2.Bd3#
- 2.Bf3#
- 2.Bd5#
- 2.Bf5#
- 2.Bc6#
- 2.Bg6#
- 2.Bxb7#
- 2.Bh7#
- 1...c6
- 2.Bb1#
- 2.Bh1#
- 2.Bc2#
- 2.Bg2#
- 2.Bd3#
- 2.Bf3#
- 2.Bd5#
- 2.Bf5#
- 2.Bxc6#
- 2.Bg6#
- 2.Bh7#
- threat
- 1.Qh4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 15
- REMOVED MATES = 2
- Sets
- Q(g);CHECK,XP(E)::R(J)+S(H),XQ(g)
- Q(g);N_PINP(E),XP(F)::R(J)+S(H),XQ(g)
- Q(g);N_PINP(E)::R(J)+S(H)
- Q(g);CHECK,N_PINP(E)::R(J)+S(H),XQ(g)
- Q(g);N_PINP(E),XP(G)::R(J)+S(H),XQ(g)
- Q(g);N_PINP(E),OGATE,P_SPINQ(g),XS(H)::R(J),XQ(g)
- Actual
- Q(I);
- Threat
- DUALS(13)
- Vars
- Q(g);CHECK,XP(E)::R(J)+S(H),XQ(g)
- Q(g);CHECK,N_PINP(E)::R(J)+S(H),XQ(g)
- R(h);CHECK::QAR(I)+B(D),XR(h)
- S(a);CHECK::QAR(I)+B(D),XS(a)
- S(f);CHECK::QAR(I)+B(D),XS(f)
- P(b);CHECK::QAR(I)+B(D),XQ(b)
- P(b);CHECK::QAR(I)+B(D),XR(b)
- Q(g);N_PINP(E),XP(F)::R(J)+S(H),XQ(g)
- Q(g);N_PINP(E),XP(G)::R(J)+S(H),XQ(g)
- R(j);XP(G)::QAR(I)+B(D)
- P(c);::QAR(I)+B(D),XQ(c)
- P(c);::QAR(I)+B(D),XR(c)
- Q(g);N_PINP(E)::QAR(I)+B(D),XQ(g)
- Q(g);N_PINP(E)::QAR(I)+B(D)
- R(j);::QAR(I)+B(D)
- S(a);::QAR(I)+B(D),XS(a)
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).