MESON Chess Problem Database
Problem Display
PID: 59255 (4N3/3pQ1Pp/n2P3q/1K1kB2r/2R1bp2/1p5r/1pp1N1p1/6b1 w - - 0 1)
Csandli, Kalman
1st Comm., Magyar Sakkelet, 1951
#2
8 + 14
SOLUTION
- SOUND
- Sets
- 1...Qxg7
- 2.Sxf4#
- 1...Qxd6
- 2.Sxf4#
- 2.Qxd6#
- 1...Qf6
- 2.Sxf6#
- 1...Qg6
- 2.Sxf4#
- 1...Rh1
- 2.Sc3#
- 1...Rh2
- 2.Sc3#
- 1...Rc3
- 2.Sxc3#
- 1...Re3
- 2.Rd4#
- 1...R3h4
- 2.Sc3#
- 1...Rg5
- 2.Sxf4#
- 1...Bh2
- 2.Rd4#
- 1...Be3
- 2.Sc3#
- 1...Bd4
- 2.Rxd4#
- 1...Bd3
- 2.Sc3#
- 1...Bf3
- 2.Sc3#
- 1...Bg6
- 2.Sf6#
- 1...Sb4
- 2.Sc7#
- 1...Sc5
- 2.Sc7#
- 1...Sc7+
- 2.Sxc7#
- 1...Sb8
- 2.Sc7#
- 1...f3
- 2.Sc3#
- 1...Qxg7
- Tries
- 1.Bf6?
- threat
- 2.Qxe4#
- 2.Qf7#
- 2.g8Q#
- 2.g8B#
- 1...Sc7+
- 2.Sxc7#
- 1...Qxg7
- 2.Sxf4#
- 2.Qxe4#
- 1...Qxf6
- 2.Sxf6#
- 2.Qxe4#
- 1...b1Q
- 2.Qxe4#
- 2.Qf7#
- 2.g8Q#
- 2.g8B#
- 1...b1S
- 2.Qxe4#
- 2.Qf7#
- 2.g8Q#
- 2.g8B#
- 1...b1B
- 2.Qxe4#
- 2.Qf7#
- 2.g8Q#
- 2.g8B#
- 1...b1R
- 2.Qxe4#
- 2.Qf7#
- 2.g8Q#
- 2.g8B#
- 1...c1Q
- 2.Qxe4#
- 2.Qf7#
- 2.g8Q#
- 2.g8B#
- 1...c1S
- 2.Qxe4#
- 2.Qf7#
- 2.g8Q#
- 2.g8B#
- 1...c1B
- 2.Qxe4#
- 2.Qf7#
- 2.g8Q#
- 2.g8B#
- 1...c1R
- 2.Qxe4#
- 2.Qf7#
- 2.g8Q#
- 2.g8B#
- 1...Qg5
- 2.Qxe4#
- 2.Qf7#
- 1...Qg6
- 2.Sxf4#
- 1...Rh1
- 2.Sc3#
- 2.Qxe4#
- 2.Qf7#
- 2.g8Q#
- 2.g8B#
- 1...Rh2
- 2.Sc3#
- 2.Qxe4#
- 2.Qf7#
- 2.g8Q#
- 2.g8B#
- 1...Rc3
- 2.Sxc3#
- 2.Qxe4#
- 2.Qf7#
- 2.g8Q#
- 2.g8B#
- 1...Rd3
- 2.Qxe4#
- 2.Qf7#
- 2.g8Q#
- 2.g8B#
- 1...Re3
- 2.Rd4#
- 2.Qf7#
- 2.g8Q#
- 2.g8B#
- 1...Rf3
- 2.Qxe4#
- 2.Qf7#
- 2.g8Q#
- 2.g8B#
- 1...Rg3
- 2.Qxe4#
- 2.Qf7#
- 1...R3h4
- 2.Sc3#
- 2.Qxe4#
- 2.Qf7#
- 2.g8Q#
- 2.g8B#
- 1...R5h4
- 2.Qxe4#
- 2.Qe5#
- 2.Qf7#
- 2.g8Q#
- 2.g8B#
- 1...Re5
- 2.Qxe5#
- 1...Rf5
- 2.Qxe4#
- 2.Qf7#
- 2.g8Q#
- 2.g8B#
- 1...Rg5
- 2.Sxf4#
- 2.Qxe4#
- 2.Qf7#
- 1...Bf2
- 2.Qxe4#
- 2.Qf7#
- 2.g8Q#
- 2.g8B#
- 1...Bh2
- 2.Rd4#
- 2.Qxe4#
- 2.Qf7#
- 2.g8Q#
- 2.g8B#
- 1...Be3
- 2.Sc3#
- 2.Qxe4#
- 2.Qf7#
- 2.g8Q#
- 2.g8B#
- 1...Bd4
- 2.Rxd4#
- 2.Qf7#
- 2.g8Q#
- 2.g8B#
- 1...Bc5
- 2.Qxe4#
- 2.Qf7#
- 2.g8Q#
- 2.g8B#
- 1...Bb6
- 2.Qxe4#
- 2.Qf7#
- 2.g8Q#
- 2.g8B#
- 1...Ba7
- 2.Qxe4#
- 2.Qf7#
- 2.g8Q#
- 2.g8B#
- 1...Bd3
- 2.Sc3#
- 2.Qf7#
- 2.g8Q#
- 2.g8B#
- 1...Bf3
- 2.Sc3#
- 2.Qf7#
- 2.g8Q#
- 2.g8B#
- 1...Bf5
- 2.Qe5#
- 1...Sb4
- 2.Sc7#
- 2.Qxe4#
- 2.Qf7#
- 2.g8Q#
- 2.g8B#
- 1...Sc5
- 2.Sc7#
- 1...Sb8
- 2.Sc7#
- 2.Qxe4#
- 2.Qf7#
- 2.g8Q#
- 2.g8B#
- 1...f3
- 2.Sc3#
- 2.Qxe4#
- 2.Qf7#
- 2.g8Q#
- 2.g8B#
- 1...Bg6!
- threat
- 1.Rc5+?
- 1...Sxc5
- 2.Sc7#
- 1...Bxc5!
- 1...Sxc5
- 1.Bf6?
- Keys
- 1.Bxb2!
- threat
- 2.Qxe4#
- 1...Sc7+
- 2.Sxc7#
- 1...Qe6
- 2.Sxf4#
- 1...Qg6
- 2.Sxf4#
- 1...Re3
- 2.Rd4#
- 1...Re5
- 2.Qxe5#
- 1...Bd4
- 2.Rxd4#
- 1...Bd3
- 2.Sc3#
- 1...Bf3
- 2.Sc3#
- 1...Bf5
- 2.Qe5#
- 1...Bg6
- 2.Sf6#
- 1...Sc5
- 2.Sc7#
- threat
- 1.Bxb2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 12
- Sets
- Q(l);N_GUARD,XP(G)::S(A),XP(h)
- Q(l);N_GUARD::S(H),XQ(l)
- Q(l);N_GUARD::S(A),XP(h)
- R(f);N_GUARD::S(A)
- R(f);N_GUARD::S(A),XR(f)
- R(f);S_CUTB(a)::R1(B)
- R(j);S_CUTQ(l)::S(A),XP(h)
- B(a);N_GUARD::R1(B)
- B(a);S_CUTR(f)::S(A)
- B(a);N_GUARD::R1(B),XB(a)
- B(g);P_PINR(B),S_CUTR(f)::S(A)
- B(g);S_CUTR(f)::S(A)
- B(g);S_CUTQ(l)::S(H)
- S(k);N_GUARD::S(H)
- S(k);CHECK,N_GUARD::S(H),XS(k)
- P(h);S_CUTR(f)::S(A)
- Tries
- Try
- B(D);
- Threat
- DUALS(4)
- Vars
- S(k);CHECK,N_GUARD::S(H),XS(k)
- Q(l);N_GUARD::S(A),XP(h)
- R(j);N_GUARD::QAR1(F),XR(j)
- B(g);S_CUTR(j)::QAR1(F)
- S(k);N_GUARD::S(H)
- Refutation
- B(g);
- Try
- R(B);CHECK
- Vars
- S(k);XR(B)::S(H)
- Refutation
- B(a);XR(B)
- Try
- Actual
- B(D);XP(b)
- Threat
- QAB1(F),XB(g)
- Vars
- S(k);CHECK,N_GUARD::S(H),XS(k)
- Q(l);N_GUARD::S(A),XP(h)
- R(f);S_CUTB(a)::R1(B)
- R(j);N_GUARD::QAR1(F),XR(j)
- B(a);N_GUARD::R1(B),XB(a)
- B(g);P_PINR(B),S_CUTR(f)::S(A)
- B(g);S_CUTR(f)::S(A)
- B(g);S_CUTR(j)::QAR1(F)
- B(g);S_CUTQ(l)::S(H)
- S(k);N_GUARD::S(H)
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).