MESON Chess Problem Database
Problem Display
PID: 144563 (8/4p2p/2p1Q1nP/1p1pbKP1/1B1k2Pp/1p2N2R/1p1N4/1Bn5 w - - 0 1)
Dulcsan, Geza
Magyar Sakkvilag, 1931
#2
10 + 12
SOLUTION
- SOUND
- Sets
- 1...Bh2
- 2.Sf3#
- 1...Bg3
- 2.Sf3#
- 1...Bf4
- 2.Sf3#
- 1...Bd6
- 2.Sf3#
- 1...Bf6
- 2.Sf3#
- 1...Bc7
- 2.Sf3#
- 1...Bg7
- 2.Sf3#
- 1...Bb8
- 2.Sf3#
- 1...Bh8
- 2.Sf3#
- 1...Sa2
- 2.Sxb3#
- 1...Se2
- 2.Sxb3#
- 1...Sd3
- 2.Sxb3#
- 1...Sf4
- 2.Qxe5#
- 1...Sf8
- 2.Qxe5#
- 1...Sh8
- 2.Qxe5#
- 1...c5
- 2.Qxd5#
- 1...Bh2
- Tries
- 1.Se4?
- threat
- 2.Bc3#
- 2.Bc5#
- 1...Bg3
- 2.Bc5#
- 1...Bd6
- 2.Bc3#
- 1...Sa2
- 2.Bc5#
- 1...Se2
- 2.Bc5#
- 1...Sd3
- 2.Bc3#
- 1...c5
- 2.Bc3#
- 2.Bxc5#
- 2.Qxd5#
- 1...dxe4!
- threat
- 1.Sd1?
- 1...Bh2
- 2.Qe3#
- 1...Bg3
- 2.Qe3#
- 1...Bd6
- 2.Qe3#
- 1...Bf6
- 2.Qe3#
- 1...Bc7
- 2.Qe3#
- 1...Bg7
- 2.Qe3#
- 1...Bb8
- 2.Qe3#
- 1...Bh8
- 2.Qe3#
- 1...Sa2
- 2.Rd3#
- 1...Se2
- 2.Rd3#
- 1...Sd3
- 2.Rxd3#
- 1...Sf4
- 2.Qxe5#
- 1...Sf8
- 2.Qxe5#
- 1...Sh8
- 2.Qxe5#
- 1...c5
- 2.Bc3#
- 1...Bf4!
- 1...Bh2
- 1.Sef1?
- 1...Bh2
- 2.Qe3#
- 1...Bg3
- 2.Qe3#
- 1...Bd6
- 2.Qe3#
- 1...Bf6
- 2.Qe3#
- 1...Bc7
- 2.Qe3#
- 1...Bg7
- 2.Qe3#
- 1...Bb8
- 2.Qe3#
- 1...Bh8
- 2.Qe3#
- 1...Sa2
- 2.Rd3#
- 1...Se2
- 2.Rd3#
- 1...Sd3
- 2.Rxd3#
- 1...Sf4
- 2.Qxe5#
- 1...Sf8
- 2.Qxe5#
- 1...Sh8
- 2.Qxe5#
- 1...c5
- 2.Bc3#
- 1...Bf4!
- 1...Bh2
- 1.Sg2?
- 1...Bh2
- 2.Qe3#
- 1...Bg3
- 2.Qe3#
- 1...Bd6
- 2.Qe3#
- 1...Bf6
- 2.Qe3#
- 1...Bc7
- 2.Qe3#
- 1...Bg7
- 2.Qe3#
- 1...Bb8
- 2.Qe3#
- 1...Bh8
- 2.Qe3#
- 1...Sa2
- 2.Rd3#
- 1...Se2
- 2.Rd3#
- 1...Sd3
- 2.Rxd3#
- 1...Sf4
- 2.Qxe5#
- 1...Sf8
- 2.Qxe5#
- 1...Sh8
- 2.Qxe5#
- 1...c5
- 2.Bc3#
- 1...Bf4!
- 1...Bh2
- 1.Qxc6?
- threat
- 2.Bc3#
- 2.Qxd5#
- 2.Qc3#
- 2.Qc5#
- 2.Qb6#
- 1...Bg3
- 2.Qc3#
- 2.Qc5#
- 2.Qb6#
- 1...Bd6
- 2.Bc3#
- 2.Qxd5#
- 2.Qc3#
- 1...Bc7
- 2.Bc3#
- 2.Qxd5#
- 2.Qc3#
- 2.Qc5#
- 1...Sa2
- 2.Sxb3#
- 2.Qxd5#
- 2.Qc5#
- 2.Qb6#
- 1...Se2
- 2.Sxb3#
- 2.Qxd5#
- 2.Qc5#
- 2.Qb6#
- 1...Sd3
- 2.Sxb3#
- 2.Bc3#
- 2.Qxd5#
- 2.Qc3#
- 1...Sf4
- 2.Bc3#
- 2.Qc3#
- 2.Qc5#
- 2.Qb6#
- 1...e6+!
- threat
- 1.Qxe7?
- threat
- 2.Qc5#
- 1...Bd6
- 2.Sf3#
- 1...Sd3
- 2.Sxb3#
- 1...c5
- 2.Qxc5#
- 1...Sxe7+!
- threat
- 1.Se4?
- Keys
- 1.Sxd5!
- 1...cxd5
- 2.Qb6#
- 1...Bf4
- 2.Qe4#
- 1...Bh2
- 2.Qe4#
- 1...Bg3
- 2.Qe4#
- 1...Bd6
- 2.Qe4#
- 1...Bf6
- 2.Qe4#
- 1...Bc7
- 2.Qe4#
- 1...Bg7
- 2.Qe4#
- 1...Bb8
- 2.Qe4#
- 1...Bh8
- 2.Qe4#
- 1...Sa2
- 2.Rd3#
- 1...Se2
- 2.Rd3#
- 1...Sd3
- 2.Rxd3#
- 1...Sf4
- 2.Qxe5#
- 1...Sf8
- 2.Qxe5#
- 1...Sh8
- 2.Qxe5#
- 1...c5
- 2.Bc3#
- 1...cxd5
- 1.Sxd5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 13
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(h);::S(B)
- S(a);N_GUARD::S(B),XP(c)
- S(j);N_GUARD::QAB1(I),XB(h)
- P(i);N_GUARD::QAR1(I),XP(g)
- Tries
- Try
- S(B);
- Threat
- DUALS(2)
- Vars
- B(h);::B(E)
- S(a);::B(E)
- Refutation
- P(g);XS(B)
- Try
- S(C);
- Vars
- B(h);OGATE::QAB1(I)
- S(a);N_GUARD::R1(D)
- S(a);N_GUARD::R1(D),XS(a)
- S(j);N_GUARD::QAB1(I),XB(h)
- P(i);SBLOCK::B(E)
- Refutation
- B(h);
- Try
- S(C);
- Vars
- B(h);OGATE::QAB1(I)
- S(a);N_GUARD::R1(D)
- S(a);N_GUARD::R1(D),XS(a)
- S(j);N_GUARD::QAB1(I),XB(h)
- P(i);SBLOCK::B(E)
- Refutation
- B(h);
- Try
- S(C);
- Vars
- B(h);OGATE::QAB1(I)
- S(a);N_GUARD::R1(D)
- S(a);N_GUARD::R1(D),XS(a)
- S(j);N_GUARD::QAB1(I),XB(h)
- P(i);SBLOCK::B(E)
- Refutation
- B(h);
- Try
- Q(I);XP(i)
- Threat
- DUALS(5)
- Refutation
- P(k);CHECK
- Try
- Q(I);XP(k)
- Threat
- QAB1(I)
- Vars
- B(h);::S(B)
- S(a);N_GUARD::S(B),XP(c)
- P(i);::QAB1(I),XP(i)
- Refutation
- S(j);CHECK,XQ(I)
- Try
- Actual
- S(C);XP(g)
- Vars
- P(i);OGATE,SBLOCK,XS(C)::QAB(I)
- B(h);OGATE::QAR1(I)
- S(a);N_GUARD::R1(D)
- S(a);N_GUARD::R1(D),XS(a)
- S(j);N_GUARD::QAB1(I),XB(h)
- P(i);SBLOCK::B(E)
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).