MESON Chess Problem Database
Problem Display
PID: 252659 (3R2K1/1p6/3PpPQ1/4k2N/pN4Rp/2P2pq1/r6B/2b1r3 w - - 0 1)
Salai (Jr), Ladislav
Zadachi i Etyudi, 2005
#2
10 + 10
SOLUTION
- SOUND
- Sets
- 1...Qf4
- 2.Rg5#
- 1...Rd1
- 2.Re4#
- 2.Qe4#
- 1...Rf1
- 2.Re4#
- 2.Qe4#
- 1...Rg1
- 2.Re4#
- 2.Qe4#
- 1...Rh1
- 2.Re4#
- 2.Qe4#
- 1...Re3
- 2.Rg5#
- 2.Qg5#
- 1...Re4
- 2.Rxe4#
- 2.Qxe4#
- 1...Rd2
- 2.Rg5#
- 2.Qg5#
- 1...Bb2
- 2.Rg5#
- 2.Qg5#
- 1...Ba3
- 2.Rg5#
- 2.Qg5#
- 1...Be3
- 2.Re4#
- 2.Qe4#
- 1...Bg5
- 2.Rxg5#
- 2.Qxg5#
- 1...Qf4
- Tries
- 1.Bxg3+?
- 1...Bf4
- 2.Bxf4#
- 2.Rg5#
- 1...hxg3!
- 1...Bf4
- 1.Rc4?
- threat
- 2.Rc5#
- 1...Rd1
- 2.Re4#
- 1...Rd2
- 2.Qg5#
- 1...Be3
- 2.Re4#
- 1...b6!
- threat
- 1.Qd3?
- threat
- 2.Qb5#
- 1...Qf4
- 2.Rg5#
- 1...Rd1
- 2.Qe4#
- 1...Rd2
- 2.Rg5#
- 1...Be3
- 2.Qe4#
- 1...b5
- 2.Sc6#
- 2.Qxb5#
- 1...Bf4!
- threat
- 1.f7?
- threat
- 2.Qf6#
- 1...Qf4
- 2.Rg5#
- 1...Bg5
- 2.Rxg5#
- 2.Qxg5#
- 1...Bf4!
- threat
- 1.Bxg3+?
- Keys
- 1.Rd4!
- threat
- 2.Sd3#
- 1...Rd1
- 2.Re4#
- 1...Re3
- 2.Qg5#
- 1...Rd2
- 2.Qg5#
- threat
- 1.Rd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- Q(e);S_CUTB(a)::R(D)
- Tries
- Try
- B(A);CHECK,XQ(e)
- Refutation
- P(g);XB(A)
- Try
- R(D);P_SPINQ(H)
- Threat
- R(D)
- Vars
- R(b);N_GUARD::R1(D)
- R(c);S_CUTB(a)::QAR2(H)
- B(a);S_CUTR(b)::R1(D)
- Refutation
- P(j);
- Try
- Q(H);P_SPINR(D)
- Threat
- QAR(H)
- Vars
- Q(e);N_PINR(D),S_CUTB(a)::R(D)
- R(b);N_GUARD::QAR1(H)
- R(c);S_CUTB(a)::R(D)
- B(a);S_CUTR(b)::QAR1(H)
- Refutation
- B(a);N_SPINQ(e)
- Try
- P(G);
- Threat
- QAB1(H)
- Vars
- Q(e);S_CUTB(a)::R(D)
- Refutation
- B(a);N_SPINQ(e)
- Try
- Actual
- R(D);P_SPINQ(H)
- Threat
- S(C)
- Vars
- R(b);N_GUARD::R1(D)
- R(b);S_CUTB(a)::QAR2(H)
- R(c);S_CUTB(a)::QAR2(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).