MESON Chess Problem Database
Problem Display
PID: 229199 (3N3K/1p2N1np/p1r2p2/n3kp2/5p1b/8/bR1Q4/2B2r1B w - - 0 1)
Pikler, Robert
Nepszava, 1926
#2
7 + 13
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rd1
- 2.Qxf4#
- 1...Re1
- 2.Qxf4#
- 1...Rg1
- 2.Qxf4#
- 1...Rxh1
- 2.Qxf4#
- 1...Rc4
- 2.Qd5#
- 1...Re6
- 2.Sf7#
- 1...Bb1
- 2.Qd5#
- 1...Bd5
- 2.Qxd5#
- 1...Bf2
- 2.Qxf4#
- 1...Sb3
- 2.Qd5#
- 1...Sc4
- 2.Qd5#
- 1...Se6
- 2.Sf7#
- 1...f3
- 2.Qf4#
- 1...h5
- 2.Sg6#
- 1...h6
- 2.Sg6#
- 1...Rd1
- Tries
- 1.Rb5+?
- 1...Rc5
- 2.Bb2#
- 1...Bd5
- 2.Rxd5#
- 2.Qxd5#
- 1...axb5!
- 1...Rc5
- 1.Rb5+?
- Keys
- 1.Rb4!
- threat
- 2.Qd4#
- 1...Bd5
- 2.Qxd5#
- 1...Rd1
- 2.Qxf4#
- 1...Rc4
- 2.Qd5#
- 1...Rd6
- 2.Qe2#
- 1...Bc4
- 2.Bb2#
- 1...Bf2
- 2.Qxf4#
- 1...Sb3
- 2.Qd5#
- 1...Sc4
- 2.Qd5#
- 1...Se6
- 2.Sf7#
- threat
- 1.Rb4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 8
- Sets
- R(a);N_GUARD::QAB1(D),XP(c)
- R(a);N_GUARD,XB(B)::QAB1(D),XP(c)
- R(i);S_CUTB(b)::QAR1(D)
- R(i);SBLOCK,S_CUTB(b)::S(F)
- B(b);N_GUARD::QAR1(D)
- B(b);N_GUARD::QAR1(D),XB(b)
- B(d);S_CUTR(a)::QAB1(D),XP(c)
- S(e);S_CUTB(b)::QAR1(D)
- S(l);SBLOCK,S_CUTB(b)::S(F)
- P(c);S_CUTR(a)::QAB1(D)
- P(m);N_GUARD::S(E)
- Tries
- Try
- R(C);CHECK
- Vars
- R(i);P_SPINR(i)::B(A)
- Refutation
- P(h);XR(C)
- Try
- Actual
- R(C);
- Threat
- QAB1(D)
- Vars
- B(b);N_GUARD::QAR1(D),XB(b)
- R(a);N_GUARD::QAB1(D),XP(c)
- R(i);S_CUTB(b)::QAR1(D)
- R(i);SBLOCK::QAR(D)
- B(b);S_CUTR(i)::B(A)
- B(d);S_CUTR(a)::QAB1(D),XP(c)
- S(e);S_CUTB(b)::QAR1(D)
- S(l);SBLOCK,S_CUTB(b)::S(F)
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).