MESON Chess Problem Database
Problem Display
PID: 95003 (4B3/4QP2/1pNK4/P4R2/1rkP1nn1/1p5R/1P2P3/4bNB1 w - - 0 1)
Krizovensky, Marian
Nedelna Pravda, 1983
#2
13 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bd2
- 2.Sxd2#
- 1...Bf2
- 2.Sd2#
- 2.Rc3#
- 1...Bc3
- 2.Rxc3#
- 1...Bg3
- 2.Sd2#
- 1...Bh4
- 2.Sd2#
- 2.Rc3#
- 1...Sxe2
- 2.Qxe2#
- 2.Qe6#
- 1...Sg2
- 2.Qe6#
- 1...Sd3
- 2.Qe6#
- 2.exd3#
- 1...Sxh3
- 2.Qe6#
- 1...Sh5
- 2.Qe6#
- 1...Se6
- 2.Qxe6#
- 1...Sg6
- 2.Qe6#
- 1...Sf2
- 2.Se3#
- 1...Sh2
- 2.Se3#
- 2.Se5#
- 1...Se3
- 2.Sxe3#
- 1...Se5
- 2.Sxe5#
- 1...Sf6
- 2.Se3#
- 2.Se5#
- 1...Sh6
- 2.Se3#
- 2.Se5#
- 1...bxa5
- 2.Sxa5#
- 2.Rc5#
- 1...b5
- 2.Rc5#
- 1...Bd2
- Tries
- 1.Qe3?
- 1...Sxe2
- 2.Qxe2#
- 2.Qd3#
- 2.Qe6#
- 1...Sxh3
- 2.Qd3#
- 2.Qe6#
- 1...Sxe3
- 2.Sxe3#
- 1...bxa5
- 2.Sxa5#
- 2.Rc5#
- 1...Sd5
- 2.Qd3#
- 1...Se5
- 2.Sxe5#
- 1...Ra4
- 2.Qxb3#
- 1...Bd2
- 2.Sxd2#
- 1...Bf2
- 2.Sd2#
- 2.Qc1#
- 2.Qc3#
- 1...Bc3
- 2.Qxc3#
- 1...Bg3
- 2.Sd2#
- 2.Qc1#
- 2.Qc3#
- 1...Bh4
- 2.Sd2#
- 2.Qc1#
- 2.Qc3#
- 1...Sg2
- 2.Qd3#
- 2.Qe6#
- 1...Sd3
- 2.Qxd3#
- 2.Qe6#
- 2.exd3#
- 1...Sh5
- 2.Qd3#
- 2.Qe6#
- 1...Se6
- 2.Qd3#
- 2.Qxe6#
- 1...Sg6
- 2.Qd3#
- 2.Qe6#
- 1...Sf2
- 2.Se5#
- 1...Sh2
- 2.Se5#
- 1...Sf6
- 2.Se5#
- 1...Sh6
- 2.Se5#
- 1...b5
- 2.Rc5#
- 1...Rb5!
- 1...Sxe2
- 1.Qe4?
- 1...Sxe2
- 2.Qd3#
- 2.Qd5#
- 2.Qxe2#
- 2.Qe6#
- 1...Sxh3
- 2.Qd3#
- 2.Qd5#
- 2.Qe6#
- 1...bxa5
- 2.Sxa5#
- 2.Rc5#
- 1...Sd5
- 2.Qd3#
- 2.Qxd5#
- 1...Se5
- 2.Sxe5#
- 1...Rb5
- 2.d5#
- 1...Bd2
- 2.Sxd2#
- 1...Bf2
- 2.Sd2#
- 2.Rc3#
- 1...Bc3
- 2.Rxc3#
- 1...Bg3
- 2.Sd2#
- 1...Bh4
- 2.Sd2#
- 2.Rc3#
- 1...Sg2
- 2.Qd3#
- 2.Qd5#
- 2.Qe6#
- 1...Sd3
- 2.Qxd3#
- 2.Qd5#
- 2.Qe6#
- 2.exd3#
- 1...Sh5
- 2.Qd3#
- 2.Qd5#
- 2.Qe6#
- 1...Se6
- 2.Qd3#
- 2.Qd5#
- 2.Qxe6#
- 1...Sg6
- 2.Qd3#
- 2.Qd5#
- 2.Qe6#
- 1...Sf2
- 2.Se3#
- 2.Se5#
- 1...Sh2
- 2.Se3#
- 2.Se5#
- 1...Se3
- 2.Sxe3#
- 2.Se5#
- 1...Sf6
- 2.Se3#
- 2.Se5#
- 1...Sh6
- 2.Se3#
- 2.Se5#
- 1...b5
- 2.Rc5#
- 2.d5#
- 1...Ra4!
- 1...Sxe2
- 1.Qe6+?
- 1...Sd5
- 2.Qxd5#
- 1...Sxe6!
- 1...Sd5
- 1.axb6?
- threat
- 2.Sa5#
- 2.Rc5#
- 1...Rxb6
- 2.Rc5#
- 1...Sd5
- 2.Sa5#
- 1...Se5
- 2.Sa5#
- 2.Sxe5#
- 1...Ra4
- 2.Rc5#
- 1...Bf2
- 2.Sd2#
- 2.Rc3#
- 2.Rc5#
- 1...Sd3
- 2.Sa5#
- 2.Qe6#
- 2.exd3#
- 1...Se6
- 2.Sa5#
- 2.Qxe6#
- 1...Sf2
- 2.Se3#
- 2.Rc5#
- 1...Se3
- 2.Sxe3#
- 2.Rc5#
- 1...Rb5!
- threat
- 1.Qe3?
- Keys
- 1.Qe5!
- 1...Sxe2
- 2.Qxe2#
- 2.Qd5#
- 2.Qe6#
- 1...Sxh3
- 2.Qd5#
- 2.Qe6#
- 1...Sxe5
- 2.Sxe5#
- 1...bxa5
- 2.Sxa5#
- 2.Qc5#
- 1...Sd5
- 2.Qxd5#
- 1...Ra4
- 2.Qb5#
- 1...Rb5
- 2.Qxb5#
- 1...Bd2
- 2.Sxd2#
- 1...Bf2
- 2.Sd2#
- 2.Rc3#
- 1...Bc3
- 2.Rxc3#
- 1...Bg3
- 2.Sd2#
- 1...Bh4
- 2.Sd2#
- 2.Rc3#
- 1...Sg2
- 2.Qd5#
- 2.Qe6#
- 1...Sd3
- 2.Qd5#
- 2.Qe6#
- 2.exd3#
- 1...Sh5
- 2.Qd5#
- 2.Qe6#
- 1...Se6
- 2.Qd5#
- 2.Qxe6#
- 1...Sg6
- 2.Qd5#
- 2.Qe6#
- 1...Sf2
- 2.Se3#
- 1...Sh2
- 2.Se3#
- 1...Se3
- 2.Sxe3#
- 1...Sf6
- 2.Se3#
- 1...Sh6
- 2.Se3#
- 1...b5
- 2.Qc5#
- 1...Sxe2
- 1.Qe5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 6
- REMOVED MATES = 5
- Sets
- B(a);N_GUARD::S(A),XB(a)
- B(a);N_GUARD::R1(E),XB(a)
- B(a);N_GUARD::S(A)
- S(e);N_GUARD::QAB(K)
- S(e);N_GUARD,XR(E)::QAB(K)
- S(e);N_GUARD::QAB(K),XS(e)
- S(f);N_GUARD::S(A)
- S(f);N_GUARD::S(A),XS(f)
- S(f);N_GUARD::S(I),XS(f)
- P(g);N_GUARD::R1(H)
- Tries
- Try
- Q(K);
- Vars
- S(f);XQ(K)::S(A),XS(f)
- S(e);N_GUARD::QAB1(K)
- S(f);N_GUARD::S(I),XS(f)
- R(c);N_GUARD::QAB1(K),XP(b)
- B(a);N_GUARD::S(A),XB(a)
- B(a);N_GUARD::QAR1(K),XB(a)
- S(f);N_GUARD::S(I)
- P(g);N_GUARD::R1(H)
- Refutation
- R(c);
- Try
- Q(K);
- Vars
- S(f);N_GUARD::S(I),XS(f)
- R(c);SBLOCK::QAR(K)+P(F)
- B(a);N_GUARD::S(A),XB(a)
- B(a);N_GUARD::R1(E),XB(a)
- B(a);N_GUARD::S(A)
- Refutation
- R(c);
- Try
- Q(K);CHECK
- Vars
- S(e);N_GUARD,P_SPINS(e)::QAB1(K),XS(e)
- Refutation
- S(e);XQ(K)
- Try
- P(G);XP(g)
- Threat
- DUALS(2)
- Vars
- R(c);P_PINS(I),XP(G)::R1(H)
- S(e);::S(I)
- R(c);::R1(H)
- Refutation
- R(c);
- Try
- Actual
- Q(K);
- Vars
- S(f);XQ(K)::S(I),XS(f)
- S(e);N_GUARD::QAB1(K),XS(e)
- R(c);N_GUARD::QAB1(K)
- R(c);N_GUARD::QAB1(K),XR(c)
- B(a);N_GUARD::S(A),XB(a)
- B(a);N_GUARD::R1(E),XB(a)
- B(a);N_GUARD::S(A)
- S(f);N_GUARD::S(A)
- S(f);N_GUARD::S(A),XS(f)
- P(g);N_GUARD::QAR1(K)
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).