MESON Chess Problem Database
Problem Display
PID: 49949 (4R3/8/1N6/5p2/1p1p1B2/1Pbk3N/K2np3/4Q3 w - - 0 1)
Krizovensky, Marian
5th HM., UV CSTV, 1979
#2
7 + 7
| 6424 | Czech Album (1979-1981) | 1986 |
| 3335 | Cyclone | 2000 |
SOLUTION
- SOUND
- Sets
- 1...Ba1
- 2.Qxd2#
- 1...Bb2
- 2.Qxd2#
- 1...Sb1
- 2.Qxb1#
- 2.Qxe2#
- 1...Sf1
- 2.Qb1#
- 2.Qxe2#
- 1...Sxb3
- 2.Qb1#
- 2.Qxe2#
- 1...Sf3
- 2.Qb1#
- 2.Qxe2#
- 1...Sc4
- 2.Qb1#
- 2.Qxe2#
- 1...Se4
- 2.Qb1#
- 1...Ba1
- Tries
- 1.Sg1?
- 1...Sxb3
- 2.Qb1#
- 2.Qxe2#
- 1...Ba1
- 2.Qxd2#
- 1...Bb2
- 2.Qxd2#
- 1...Sb1
- 2.Qxb1#
- 2.Qxe2#
- 1...Sf1
- 2.Qb1#
- 2.Qxe2#
- 1...Sf3
- 2.Qb1#
- 2.Qxe2#
- 1...Sc4
- 2.Qb1#
- 2.Qxe2#
- 1...Se4
- 2.Qb1#
- 2.Qxe2#
- 1...Kc2!
- 1...Sxb3
- 1.Sg5?
- 1...Sxb3
- 2.Qb1#
- 2.Qxe2#
- 1...Ba1
- 2.Qxd2#
- 1...Bb2
- 2.Qxd2#
- 1...Sb1
- 2.Qxb1#
- 2.Qxe2#
- 1...Sf1
- 2.Qb1#
- 2.Qxe2#
- 1...Sf3
- 2.Qb1#
- 2.Qxe2#
- 1...Sc4
- 2.Qb1#
- 2.Qxe2#
- 1...Se4
- 2.Qb1#
- 1...Kc2!
- 1...Sxb3
- 1.Sa4?
- 1...Sxb3
- 2.Qxe2#
- 1...Ba1
- 2.Qxd2#
- 1...Bb2
- 2.Qxd2#
- 1...Sb1
- 2.Qxb1#
- 2.Qxe2#
- 1...Sf1
- 2.Qb1#
- 2.Qxe2#
- 1...Sf3
- 2.Qb1#
- 2.Qxe2#
- 1...Sc4
- 2.Qb1#
- 2.Qxe2#
- 1...Se4
- 2.Qb1#
- 1...Kc2!
- 1...Sxb3
- 1.Sc4?
- 1...Sxb3
- 2.Qxe2#
- 1...Sxc4
- 2.Qb1#
- 2.Qxe2#
- 1...Ba1
- 2.Qxd2#
- 1...Bb2
- 2.Qxd2#
- 1...Sb1
- 2.Qxb1#
- 2.Qxe2#
- 1...Sf1
- 2.Qb1#
- 2.Qxe2#
- 1...Sf3
- 2.Qb1#
- 2.Qxe2#
- 1...Se4
- 2.Qb1#
- 1...Kc2!
- 1...Sxb3
- 1.Sd5?
- 1...Sxb3
- 2.Qxe2#
- 1...Ba1
- 2.Qxd2#
- 1...Bb2
- 2.Qxd2#
- 1...Sb1
- 2.Qxb1#
- 2.Qxe2#
- 1...Sf1
- 2.Qb1#
- 2.Qxe2#
- 1...Sf3
- 2.Qb1#
- 2.Qxe2#
- 1...Sc4
- 2.Qb1#
- 2.Qxe2#
- 1...Se4
- 2.Qb1#
- 1...Kc2!
- 1...Sxb3
- 1.Sd7?
- 1...Sxb3
- 2.Qxe2#
- 1...Ba1
- 2.Qxd2#
- 1...Bb2
- 2.Qxd2#
- 1...Sb1
- 2.Qxb1#
- 2.Qxe2#
- 1...Sf1
- 2.Qb1#
- 2.Qxe2#
- 1...Sf3
- 2.Qb1#
- 2.Qxe2#
- 1...Sc4
- 2.Qb1#
- 2.Qxe2#
- 1...Se4
- 2.Qb1#
- 1...Kc2!
- 1...Sxb3
- 1.Sa8?
- 1...Sxb3
- 2.Qxe2#
- 1...Ba1
- 2.Qxd2#
- 1...Bb2
- 2.Qxd2#
- 1...Sb1
- 2.Qxb1#
- 2.Qxe2#
- 1...Sf1
- 2.Qb1#
- 2.Qxe2#
- 1...Sf3
- 2.Qb1#
- 2.Qxe2#
- 1...Sc4
- 2.Qb1#
- 2.Qxe2#
- 1...Se4
- 2.Qb1#
- 1...Kc2!
- 1...Sxb3
- 1.Sc8?
- 1...Sxb3
- 2.Qxe2#
- 1...Ba1
- 2.Qxd2#
- 1...Bb2
- 2.Qxd2#
- 1...Sb1
- 2.Qxb1#
- 2.Qxe2#
- 1...Sf1
- 2.Qb1#
- 2.Qxe2#
- 1...Sf3
- 2.Qb1#
- 2.Qxe2#
- 1...Sc4
- 2.Qb1#
- 2.Qxe2#
- 1...Se4
- 2.Qb1#
- 1...Kc2!
- 1...Sxb3
- 1.Rxe2?
- 1...Kc2
- 2.Qb1#
- 1...Sxb3
- 2.Sf2#
- 1...Ba1
- 2.Qxd2#
- 1...Bb2
- 2.Qxd2#
- 1...Sb1
- 2.Sf2#
- 1...Sf1
- 2.Sf2#
- 1...Sf3
- 2.Sf2#
- 1...Sc4
- 2.Sf2#
- 1...Se4!
- 1...Kc2
- 1.Re5?
- 1...Sxb3
- 2.Qb1#
- 2.Qxe2#
- 1...Ba1
- 2.Qxd2#
- 1...Bb2
- 2.Qxd2#
- 1...Sb1
- 2.Qxb1#
- 2.Qxe2#
- 1...Sf1
- 2.Qb1#
- 2.Qxe2#
- 1...Sf3
- 2.Qb1#
- 2.Qxe2#
- 1...Sc4
- 2.Qb1#
- 2.Qxe2#
- 1...Se4
- 2.Qb1#
- 1...Kc2!
- 1...Sxb3
- 1.Re6?
- 1...Sxb3
- 2.Qb1#
- 2.Qxe2#
- 1...Ba1
- 2.Qxd2#
- 1...Bb2
- 2.Qxd2#
- 1...Sb1
- 2.Qxb1#
- 2.Qxe2#
- 1...Sf1
- 2.Qb1#
- 2.Qxe2#
- 1...Sf3
- 2.Qb1#
- 2.Qxe2#
- 1...Sc4
- 2.Qb1#
- 2.Qxe2#
- 1...Se4
- 2.Qb1#
- 1...Kc2!
- 1...Sxb3
- 1.Re7?
- 1...Sxb3
- 2.Qb1#
- 2.Qxe2#
- 1...Ba1
- 2.Qxd2#
- 1...Bb2
- 2.Qxd2#
- 1...Sb1
- 2.Qxb1#
- 2.Qxe2#
- 1...Sf1
- 2.Qb1#
- 2.Qxe2#
- 1...Sf3
- 2.Qb1#
- 2.Qxe2#
- 1...Sc4
- 2.Qb1#
- 2.Qxe2#
- 1...Se4
- 2.Qb1#
- 1...Kc2!
- 1...Sxb3
- 1.Sg1?
- Keys
- 1.Rc8!
- 1...Kc2
- 2.Qxd2#
- 1...Ke4
- 2.Qxe2#
- 1...Sxb3
- 2.Qb1#
- 1...Ba1
- 2.Sf2#
- 1...Bb2
- 2.Sf2#
- 1...Sb1
- 2.Qxb1#
- 1...Sf1
- 2.Qb1#
- 1...Sf3
- 2.Qb1#
- 1...Sc4
- 2.Qb1#
- 1...Se4
- 2.Qb1#
- 1...Kc2
- 1.Rc8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 2
- ADDED MATES = 7
- REMOVED MATES = 0
- Sets
- B(c);N_GUARD::QAR1(A),XS(a)
- S(a);N_GUARD::QAB(A)
- Tries
- Try
- S(D);
- Vars
- B(c);N_GUARD::QAR1(A),XS(a)
- Refutation
- K(d);S_FLIGHT
- Try
- S(D);
- Vars
- B(c);N_GUARD::QAR1(A),XS(a)
- S(a);N_GUARD::QAB(A)
- Refutation
- K(d);S_FLIGHT
- Try
- S(F);
- Vars
- S(a);XP(C)::QAB1(A),XP(b)
- B(c);N_GUARD::QAR1(A),XS(a)
- S(a);N_GUARD::QAB(A)
- Refutation
- K(d);S_FLIGHT
- Try
- S(F);
- Vars
- S(a);XP(C)::QAB1(A),XP(b)
- B(c);N_GUARD::QAR1(A),XS(a)
- S(a);N_GUARD::QAB(A)
- Refutation
- K(d);S_FLIGHT
- Try
- S(F);
- Vars
- S(a);XP(C)::QAB1(A),XP(b)
- B(c);N_GUARD::QAR1(A),XS(a)
- S(a);N_GUARD::QAB(A)
- Refutation
- K(d);S_FLIGHT
- Try
- S(F);
- Vars
- S(a);XP(C)::QAB1(A),XP(b)
- B(c);N_GUARD::QAR1(A),XS(a)
- S(a);N_GUARD::QAB(A)
- Refutation
- K(d);S_FLIGHT
- Try
- S(F);
- Vars
- S(a);XP(C)::QAB1(A),XP(b)
- B(c);N_GUARD::QAR1(A),XS(a)
- S(a);N_GUARD::QAB(A)
- Refutation
- K(d);S_FLIGHT
- Try
- S(F);
- Vars
- S(a);XP(C)::QAB1(A),XP(b)
- B(c);N_GUARD::QAR1(A),XS(a)
- S(a);N_GUARD::QAB(A)
- Refutation
- K(d);S_FLIGHT
- Try
- R(G);XP(b)
- Vars
- K(d);P_SPINS(a),S_FLIGHT::QAB1(A)
- S(a);XP(C)::S(D)
- B(c);N_GUARD::QAR1(A),XS(a)
- S(a);::S(D)
- Refutation
- S(a);
- Try
- R(G);
- Vars
- B(c);N_GUARD::QAR1(A),XS(a)
- S(a);N_GUARD::QAB(A)
- Refutation
- K(d);S_FLIGHT
- Try
- R(G);
- Vars
- B(c);N_GUARD::QAR1(A),XS(a)
- S(a);N_GUARD::QAB(A)
- Refutation
- K(d);S_FLIGHT
- Try
- R(G);
- Vars
- B(c);N_GUARD::QAR1(A),XS(a)
- S(a);N_GUARD::QAB(A)
- Refutation
- K(d);S_FLIGHT
- Try
- Actual
- R(G);
- Vars
- K(d);P_SPINB(c),S_FLIGHT::QAR1(A),XS(a)
- K(d);P_SPINP(b),S_FLIGHT::QAR2(A),XP(b)
- S(a);N_GUARD,XP(C)::QAB(A)
- B(c);::S(D)
- S(a);N_GUARD::QAB(A),XS(a)
- S(a);N_GUARD::QAB(A)
- S(a);N_GUARD,SBLOCK::QAB(A)
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).