MESON Chess Problem Database
Problem Display
PID: 220407 (n1rN1n2/r1k1p3/4P3/N7/PQ6/3R4/2K5/8 w - - 0 1)
Kondratiev, Pavel E
Freie Presse, 2002
#2
7 + 6
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rxa5
- 2.Qb7#
- 1...Ra6
- 2.Qb7#
- 1...Rb7
- 2.Qxb7#
- 1...Rb8
- 2.Qc5#
- 1...Rxd8
- 2.Rc3#
- 1...Sb6
- 2.Qf4#
- 1...Sxe6
- 2.Sxe6#
- 1...Sg6
- 2.Rd7#
- 1...Sd7
- 2.Rxd7#
- 1...Sh7
- 2.Rd7#
- 1...Rxa5
- Tries
- 1.Kb1?
- 1...Rxa5
- 2.Qb7#
- 1...Rxd8
- 2.Rc3#
- 1...Sxe6
- 2.Sxe6#
- 1...Rb7
- 2.Qxb7#
- 1...Sb6
- 2.Qf4#
- 1...Sd7
- 2.Rxd7#
- 1...Ra6
- 2.Qb7#
- 1...Sg6
- 2.Rd7#
- 1...Sh7
- 2.Rd7#
- 1...Rb8!
- 1...Rxa5
- 1.Kd1?
- 1...Rxa5
- 2.Qb7#
- 1...Sxe6
- 2.Sxe6#
- 1...Rb7
- 2.Qxb7#
- 1...Rb8
- 2.Qc5#
- 1...Sb6
- 2.Qf4#
- 1...Sd7
- 2.Rxd7#
- 1...Ra6
- 2.Qb7#
- 1...Sg6
- 2.Rd7#
- 1...Sh7
- 2.Rd7#
- 1...Rxd8!
- 1...Rxa5
- 1.Kb2?
- 1...Rxa5
- 2.Qb7#
- 1...Rxd8
- 2.Rc3#
- 1...Sxe6
- 2.Sxe6#
- 1...Rb7
- 2.Qxb7#
- 1...Sb6
- 2.Qf4#
- 1...Sd7
- 2.Rxd7#
- 1...Ra6
- 2.Qb7#
- 1...Sg6
- 2.Rd7#
- 1...Sh7
- 2.Rd7#
- 1...Rb8!
- 1...Rxa5
- 1.Kd2?
- 1...Rxa5
- 2.Qb7#
- 1...Sxe6
- 2.Sxe6#
- 1...Rb7
- 2.Qxb7#
- 1...Rb8
- 2.Qc5#
- 1...Sb6
- 2.Qf4#
- 1...Sd7
- 2.Rxd7#
- 1...Ra6
- 2.Qb7#
- 1...Sg6
- 2.Rd7#
- 1...Sh7
- 2.Rd7#
- 1...Rxd8!
- 1...Rxa5
- 1.Kb3?
- 1...Rxa5
- 2.Qb7#
- 1...Rxd8
- 2.Rc3#
- 1...Sxe6
- 2.Sxe6#
- 1...Rb7
- 2.Qxb7#
- 1...Sb6
- 2.Qf4#
- 1...Sd7
- 2.Rxd7#
- 1...Ra6
- 2.Qb7#
- 1...Sg6
- 2.Rd7#
- 1...Sh7
- 2.Rd7#
- 1...Rb8!
- 1...Rxa5
- 1.Kc3?
- 1...Rxa5
- 2.Qb7#
- 1...Sxe6
- 2.Sxe6#
- 1...Rb7
- 2.Qxb7#
- 1...Rb8
- 2.Qc5#
- 1...Sb6
- 2.Qf4#
- 1...Sd7
- 2.Rxd7#
- 1...Ra6
- 2.Qb7#
- 1...Sg6
- 2.Rd7#
- 1...Sh7
- 2.Rd7#
- 1...Rxd8!
- 1...Rxa5
- 1.Sb3?
- 1...Rxa4
- 2.Qb7#
- 1...Rxd8
- 2.Rc3#
- 1...Rb7
- 2.Qxb7#
- 1...Rb8
- 2.Qc5#
- 1...Sb6
- 2.Qf4#
- 1...Sd7
- 2.Rxd7#
- 1...Ra5
- 2.Qb7#
- 1...Ra6
- 2.Qb7#
- 1...Sg6
- 2.Rd7#
- 1...Sh7
- 2.Rd7#
- 1...Sxe6!
- 1...Rxa4
- 1.Rd1?
- 1...Rxa5
- 2.Qb7#
- 1...Sxe6
- 2.Sxe6#
- 1...Rb7
- 2.Qxb7#
- 1...Rb8
- 2.Qc5#
- 1...Sb6
- 2.Qf4#
- 1...Sd7
- 2.Rxd7#
- 1...Ra6
- 2.Qb7#
- 1...Sg6
- 2.Rd7#
- 1...Sh7
- 2.Rd7#
- 1...Rxd8!
- 1...Rxa5
- 1.Rd2?
- 1...Rxa5
- 2.Qb7#
- 1...Sxe6
- 2.Sxe6#
- 1...Rb7
- 2.Qxb7#
- 1...Rb8
- 2.Qc5#
- 1...Sb6
- 2.Qf4#
- 1...Sd7
- 2.Rxd7#
- 1...Ra6
- 2.Qb7#
- 1...Sg6
- 2.Rd7#
- 1...Sh7
- 2.Rd7#
- 1...Rxd8!
- 1...Rxa5
- 1.Rd4?
- 1...Rxa5
- 2.Qb7#
- 1...Rxd8
- 2.Rc4#
- 1...Sxe6
- 2.Sxe6#
- 1...Rb7
- 2.Qxb7#
- 1...Rb8
- 2.Qc5#
- 1...Sd7
- 2.Rxd7#
- 1...Ra6
- 2.Qb7#
- 1...Sg6
- 2.Rd7#
- 1...Sh7
- 2.Rd7#
- 1...Sb6!
- 1...Rxa5
- 1.Rd5?
- 1...Rxa5
- 2.Qb7#
- 1...Sxe6
- 2.Sxe6#
- 1...Rb7
- 2.Qxb7#
- 1...Rb8
- 2.Qc5#
- 1...Sb6
- 2.Qf4#
- 1...Sd7
- 2.Rxd7#
- 1...Ra6
- 2.Qb7#
- 1...Sg6
- 2.Rd7#
- 1...Sh7
- 2.Rd7#
- 1...Rxd8!
- 1...Rxa5
- 1.Qb5?
- 1...Rxa5
- 2.Qb7#
- 1...Sxe6
- 2.Sxe6#
- 2.Rd7#
- 1...Rb7
- 2.Qxb7#
- 1...Rb8
- 2.Qc6#
- 2.Qc5#
- 1...Sb6
- 2.Qe5#
- 1...Sd7
- 2.Rxd7#
- 1...Ra6
- 2.Qb7#
- 1...Sg6
- 2.Rd7#
- 1...Sh7
- 2.Rd7#
- 1...Rxd8!
- 1...Rxa5
- 1.Kb1?
- Keys
- 1.Kc1!
- 1...Rxa5
- 2.Qb7#
- 1...Rxd8
- 2.Rc3#
- 1...Sxe6
- 2.Sxe6#
- 1...Rb7
- 2.Qxb7#
- 1...Rb8
- 2.Qc5#
- 1...Sb6
- 2.Qf4#
- 1...Sd7
- 2.Rxd7#
- 1...Ra6
- 2.Qb7#
- 1...Sg6
- 2.Rd7#
- 1...Sh7
- 2.Rd7#
- 1...Rxa5
- 1.Kc1!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(a);N_GUARD,XS(E)::QAR1(D)
- R(a);N_GUARD::QAR1(D)
- R(a);N_GUARD::QAR1(D),XR(a)
- R(e);SBLOCK::QAR2(D)
- R(e);SBLOCK,XS(G)::R(B)
- S(d);SBLOCK::QAB(D)
- S(f);XP(F)::S(G),XS(f)
- S(f);N_GUARD::R1(B)
- S(f);N_GUARD::R1(B),XS(f)
- Tries
- Try
- K(A);S_FLIGHT
- Vars
- R(a);N_GUARD,XS(E)::QAR1(D)
- R(e);SBLOCK,XS(G)::R(B)
- S(f);XP(F)::S(G),XS(f)
- R(a);N_GUARD,P_PINQ(D)::QAR1(D),XR(a)
- S(d);SBLOCK::QAB(D)
- S(f);N_GUARD::R1(B),XS(f)
- R(a);N_GUARD::QAR1(D)
- S(f);N_GUARD::R1(B)
- Refutation
- R(e);P_PINQ(D)
- Try
- K(A);S_FLIGHT
- Vars
- R(a);N_GUARD,XS(E)::QAR1(D)
- S(f);XP(F)::S(G),XS(f)
- R(a);N_GUARD::QAR1(D),XR(a)
- R(e);SBLOCK::QAR2(D)
- S(d);SBLOCK::QAB(D)
- S(f);N_GUARD::R1(B),XS(f)
- R(a);N_GUARD::QAR1(D)
- S(f);N_GUARD::R1(B)
- Refutation
- R(e);P_PINR(B),XS(G)
- Try
- K(A);P-FLIGHT
- Vars
- R(a);N_GUARD,XS(E)::QAR1(D)
- R(e);SBLOCK,XS(G)::R(B)
- S(f);XP(F)::S(G),XS(f)
- R(a);N_GUARD,P_PINQ(D)::QAR1(D),XR(a)
- S(d);SBLOCK::QAB(D)
- S(f);N_GUARD::R1(B),XS(f)
- R(a);N_GUARD::QAR1(D)
- S(f);N_GUARD::R1(B)
- Refutation
- R(e);P_PINQ(D)
- Try
- K(A);P-FLIGHT
- Vars
- R(a);N_GUARD,XS(E)::QAR1(D)
- S(f);XP(F)::S(G),XS(f)
- R(a);N_GUARD::QAR1(D),XR(a)
- R(e);SBLOCK::QAR2(D)
- S(d);SBLOCK::QAB(D)
- S(f);N_GUARD::R1(B),XS(f)
- R(a);N_GUARD::QAR1(D)
- S(f);N_GUARD::R1(B)
- Refutation
- R(e);P_PINR(B),XS(G)
- Try
- K(A);S_FLIGHT
- Vars
- R(a);N_GUARD,XS(E)::QAR1(D)
- R(e);SBLOCK,XS(G)::R(B)
- S(f);XP(F)::S(G),XS(f)
- R(a);N_GUARD,P_PINQ(D)::QAR1(D),XR(a)
- S(d);SBLOCK::QAB(D)
- S(f);N_GUARD::R1(B),XS(f)
- R(a);N_GUARD::QAR1(D)
- S(f);N_GUARD::R1(B)
- Refutation
- R(e);P_PINQ(D)
- Try
- K(A);P-FLIGHT
- Vars
- R(a);N_GUARD,XS(E)::QAR1(D)
- S(f);XP(F)::S(G),XS(f)
- R(a);N_GUARD::QAR1(D),XR(a)
- R(e);SBLOCK::QAR2(D)
- S(d);SBLOCK::QAB(D)
- S(f);N_GUARD::R1(B),XS(f)
- R(a);N_GUARD::QAR1(D)
- S(f);N_GUARD::R1(B)
- Refutation
- R(e);XS(G)
- Try
- S(E);
- Vars
- R(a);N_GUARD,XP(C)::QAR1(D)
- R(e);SBLOCK,XS(G)::R(B)
- R(a);N_GUARD::QAR1(D),XR(a)
- R(e);SBLOCK::QAR2(D)
- S(d);SBLOCK::QAB(D)
- S(f);N_GUARD::R1(B),XS(f)
- R(a);N_GUARD::QAR1(D)
- S(f);N_GUARD::R1(B)
- Refutation
- S(f);XP(F)
- Try
- R(B);
- Vars
- R(a);N_GUARD,XS(E)::QAR1(D)
- S(f);XP(F)::S(G),XS(f)
- R(a);N_GUARD::QAR1(D),XR(a)
- R(e);SBLOCK::QAR2(D)
- S(d);SBLOCK::QAB(D)
- S(f);N_GUARD::R1(B),XS(f)
- R(a);N_GUARD::QAR1(D)
- S(f);N_GUARD::R1(B)
- Refutation
- R(e);XS(G)
- Try
- R(B);
- Vars
- R(a);N_GUARD,XS(E)::QAR1(D)
- S(f);XP(F)::S(G),XS(f)
- R(a);N_GUARD::QAR1(D),XR(a)
- R(e);SBLOCK::QAR2(D)
- S(d);SBLOCK::QAB(D)
- S(f);N_GUARD::R1(B),XS(f)
- R(a);N_GUARD::QAR1(D)
- S(f);N_GUARD::R1(B)
- Refutation
- R(e);XS(G)
- Try
- R(B);
- Vars
- R(a);N_GUARD,XS(E)::QAR1(D)
- R(e);SBLOCK,XS(G)::R(B)
- S(f);XP(F)::S(G),XS(f)
- R(a);N_GUARD::QAR1(D),XR(a)
- R(e);SBLOCK::QAR2(D)
- S(f);N_GUARD::R1(B),XS(f)
- R(a);N_GUARD::QAR1(D)
- S(f);N_GUARD::R1(B)
- Refutation
- S(d);
- Try
- R(B);
- Vars
- R(a);N_GUARD,XS(E)::QAR1(D)
- S(f);XP(F)::S(G),XS(f)
- R(a);N_GUARD::QAR1(D),XR(a)
- R(e);SBLOCK::QAR2(D)
- S(d);SBLOCK::QAB(D)
- S(f);N_GUARD::R1(B),XS(f)
- R(a);N_GUARD::QAR1(D)
- S(f);N_GUARD::R1(B)
- Refutation
- R(e);XS(G)
- Try
- Q(D);
- Vars
- R(a);N_GUARD,XS(E)::QAR1(D)
- R(a);N_GUARD::QAR1(D),XR(a)
- S(d);SBLOCK::QAB(D)
- S(f);N_GUARD::R1(B),XS(f)
- R(a);N_GUARD::QAR1(D)
- S(f);N_GUARD::R1(B)
- Refutation
- R(e);XS(G)
- Try
- Actual
- K(A);P-FLIGHT
- Vars
- R(a);N_GUARD,XS(E)::QAR1(D)
- R(e);SBLOCK,XS(G)::R(B)
- S(f);XP(F)::S(G),XS(f)
- R(a);N_GUARD::QAR1(D),XR(a)
- R(e);SBLOCK::QAR2(D)
- S(d);SBLOCK::QAB(D)
- S(f);N_GUARD::R1(B),XS(f)
- R(a);N_GUARD::QAR1(D)
- S(f);N_GUARD::R1(B)
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).