MESON Chess Problem Database
Problem Display
PID: 93589 (b4NQ1/6b1/qn6/RrN4K/p2k2p1/B3R3/3P4/5B2 w - - 0 1)
Grzankowski, Waclaw
Parallele 50, 1947
#2
9 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.Sce6#
- 1...Rb2
- 2.Sce6#
- 2.Bxb2#
- 1...Rb3
- 2.Sce6#
- 1...Rb4
- 2.Sce6#
- 1...Rxc5+
- 2.Bxc5#
- 1...Be5
- 2.Rd3#
- 1...Be4
- 2.Rxe4#
- 1...Bd5
- 2.Qxg7#
- 1...Sc4
- 2.Qxc4#
- 1...Sd5
- 2.Re4#
- 1...Sd7
- 2.Qc4#
- 1...Sc8
- 2.Qc4#
- 1...Rb1
- Tries
- 1.Sg6?
- threat
- 2.Rd3#
- 1...Rxc5+
- 2.Bxc5#
- 1...Rb1
- 2.Se6#
- 1...Rb2
- 2.Se6#
- 2.Bxb2#
- 1...Rb3
- 2.Se6#
- 1...Rb4
- 2.Se6#
- 1...Be4
- 2.Rxe4#
- 1...Bd5
- 2.Qxg7#
- 1...Sd5
- 2.Re4#
- 1...Rxa5!
- threat
- 1.Bb2+?
- 1...Rxb2
- 2.Sce6#
- 1...Kxc5!
- 1...Rxb2
- 1.Rxa4+?
- 1...Rb4
- 2.Sb3#
- 1...Sxa4
- 2.Qc4#
- 1...Sc4
- 2.Rxc4#
- 2.Qxc4#
- 1...Qxa4!
- 1...Rb4
- 1.Rxb5?
- threat
- 2.Sce6#
- 2.Bb2#
- 1...Qc8
- 2.Bb2#
- 1...Qa5
- 2.Sce6#
- 1...Bd5
- 2.Bb2#
- 2.Qxg7#
- 1...Sc4
- 2.Qxc4#
- 1...Sd5
- 2.Re4#
- 1...Sd7
- 2.Bb2#
- 2.Qc4#
- 1...Sc8
- 2.Bb2#
- 2.Qc4#
- 1...Qxb5!
- threat
- 1.Qb3?
- threat
- 2.Se6#
- 2.Qd3#
- 1...Rxc5+
- 2.Bxc5#
- 1...Rxb3
- 2.Sce6#
- 1...Rxa5
- 2.Se6#
- 1...Bxf8
- 2.Qd3#
- 1...Be4
- 2.Rxe4#
- 1...Sc4
- 2.Qxc4#
- 2.Qd3#
- 1...Qc8
- 2.Qd3#
- 1...Rb4
- 2.Sce6#
- 2.Sfe6#
- 2.Bb2#
- 1...Bd5
- 2.Qc3#
- 2.Qd3#
- 1...Sd5
- 2.Re4#
- 2.Qc4#
- 2.Qd3#
- 1...Sd7
- 2.Qc4#
- 2.Qd3#
- 1...Sc8
- 2.Qc4#
- 2.Qd3#
- 1...axb3!
- threat
- 1.Sg6?
- Keys
- 1.Sd7!
- threat
- 2.Rd3#
- 1...Rxc5+
- 2.Bxc5#
- 1...Rxa5
- 2.Bb2#
- 1...Sxd7
- 2.Qc4#
- 1...Rb1
- 2.Se6#
- 1...Rb2
- 2.Se6#
- 2.Bxb2#
- 1...Rb3
- 2.Se6#
- 1...Rb4
- 2.Se6#
- 1...Be4
- 2.Rxe4#
- 1...Bd5
- 2.Qxg7#
- 1...Sd5
- 2.Re4#
- threat
- 1.Sd7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 3
- Sets
- R(d);N_PINS(F)::S(F)
- R(d);CHECK,OGATE,XS(F)::B(C),XR(d)
- B(g);N_PINS(F),SBLOCK::R1(D)
- B(h);N_GUARD::R1(D),XB(h)
- B(h);N_PINS(F),SBLOCK::QAB(I),XB(g)
- S(f);N_GUARD::QAR1(I),XS(f)
- S(f);N_PINS(F),S_CUTB(h)::R1(D)
- S(f);N_GUARD::QAR1(I)
- Tries
- Try
- S(H);
- Threat
- R1(D)
- Vars
- R(d);CHECK,OGATE,XS(F)::B(C),XR(d)
- R(d);N_PINS(F)::S(F)
- B(h);N_GUARD::R1(D),XB(h)
- B(h);N_PINS(F),SBLOCK::QAB(I),XB(g)
- S(f);N_PINS(F),S_CUTB(h)::R1(D)
- Refutation
- R(d);XR(E)
- Try
- B(C);CHECK
- Vars
- R(d);N_PINS(F),XB(C)::S(F)
- Refutation
- K(b);P_SPINR(d),S_FLIGHT,XS(F)
- Try
- R(E);CHECK,XP(a)
- Vars
- R(d);N_PINS(F),P_SPINR(d)::S(F)
- S(f);N_GUARD,XR(E)::QAR1(I)
- Refutation
- Q(e);XR(E)
- Try
- R(E);N_SPINS(F),XR(d)
- Threat
- DUALS(2)
- Vars
- Q(e);::B(C)
- Q(e);::S(F)
- S(f);N_GUARD::QAR1(I),XS(f)
- S(f);S_CUTB(h)::R1(D)
- Refutation
- Q(e);P_PINS(F),XR(E)
- Try
- Q(I);
- Threat
- DUALS(2)
- Vars
- R(d);CHECK,OGATE,XS(F)::B(C),XR(d)
- R(d);N_PINS(F),XQ(I)::S(F)
- R(d);XR(E)::S(H)
- B(g);XS(H)::QAR1(I)
- B(h);N_GUARD::R1(D),XB(h)
- Q(e);::QAR1(I)
- Refutation
- P(a);XQ(I)
- Try
- Actual
- S(H);
- Threat
- R1(D)
- Vars
- R(d);CHECK,OGATE,XS(F)::B(C),XR(d)
- R(d);N_GUARD,XR(E)::B(C)
- S(f);N_GUARD,XS(H)::QAR1(I)
- R(d);N_PINS(F)::S(F)
- B(h);N_GUARD::R1(D),XB(h)
- B(h);N_PINS(F),SBLOCK::QAB(I),XB(g)
- S(f);N_PINS(F),S_CUTB(h)::R1(D)
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).