MESON Chess Problem Database
Problem Display
PID: 263764 (2r5/PNk5/6Rq/PBN3P1/p3pb2/r6p/5Qn1/2R4K w - - 0 1)
Peris Pardo, Julio
Tijdschrift vd NSB, 1934
#2
10 + 9
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Qxg5
- 2.Rc6#
- 1...Qg7
- 2.Rc6#
- 2.Rxg7#
- 1...Qf8
- 2.Rc6#
- 1...Qh4
- 2.Rc6#
- 2.Rg7#
- 1...Qh5
- 2.Rc6#
- 1...Qh7
- 2.Rc6#
- 1...Qh8
- 2.Rc6#
- 1...Bxc1
- 2.Qf7#
- 1...Bd2
- 2.Qf7#
- 1...Bh2
- 2.Qf7#
- 1...Be3
- 2.Qf7#
- 1...Bg3
- 2.Qf7#
- 1...Be5
- 2.Qf7#
- 1...Se1
- 2.Qxf4#
- 1...Se3
- 2.Qxf4#
- 1...Sh4
- 2.Qxf4#
- 1...Qxg5
- Tries
- 1.Sb3+?
- 1...Bxc1
- 2.Qb6#
- 2.Qf7#
- 1...Kxb7!
- 1...Bxc1
- 1.Sd3+?
- 1...Rc3
- 2.Qb6#
- 1...Bxc1
- 2.Qb6#
- 2.Qf7#
- 1...Kxb7!
- 1...Rc3
- 1.Sxa4+?
- 1...Rc3
- 2.Qb6#
- 1...Bxc1
- 2.Qb6#
- 2.Qf7#
- 1...Kxb7!
- 1...Rc3
- 1.Sxe4+?
- 1...Rc3
- 2.Qb6#
- 1...Bxc1
- 2.Qb6#
- 2.Qf7#
- 1...Kxb7!
- 1...Rc3
- 1.Sd7+?
- 1...Rc3
- 2.Qb6#
- 1...Bxc1
- 2.Qb6#
- 1...Kxb7!
- 1...Rc3
- 1.Rb6?
- threat
- 2.Sa6#
- 2.Se6#
- 1...Bxc1
- 2.Sa6#
- 2.Qf7#
- 1...Qc6
- 2.Rxc6#
- 1...Qe6
- 2.Sa6#
- 2.Sxe6#
- 1...Rc3
- 2.Sa6#
- 1...Qxb6!
- threat
- 1.Rxh6?
- threat
- 2.Rc6#
- 2.Rh7#
- 1...Bxg5
- 2.Rc6#
- 1...Ra8
- 2.Rc6#
- 1...Rb8
- 2.Rc6#
- 1...Rd8
- 2.Rc6#
- 1...Re8
- 2.Rc6#
- 1...Rf8
- 2.Rc6#
- 1...Rg8
- 2.Rc6#
- 1...Rh8
- 2.Rc6#
- 1...Rd3
- 2.Rc6#
- 1...Be5
- 2.Rc6#
- 2.Qf7#
- 1...Bd6!
- threat
- 1.Qd4?
- threat
- 2.Qd7#
- 1...Rd8
- 2.Qxd8#
- 1...Qg7
- 2.Rc6#
- 2.Rxg7#
- 2.Qxg7#
- 1...Qh7
- 2.Rc6#
- 1...Bd6
- 2.Qxd6#
- 1...Rd3!
- threat
- 1.gxh6?
- threat
- 2.Rc6#
- 2.Rg7#
- 1...Bxh6
- 2.Rc6#
- 2.Qf7#
- 1...Ra8
- 2.Rc6#
- 1...Rb8
- 2.Rc6#
- 1...Rd8
- 2.Rc6#
- 1...Re8
- 2.Rc6#
- 1...Rf8
- 2.Rc6#
- 1...Rg8
- 2.Rc6#
- 1...Rh8
- 2.Rc6#
- 1...Rd3
- 2.Rc6#
- 1...Rg3
- 2.Rc6#
- 1...Be5
- 2.Rc6#
- 2.Qf7#
- 1...Bg5
- 2.Rc6#
- 1...Bd6!
- threat
- 1.Sb3+?
- Keys
- 1.a6!
- threat
- 2.Se6#
- 1...Re3
- 2.Sd3#
- 1...Be3
- 2.Qf7#
- 1...Se3
- 2.Qxf4#
- 1...e3
- 2.Sb3#
- threat
- 1.a6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 12
- Sets
- Q(g);N_GUARD,XP(G)::R1(H)
- Q(g);N_GUARD::R1(H)
- B(f);OGATE,XR(A)::QAR(C)
- B(f);OGATE::QAR(C)
- S(a);N_GUARD::QAB(C),XB(f)
- Tries
- Try
- S(F);CHECK
- Refutation
- K(h);P-FLIGHT,XS(J)
- Try
- S(F);CHECK
- Vars
- R(b);P_SPINR(b)::QAB1(C)
- Refutation
- K(h);P-FLIGHT,XS(J)
- Try
- S(F);CHECK,XP(d)
- Vars
- R(b);P_SPINR(b)::QAB1(C)
- Refutation
- K(h);P-FLIGHT,XS(J)
- Try
- S(F);CHECK,XP(e)
- Vars
- R(b);P_SPINR(b)::QAB1(C)
- Refutation
- K(h);P-FLIGHT,XS(J)
- Try
- S(F);CHECK
- Vars
- R(b);P_SPINR(b)::QAB1(C)
- B(f);XR(A)::QAB1(C)
- Refutation
- K(h);P-FLIGHT,XS(J)
- Try
- R(H);
- Threat
- DUALS(2)
- Vars
- Q(g);N_GUARD::R1(H),XQ(g)
- R(b);::S(F)
- Refutation
- Q(g);XR(H)
- Try
- R(H);XQ(g)
- Threat
- DUALS(2)
- Vars
- B(f);XP(G)::R1(H)
- R(i);::R1(H)
- R(b);::R1(H)
- Refutation
- B(f);
- Try
- Q(C);
- Threat
- QAR1(C)
- Vars
- R(i);N_GUARD::QAB1(C),XR(i)
- Q(g);N_GUARD::R1(H)
- B(f);N_GUARD::QAB1(C),XB(f)
- Refutation
- R(b);
- Try
- P(G);XQ(g)
- Threat
- DUALS(2)
- Vars
- R(i);::R1(H)
- R(b);::R1(H)
- B(f);::R1(H)
- Refutation
- B(f);
- Try
- Actual
- P(D);
- Threat
- R(A)+S(F),DCHECK
- Vars
- R(b);N_GUARD,S_CUTB(f)::R(A)+S(F)
- B(f);OGATE::QAR(C)
- S(a);N_GUARD::QAB(C),XB(f)
- P(e);S_CUTB(f)::R(A)+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).