MESON Chess Problem Database
Problem Display
PID: 239265 (3K1R2/p3B1pb/r1p1k1pp/2R1N3/4P3/p1n1Q1n1/3p3b/q2r4 w - - 0 1)
Palkoska, Emil
Sachove umeni (Ceskoslovensky sach), 1954
#2
7 + 15
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Sb1
- 2.Qb3#
- 1...Sa2
- 2.Qb3#
- 1...Sce2
- 2.Qb3#
- 1...Sa4
- 2.Qb3#
- 1...Scxe4
- 2.Qb3#
- 1...Sb5
- 2.Qb3#
- 1...Sf1
- 2.Qh3#
- 1...Sh1
- 2.Qh3#
- 1...Sge2
- 2.Qh3#
- 1...Sgxe4
- 2.Qh3#
- 1...Sh5
- 2.Qh3#
- 1...Sb1
- Tries
- 1.Sd3?
- threat
- 2.Sf4#
- 2.Re5#
- 1...Scxe4
- 2.Sf4#
- 1...Sgxe4
- 2.Qh3#
- 1...Rf1
- 2.Re5#
- 1...Ra5
- 2.Sf4#
- 2.Rxc6#
- 1...Sb1
- 2.Sf4#
- 1...Sa2
- 2.Sf4#
- 1...Sa4
- 2.Sf4#
- 1...Sb5
- 2.Sf4#
- 1...Sd5
- 2.exd5#
- 1...Sf1
- 2.Qh3#
- 1...Sh1
- 2.Qh3#
- 1...Sge2
- 2.Qh3#
- 1...Sf5
- 2.exf5#
- 1...Sh5
- 2.Qh3#
- 1...g5
- 2.Re5#
- 1...Sce2!
- threat
- 1.Sf3?
- threat
- 2.Sd4#
- 2.Re5#
- 1...Scxe4
- 2.Qb3#
- 1...Sgxe4
- 2.Sd4#
- 1...Ra4
- 2.Re5#
- 2.Rxc6#
- 1...Ra5
- 2.Sd4#
- 2.Rxc6#
- 1...Sb1
- 2.Qb3#
- 1...Sa2
- 2.Qb3#
- 1...Sce2
- 2.Qb3#
- 1...Sa4
- 2.Qb3#
- 1...Sb5
- 2.Qb3#
- 1...Sd5
- 2.exd5#
- 1...Sf1
- 2.Sd4#
- 1...Sh1
- 2.Sd4#
- 1...Sf5
- 2.exf5#
- 1...Sh5
- 2.Sd4#
- 1...Sge2!
- threat
- 1.Sxc6?
- threat
- 2.Sd4#
- 2.Re5#
- 1...Scxe4
- 2.Qb3#
- 1...Sgxe4
- 2.Sd4#
- 2.Qh3#
- 1...Ra4
- 2.Re5#
- 1...Ra5
- 2.Sd4#
- 1...Sb1
- 2.Qb3#
- 1...Sa2
- 2.Qb3#
- 1...Sce2
- 2.Qb3#
- 1...Sa4
- 2.Qb3#
- 1...Sb5
- 2.Qb3#
- 1...Sd5
- 2.exd5#
- 1...Sf1
- 2.Sd4#
- 2.Qh3#
- 1...Sh1
- 2.Sd4#
- 2.Qh3#
- 1...Sge2
- 2.Qh3#
- 1...Sf5
- 2.exf5#
- 1...Sh5
- 2.Sd4#
- 2.Qh3#
- 1...Rxc6!
- threat
- 1.Sxg6?
- threat
- 2.Sf4#
- 2.Re5#
- 1...Scxe4
- 2.Sf4#
- 2.Qb3#
- 1...Sgxe4
- 2.Qh3#
- 1...Rf1
- 2.Re5#
- 1...Ra5
- 2.Sf4#
- 2.Rxc6#
- 1...Sb1
- 2.Sf4#
- 2.Qb3#
- 1...Sa2
- 2.Sf4#
- 2.Qb3#
- 1...Sce2
- 2.Qb3#
- 1...Sa4
- 2.Sf4#
- 2.Qb3#
- 1...Sb5
- 2.Sf4#
- 2.Qb3#
- 1...Sd5
- 2.exd5#
- 1...Sf1
- 2.Qh3#
- 1...Sh1
- 2.Qh3#
- 1...Sge2
- 2.Qh3#
- 1...Sf5
- 2.exf5#
- 1...Sh5
- 2.Qh3#
- 1...Bxg6!
- threat
- 1.Sf7?
- threat
- 2.Re5#
- 1...Scxe4
- 2.Qb3#
- 1...Sgxe4
- 2.Qh3#
- 1...Ra5
- 2.Rxc6#
- 1...Sb1
- 2.Qb3#
- 1...Sa2
- 2.Qb3#
- 1...Sce2
- 2.Qb3#
- 1...Sa4
- 2.Qb3#
- 1...Sb5
- 2.Qb3#
- 1...Sf1
- 2.Qh3#
- 1...Sh1
- 2.Qh3#
- 1...Sge2
- 2.Qh3#
- 1...Sf5
- 2.exf5#
- 1...Sh5
- 2.Qh3#
- 1...Sd5!
- threat
- 1.Qd4?
- threat
- 2.Qd6#
- 2.Qd7#
- 1...Scxe4
- 2.Qc4#
- 2.Qd7#
- 1...Sgxe4
- 2.Qd7#
- 1...Sb5
- 2.Qc4#
- 2.Qd7#
- 1...Sf5
- 2.Qd7#
- 1...Sd5!
- threat
- 1.Qd3?
- threat
- 2.Qd6#
- 2.Qd7#
- 1...Scxe4
- 2.Qc4#
- 2.Qb3#
- 2.Qd7#
- 1...Sgxe4
- 2.Qh3#
- 2.Qd7#
- 1...Sb5
- 2.Qc4#
- 2.Qb3#
- 2.Qd7#
- 1...Sf5
- 2.Qd7#
- 1...Sd5!
- threat
- 1.Sd3?
- Keys
- 1.Sd7!
- threat
- 2.Re5#
- 1...Scxe4
- 2.Qb3#
- 1...Sgxe4
- 2.Qh3#
- 1...Ra5
- 2.Rxc6#
- 1...Sb1
- 2.Qb3#
- 1...Sa2
- 2.Qb3#
- 1...Sce2
- 2.Qb3#
- 1...Sa4
- 2.Qb3#
- 1...Sb5
- 2.Qb3#
- 1...Sd5
- 2.exd5#
- 1...Sf1
- 2.Qh3#
- 1...Sh1
- 2.Qh3#
- 1...Sge2
- 2.Qh3#
- 1...Sf5
- 2.exf5#
- 1...Sh5
- 2.Qh3#
- threat
- 1.Sd7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- S(f);OGATE::QAB(A)
- S(f);OGATE,XP(B)::QAB(A)
- S(g);OGATE::QAB(A)
- S(g);OGATE,XP(B)::QAB(A)
- Tries
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- S(f);P_SPINS(f),XP(B)::S(D)
- S(g);OGATE,P_SPINS(g),XP(B)::QAB(A)
- R(b);::R1(C)
- S(f);::S(D)
- S(f);OGATE::QAR(A)+P(B)DCHECK,XS(f)
- S(g);OGATE::QAB(A)
- S(g);OGATE::QAR(A)+P(B)DCHECK,XS(g)
- P(k);::R1(C)
- Refutation
- S(f);
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- S(f);OGATE,P_SPINS(f),XP(B)::QAB(A)
- S(g);P_SPINS(g),XP(B)::S(D)
- S(f);OGATE::QAB(A)
- S(f);OGATE::QAR(A)+P(B)DCHECK,XS(f)
- S(g);::S(D)
- S(g);OGATE::QAR(A)+P(B)DCHECK,XS(g)
- Refutation
- S(g);
- Try
- S(D);XP(i)
- Threat
- DUALS(2)
- Vars
- S(f);OGATE,P_SPINS(f),XP(B)::QAB(A)
- R(h);::R1(C)
- R(h);::S(D)
- S(f);OGATE::QAB(A)
- S(f);OGATE::QAR(A)+P(B)DCHECK,XS(f)
- S(g);OGATE::QAB(A)
- S(g);OGATE::QAR(A)+P(B)DCHECK,XS(g)
- Refutation
- R(h);XS(D)
- Try
- S(D);XP(k)
- Threat
- DUALS(2)
- Vars
- S(g);OGATE,P_SPINS(g),XP(B)::QAB(A)
- R(b);::R1(C)
- S(f);OGATE::QAB(A)
- S(f);OGATE::QAR(A)+P(B)DCHECK,XS(f)
- S(g);OGATE::QAB(A)
- S(g);OGATE::QAR(A)+P(B)DCHECK,XS(g)
- Refutation
- B(o);XS(D)
- Try
- S(D);
- Threat
- R1(C)
- Vars
- S(f);OGATE,P_SPINS(f),XP(B)::QAB(A)
- S(g);OGATE,P_SPINS(g),XP(B)::QAB(A)
- R(h);N_GUARD::R(C),XP(i)
- S(f);OGATE::QAB(A)
- S(g);OGATE::QAB(A)
- S(g);OGATE::QAR(A)+P(B)DCHECK,XS(g)
- Refutation
- S(f);
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- S(g);XP(B)::QAB1(A)
- S(g);::QAB1(A)
- Refutation
- S(f);
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- S(g);::QAB1(A)
- Refutation
- S(f);
- Try
- Actual
- S(D);
- Threat
- R1(C)
- Vars
- S(f);OGATE,P_SPINS(f),XP(B)::QAB(A)
- S(g);OGATE,P_SPINS(g),XP(B)::QAB(A)
- R(h);N_GUARD::R(C),XP(i)
- S(f);OGATE::QAB(A)
- S(f);OGATE::QAR(A)+P(B)DCHECK,XS(f)
- S(g);OGATE::QAB(A)
- S(g);OGATE::QAR(A)+P(B)DCHECK,XS(g)
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).