MESON Chess Problem Database
Problem Display
PID: 245737 (6BB/2Qb4/6N1/q4k1K/2rr3p/b3nP2/1R2N3/8 w - - 0 1)
Wrobel, Marian
Revista Romana de Sah, 1926
#2
8 + 8
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qe1
- 2.Qe5#
- 1...Qd2
- 2.Qe5#
- 1...Qc3
- 2.Qe5#
- 1...Qb4
- 2.Qe5#
- 1...Qb6
- 2.Qe5#
- 1...Qa4
- 2.Qe5#
- 1...Qe5
- 2.Qxe5#
- 1...Qa6
- 2.Qe5#
- 1...Qa7
- 2.Qe5#
- 1...Qa8
- 2.Qe5#
- 1...Rc1
- 2.Sxd4#
- 1...Rc2
- 2.Sxd4#
- 1...Rc3
- 2.Sxd4#
- 1...Rb4
- 2.Se7#
- 1...Rc5
- 2.Sxd4#
- 2.Se7#
- 1...Rc6
- 2.Sxd4#
- 1...Rxc7
- 2.Sxd4#
- 1...Rf4
- 2.Qxd7#
- 1...Rg4
- 2.Qxd7#
- 1...Rd6
- 2.Se7#
- 1...Bxb2
- 2.Se7#
- 1...Bc5
- 2.Qe5#
- 1...Bd6
- 2.Qxd7#
- 1...Be7
- 2.Sxe7#
- 1...Ba4
- 2.Qf7#
- 1...Bb5
- 2.Qe5#
- 2.Qf7#
- 1...Bc6
- 2.Qf7#
- 1...Bc8
- 2.Qf7#
- 1...Sg4
- 2.Sxh4#
- 1...Sd5
- 2.Qe5#
- 2.Qxd7#
- 1...h3
- 2.Sg3#
- 1...Qe1
- Tries
- 1.Bxd4?
- threat
- 2.Sxh4#
- 2.Qf4#
- 2.Qxd7#
- 1...Qxc7
- 2.Sxh4#
- 1...Rxc7
- 2.Sxh4#
- 1...Qe5
- 2.Qxe5#
- 1...Qe1
- 2.Qf4#
- 2.Qe5#
- 2.Qxd7#
- 1...Qb6
- 2.Sxh4#
- 2.Qf4#
- 2.Qe5#
- 1...Qa4
- 2.Sxh4#
- 2.Qf4#
- 2.Qe5#
- 1...Qb5
- 2.Sxh4#
- 2.Qf4#
- 1...Qd5
- 2.Sxh4#
- 2.Qf4#
- 1...Qa6
- 2.Sxh4#
- 2.Qf4#
- 2.Qe5#
- 1...Qa7
- 2.Sxh4#
- 2.Qf4#
- 2.Qe5#
- 1...Rc6
- 2.Sxh4#
- 2.Qf4#
- 1...Bd6
- 2.Sxh4#
- 2.Qxd7#
- 1...Be7
- 2.Sxe7#
- 2.Qf4#
- 2.Qxd7#
- 1...Ba4
- 2.Sxh4#
- 2.Qf4#
- 2.Qf7#
- 1...Bb5
- 2.Sxh4#
- 2.Qf4#
- 2.Qe5#
- 2.Qf7#
- 1...Bc6
- 2.Sxh4#
- 2.Qf4#
- 2.Qf7#
- 1...Be6
- 2.Sxh4#
- 2.Qf4#
- 1...Bc8
- 2.Sxh4#
- 2.Qf4#
- 2.Qf7#
- 1...Be8
- 2.Qf4#
- 1...Sg2
- 2.Qxd7#
- 1...Sd5
- 2.Sxh4#
- 2.Qe5#
- 2.Qxd7#
- 1...h3
- 2.Sg3#
- 2.Sh4#
- 2.Qf4#
- 2.Qxd7#
- 1...Rxd4!
- threat
- 1.Rb5+?
- 1...Rc5
- 2.Sxd4#
- 2.Se7#
- 1...Rd5
- 2.Qxd7#
- 1...Bc5
- 2.Se7#
- 2.Qe5#
- 1...Bxb5
- 2.Qe5#
- 2.Qf7#
- 1...Sd5
- 2.Qe5#
- 2.Qxd7#
- 1...Qxb5!
- 1...Rc5
- 1.Qg3?
- threat
- 2.Qg5#
- 1...hxg3
- 2.Sxg3#
- 1...Qd8
- 2.Qe5#
- 1...Be7
- 2.Sxe7#
- 1...Sg4
- 2.Sxh4#
- 1...Rg4!
- threat
- 1.Qd6?
- threat
- 2.Se7#
- 2.Qf6#
- 1...Rxd6
- 2.Se7#
- 1...Qb6
- 2.Se7#
- 2.Qe5#
- 1...Qd8
- 2.Qe5#
- 1...Qe5
- 2.Qxe5#
- 1...Qa6
- 2.Se7#
- 2.Qe5#
- 1...Rc6
- 2.Sxd4#
- 2.Se7#
- 1...Re4
- 2.Qf6#
- 1...Be6
- 2.Se7#
- 2.Bxe6#
- 2.Qxe6#
- 1...Be8
- 2.Be6#
- 2.Qe6#
- 2.Qf6#
- 1...Sg4
- 2.Sxh4#
- 2.Se7#
- 1...Sd5
- 2.Qe5#
- 2.Qxd7#
- 1...Bxd6!
- threat
- 1.Qd8?
- threat
- 2.Qg5#
- 2.Qf6#
- 1...Qb6
- 2.Qg5#
- 1...Qe5
- 2.Qg5#
- 1...Qa6
- 2.Qg5#
- 1...Rc6
- 2.Sxd4#
- 2.Qg5#
- 1...Rg4
- 2.Qf6#
- 2.Qxd7#
- 1...Rd6
- 2.Se7#
- 2.Qg5#
- 1...Be7
- 2.Sxe7#
- 1...Sg4
- 2.Sxh4#
- 2.Qg5#
- 1...Sd5
- 2.Qg5#
- 2.Qxd7#
- 1...Qxd8!
- threat
- 1.Bxd4?
- Keys
- 1.Rb6!
- threat
- 2.Rf6#
- 1...Qxb6
- 2.Qe5#
- 1...Qe5
- 2.Qxe5#
- 1...Qa6
- 2.Qe5#
- 1...Rc6
- 2.Sxd4#
- 1...Rd6
- 2.Se7#
- 1...Bd6
- 2.Qxd7#
- 1...Be7
- 2.Sxe7#
- 1...Bc6
- 2.Qf7#
- 1...Be6
- 2.Bxe6#
- 1...Sg4
- 2.Sxh4#
- 1...Sd5
- 2.Qe5#
- 2.Qxd7#
- threat
- 1.Rb6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 19
- Sets
- Q(f);N_GUARD::QAR1(F)
- Q(f);N_GUARD::QAR1(F),XQ(f)
- R(c);N_GUARD::S(B),XR(d)
- R(c);S_CUTB(a)::S(E)
- R(c);N_GUARD,XQ(F)::S(B),XR(d)
- R(d);N_GUARD::QAB(F),XB(h)
- R(d);S_CUTB(a)::S(E)
- B(a);N_GUARD,XR(A)::S(E)
- B(a);S_CUTQ(f)::QAR1(F)
- B(a);S_CUTR(d)::QAB(F),XB(h)
- B(a);N_GUARD::S(E),XB(a)
- B(h);OGATE::QAR2(F)
- S(b);S_CUTR(d)::S(E),XP(e)
- P(e);N_GUARD::S(B)
- Tries
- Try
- B(H);XR(d)
- Threat
- DUALS(3)
- Vars
- Q(f);XQ(F)::S(E),XP(e)
- R(c);XQ(F)::S(E),XP(e)
- Q(f);N_GUARD::QAR1(F),XQ(f)
- B(h);P_PINS(E)::QAR1(F)
- S(b);::QAB(F),XB(h)
- Refutation
- R(c);XB(H)
- Try
- R(A);CHECK
- Vars
- R(d);P_SPINR(d)::QAB(F),XB(h)
- Refutation
- Q(f);XR(A)
- Try
- Q(F);
- Threat
- QAR1(F)
- Vars
- P(e);XQ(F)::S(B),XP(e)
- Q(f);N_GUARD::QAR1(F)
- B(a);N_GUARD::S(E),XB(a)
- S(b);S_CUTR(d)::S(E),XP(e)
- Refutation
- R(d);
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- R(d);XQ(F)::S(E)
- Q(f);N_GUARD::QAR1(F)
- Q(f);N_GUARD::QAR1(F),XQ(f)
- R(d);::QAR1(F)
- Refutation
- B(a);XQ(F)
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- Q(f);::QAR1(F)
- B(a);N_GUARD::S(E),XB(a)
- Refutation
- Q(f);XQ(F)
- Try
- Actual
- R(A);
- Threat
- R1(A)
- Vars
- Q(f);N_GUARD,XR(A)::QAR1(F)
- Q(f);N_GUARD::QAR1(F),XQ(f)
- Q(f);N_GUARD::QAR1(F)
- R(c);N_GUARD::S(B),XR(d)
- R(d);S_CUTB(a)::S(E)
- B(a);S_CUTR(d)::QAB(F),XB(h)
- B(a);N_GUARD::S(E),XB(a)
- B(h);OGATE::QAR2(F)
- B(h);N_GUARD::B(G),XB(h)
- S(b);S_CUTR(d)::S(E),XP(e)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).