MESON Chess Problem Database
Problem Display
PID: 225612 (4bn2/5p2/K1Nbp3/1Rp1pkPQ/5p1P/5B2/8/8 w - - 0 1)
Matejo, Josef
Praca, 1953
#2
7 + 9
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Bc7
- 2.Se7#
- 1...Be7
- 2.Sxe7#
- 1...Bb8
- 2.Se7#
- 1...Bxc6
- 2.Qxf7#
- 1...Bd7
- 2.Qxf7#
- 1...Sg6
- 2.Qg4#
- 1...Sd7
- 2.Qh7#
- 1...Sh7
- 2.Qxh7#
- 1...c4
- 2.Sd4#
- 1...e4
- 2.Bg4#
- 1...f6
- 2.g6#
- 1...Bc7
- Tries
- 1.Ka5?
- 1...Bxc6
- 2.Qxf7#
- 1...Be7
- 2.Sxe7#
- 1...Bb8
- 2.Se7#
- 1...Bd7
- 2.Qxf7#
- 1...Sg6
- 2.Qg4#
- 1...Sd7
- 2.Qh7#
- 1...Sh7
- 2.Qxh7#
- 1...c4
- 2.Sd4#
- 1...e4
- 2.Bg4#
- 1...f6
- 2.g6#
- 1...Bc7+!
- 1...Bxc6
- 1.Ka7?
- 1...Bxc6
- 2.Qxf7#
- 1...Bc7
- 2.Se7#
- 1...Be7
- 2.Sxe7#
- 1...Bd7
- 2.Qxf7#
- 1...Sg6
- 2.Qg4#
- 1...Sd7
- 2.Qh7#
- 1...Sh7
- 2.Qxh7#
- 1...c4
- 2.Sd4#
- 1...e4
- 2.Bg4#
- 1...f6
- 2.g6#
- 1...Bb8+!
- 1...Bxc6
- 1.Kb7?
- 1...Bc7
- 2.Se7#
- 1...Be7
- 2.Sxe7#
- 1...Bb8
- 2.Se7#
- 1...Bd7
- 2.Qxf7#
- 1...Sg6
- 2.Qg4#
- 1...Sd7
- 2.Qh7#
- 1...Sh7
- 2.Qxh7#
- 1...c4
- 2.Sd4#
- 1...e4
- 2.Bg4#
- 1...f6
- 2.g6#
- 1...Bxc6+!
- 1...Bc7
- 1.Rb1?
- 1...Bxc6
- 2.Qxf7#
- 1...Bc7
- 2.Se7#
- 1...Be7
- 2.Sxe7#
- 1...Bb8
- 2.Se7#
- 1...Bd7
- 2.Qxf7#
- 1...Sg6
- 2.Qg4#
- 1...Sd7
- 2.Qh7#
- 1...Sh7
- 2.Qxh7#
- 1...e4
- 2.Bg4#
- 1...f6
- 2.g6#
- 1...c4!
- 1...Bxc6
- 1.Rb2?
- 1...Bxc6
- 2.Qxf7#
- 1...Bc7
- 2.Se7#
- 1...Be7
- 2.Sxe7#
- 1...Bb8
- 2.Se7#
- 1...Bd7
- 2.Qxf7#
- 1...Sg6
- 2.Qg4#
- 1...Sd7
- 2.Qh7#
- 1...Sh7
- 2.Qxh7#
- 1...e4
- 2.Bg4#
- 1...f6
- 2.g6#
- 1...c4!
- 1...Bxc6
- 1.Rb3?
- 1...Bxc6
- 2.Qxf7#
- 1...Bc7
- 2.Se7#
- 1...Be7
- 2.Sxe7#
- 1...Bb8
- 2.Se7#
- 1...Bd7
- 2.Qxf7#
- 1...Sg6
- 2.Qg4#
- 1...Sd7
- 2.Qh7#
- 1...Sh7
- 2.Qxh7#
- 1...e4
- 2.Bg4#
- 1...f6
- 2.g6#
- 1...c4!
- 1...Bxc6
- 1.Rxc5?
- threat
- 2.Sd4#
- 1...Bxc6
- 2.Qxf7#
- 1...Bxc5!
- threat
- 1.Rb6?
- 1...Bxc6
- 2.Qxf7#
- 1...Bc7
- 2.Se7#
- 1...Be7
- 2.Sxe7#
- 1...Bb8
- 2.Se7#
- 1...Bd7
- 2.Qxf7#
- 1...Sg6
- 2.Qg4#
- 1...Sd7
- 2.Qh7#
- 1...Sh7
- 2.Qxh7#
- 1...e4
- 2.Bg4#
- 1...f6
- 2.g6#
- 1...c4!
- 1...Bxc6
- 1.Rb7?
- 1...Bxc6
- 2.Rxf7#
- 2.Qxf7#
- 1...Bc7
- 2.Se7#
- 1...Be7
- 2.Sxe7#
- 1...Bb8
- 2.Se7#
- 1...Bd7
- 2.Qxf7#
- 1...Sg6
- 2.Qg4#
- 1...Sd7
- 2.Qh7#
- 1...Sh7
- 2.Qxh7#
- 1...e4
- 2.Bg4#
- 1...f6
- 2.g6#
- 1...c4!
- 1...Bxc6
- 1.Rb8?
- 1...Bxb8
- 2.Se7#
- 1...Bxc6
- 2.Qxf7#
- 1...Bc7
- 2.Se7#
- 1...Be7
- 2.Sxe7#
- 1...Bd7
- 2.Qxf7#
- 1...Sg6
- 2.Qg4#
- 1...Sd7
- 2.Qh7#
- 1...Sh7
- 2.Qxh7#
- 1...e4
- 2.Bg4#
- 1...f6
- 2.g6#
- 1...c4!
- 1...Bxb8
- 1.Qh6?
- threat
- 2.Qf6#
- 1...Be7
- 2.Sxe7#
- 1...Sd7
- 2.Qh7#
- 1...Sh7
- 2.Qxh7#
- 1...f6
- 2.Qxf6#
- 1...Sg6!
- threat
- 1.Qh8?
- threat
- 2.Qf6#
- 1...Be7
- 2.Sxe7#
- 1...Sd7
- 2.Qh7#
- 1...Sh7
- 2.Qxh7#
- 1...f6
- 2.Qxf6#
- 1...Kg6!
- threat
- 1.Ka5?
- Keys
- 1.Ra5!
- 1...Bxc6
- 2.Qxf7#
- 1...c4
- 2.Sd4#
- 1...Bc7
- 2.Se7#
- 1...Be7
- 2.Sxe7#
- 1...Bb8
- 2.Se7#
- 1...Bd7
- 2.Qxf7#
- 1...Sg6
- 2.Qg4#
- 1...Sd7
- 2.Qh7#
- 1...Sh7
- 2.Qxh7#
- 1...e4
- 2.Bg4#
- 1...f6
- 2.g6#
- 1...Bxc6
- 1.Ra5!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- B(e);N_GUARD::S(G)
- B(e);N_GUARD::S(G),XB(e)
- B(h);N_GUARD,XS(G)::QAR2(E),XP(g)
- B(h);N_GUARD::QAR2(E),XP(g)
- S(i);SBLOCK::QAB1(E)
- S(i);N_GUARD::QAB(E)
- S(i);N_GUARD::QAB(E),XS(i)
- P(b);N_GUARD,P_SPINP(c)::S(G)
- P(c);P_SPINP(b),SBLOCK::B(A)
- P(g);SBLOCK::QAR(E)+P(D)
- Tries
- Try
- K(F);P-FLIGHT
- Vars
- B(h);N_GUARD,XS(G)::QAR2(E),XP(g)
- B(e);N_GUARD::S(G),XB(e)
- B(e);N_GUARD::S(G)
- B(h);N_GUARD::QAR2(E),XP(g)
- S(i);SBLOCK::QAB1(E)
- S(i);N_GUARD::QAB(E)
- S(i);N_GUARD::QAB(E),XS(i)
- P(b);N_GUARD,P_SPINP(c)::S(G)
- P(c);P_SPINP(b),SBLOCK::B(A)
- P(g);SBLOCK::QAR(E)+P(D)
- Refutation
- B(e);CHECK
- Try
- K(F);P-FLIGHT
- Vars
- B(h);N_GUARD,XS(G)::QAR2(E),XP(g)
- B(e);N_GUARD::S(G)
- B(e);N_GUARD::S(G),XB(e)
- B(h);N_GUARD::QAR2(E),XP(g)
- S(i);SBLOCK::QAB1(E)
- S(i);N_GUARD::QAB(E)
- S(i);N_GUARD::QAB(E),XS(i)
- P(b);N_GUARD,P_SPINP(c)::S(G)
- P(c);P_SPINP(b),SBLOCK::B(A)
- P(g);SBLOCK::QAR(E)+P(D)
- Refutation
- B(e);CHECK
- Try
- K(F);S_FLIGHT
- Vars
- B(e);N_GUARD::S(G)
- B(e);N_GUARD::S(G),XB(e)
- B(h);N_GUARD::QAR2(E),XP(g)
- S(i);SBLOCK::QAB1(E)
- S(i);N_GUARD::QAB(E)
- S(i);N_GUARD::QAB(E),XS(i)
- P(b);N_GUARD,P_SPINP(c)::S(G)
- P(c);P_SPINP(b),SBLOCK::B(A)
- P(g);SBLOCK::QAR(E)+P(D)
- Refutation
- B(h);CHECK,XS(G)
- Try
- R(C);
- Vars
- B(h);N_GUARD,XS(G)::QAR2(E),XP(g)
- B(e);N_GUARD::S(G)
- B(e);N_GUARD::S(G),XB(e)
- B(h);N_GUARD::QAR2(E),XP(g)
- S(i);SBLOCK::QAB1(E)
- S(i);N_GUARD::QAB(E)
- S(i);N_GUARD::QAB(E),XS(i)
- P(c);SBLOCK::B(A)
- P(g);SBLOCK::QAR(E)+P(D)
- Refutation
- P(b);
- Try
- R(C);
- Vars
- B(h);N_GUARD,XS(G)::QAR2(E),XP(g)
- B(e);N_GUARD::S(G)
- B(e);N_GUARD::S(G),XB(e)
- B(h);N_GUARD::QAR2(E),XP(g)
- S(i);SBLOCK::QAB1(E)
- S(i);N_GUARD::QAB(E)
- S(i);N_GUARD::QAB(E),XS(i)
- P(c);SBLOCK::B(A)
- P(g);SBLOCK::QAR(E)+P(D)
- Refutation
- P(b);
- Try
- R(C);
- Vars
- B(h);N_GUARD,XS(G)::QAR2(E),XP(g)
- B(e);N_GUARD::S(G)
- B(e);N_GUARD::S(G),XB(e)
- B(h);N_GUARD::QAR2(E),XP(g)
- S(i);SBLOCK::QAB1(E)
- S(i);N_GUARD::QAB(E)
- S(i);N_GUARD::QAB(E),XS(i)
- P(c);SBLOCK::B(A)
- P(g);SBLOCK::QAR(E)+P(D)
- Refutation
- P(b);
- Try
- R(C);P_PINP(c),XP(b)
- Threat
- S(G)
- Vars
- B(h);N_GUARD,XS(G)::QAR2(E),XP(g)
- Refutation
- B(e);N_SPINP(c),XR(C)
- Try
- R(C);
- Vars
- B(h);N_GUARD,XS(G)::QAR2(E),XP(g)
- B(e);N_GUARD::S(G)
- B(e);N_GUARD::S(G),XB(e)
- B(h);N_GUARD::QAR2(E),XP(g)
- S(i);SBLOCK::QAB1(E)
- S(i);N_GUARD::QAB(E)
- S(i);N_GUARD::QAB(E),XS(i)
- P(c);SBLOCK::B(A)
- P(g);SBLOCK::QAR(E)+P(D)
- Refutation
- P(b);
- Try
- R(C);
- Vars
- B(e);N_GUARD::S(G)
- B(e);N_GUARD::S(G),XB(e)
- B(h);N_GUARD::QAR2(E),XP(g)
- S(i);SBLOCK::QAB1(E)
- S(i);N_GUARD::QAB(E)
- S(i);N_GUARD::QAB(E),XS(i)
- P(c);SBLOCK::B(A)
- P(g);SBLOCK::QAR(E)+P(D)
- Refutation
- P(b);
- Try
- R(C);
- Vars
- B(e);N_GUARD,XR(C)::S(G)
- B(h);N_GUARD,XS(G)::QAR2(E),XP(g)
- B(e);N_GUARD::S(G)
- B(e);N_GUARD::S(G),XB(e)
- B(h);N_GUARD::QAR2(E),XP(g)
- S(i);SBLOCK::QAB1(E)
- S(i);N_GUARD::QAB(E)
- S(i);N_GUARD::QAB(E),XS(i)
- P(c);SBLOCK::B(A)
- P(g);SBLOCK::QAR(E)+P(D)
- Refutation
- P(b);
- Try
- Q(E);
- Threat
- QAR1(E)
- Vars
- B(e);N_GUARD::S(G),XB(e)
- S(i);N_GUARD::QAB(E)
- S(i);N_GUARD::QAB(E),XS(i)
- P(g);::QAR1(E),XP(g)
- Refutation
- S(i);
- Try
- Q(E);
- Threat
- QAR1(E)
- Vars
- B(e);N_GUARD::S(G),XB(e)
- S(i);N_GUARD::QAB(E)
- S(i);N_GUARD::QAB(E),XS(i)
- P(g);::QAR1(E),XP(g)
- Refutation
- K(d);S_FLIGHT
- Try
- Actual
- R(C);
- Vars
- B(h);N_GUARD,XS(G)::QAR2(E),XP(g)
- P(b);N_GUARD,P_SPINP(c)::S(G)
- B(e);N_GUARD::S(G)
- B(e);N_GUARD::S(G),XB(e)
- B(h);N_GUARD::QAR2(E),XP(g)
- S(i);SBLOCK::QAB1(E)
- S(i);N_GUARD::QAB(E)
- S(i);N_GUARD::QAB(E),XS(i)
- P(c);P_SPINP(b),SBLOCK::B(A)
- P(g);SBLOCK::QAR(E)+P(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).