MESON Chess Problem Database
Problem Display
PID: 158632 (1Q5r/p2p1NbN/bp1Pk1P1/Rn5R/8/n2B4/p7/B4K2 w - - 0 1)
Apro, Laszlo
Lo Scacchistica di Roma, 1934
#2
10 + 10
| 15148 | Sadier Collection | 2016 |
SOLUTION
- SOUND
- Sets
- 1...Rxh7
- 2.Sd8#
- 2.Qe8#
- 1...Rd8
- 2.Sxd8#
- 1...Re8
- 2.Qxe8#
- 1...Be5
- 2.Rxe5#
- 1...Bh6
- 2.Re5#
- 1...Bf8
- 2.Sd8#
- 2.Re5#
- 1...Sb1
- 2.Bc4#
- 1...Sc2
- 2.Bc4#
- 1...Sc4
- 2.Bxc4#
- 1...Sc3
- 2.Sfg5#
- 1...Sd4
- 2.Sfg5#
- 1...Sxd6
- 2.Qxd6#
- 1...Sc7
- 2.Shg5#
- 1...Rxh7
- Tries
- 1.Sf8+?
- 1...Bxf8
- 2.Sd8#
- 1...Rxf8!
- 1...Bxf8
- 1.Raxb5?
- threat
- 2.Sfg5#
- 2.Shg5#
- 2.Bf5#
- 1...Rxh7
- 2.Sg5#
- 2.Sd8#
- 2.Bf5#
- 2.Qe8#
- 1...Rxb8
- 2.Shg5#
- 2.Bf5#
- 1...Bxa1
- 2.Sfg5#
- 2.Bf5#
- 1...Sxb5
- 2.Bc4#
- 1...Rf8
- 2.Sg5#
- 2.Bf5#
- 1...Bb2
- 2.Sfg5#
- 2.Bf5#
- 1...Bc3
- 2.Sfg5#
- 2.Bf5#
- 1...Bd4
- 2.Sfg5#
- 2.Bf5#
- 1...Be5
- 2.Sfg5#
- 2.Bf5#
- 2.Rbxe5#
- 2.Rhxe5#
- 1...Bf6
- 2.Bf5#
- 1...Bh6
- 2.Bf5#
- 2.Rbe5#
- 2.Rhe5#
- 1...Bxb5!
- threat
- 1.Rc5?
- threat
- 2.Sfg5#
- 2.Shg5#
- 2.Bf5#
- 1...Rxh7
- 2.Sg5#
- 2.Sd8#
- 2.Bf5#
- 2.Qe8#
- 1...Rxb8
- 2.Shg5#
- 2.Bf5#
- 1...Bxa1
- 2.Sfg5#
- 2.Bf5#
- 1...Sxd6
- 2.Qxd6#
- 1...Rf8
- 2.Sg5#
- 2.Bf5#
- 1...Bb2
- 2.Sfg5#
- 2.Bf5#
- 1...Bc3
- 2.Sfg5#
- 2.Bf5#
- 1...Bd4
- 2.Sfg5#
- 2.Bf5#
- 1...Be5
- 2.Sfg5#
- 2.Rxe5#
- 1...Bf6
- 2.Bf5#
- 1...Bh6
- 2.Bf5#
- 2.Re5#
- 1...Sc3
- 2.Sfg5#
- 1...Sd4
- 2.Sfg5#
- 1...Sc7
- 2.Shg5#
- 1...bxc5!
- threat
- 1.Rf5?
- threat
- 2.Sfg5#
- 2.Shg5#
- 1...Rxh7
- 2.Sg5#
- 2.Sd8#
- 2.Qe8#
- 1...Rxb8
- 2.Shg5#
- 1...Sxd6
- 2.Qxd6#
- 1...Be5
- 2.Rxe5#
- 1...Bh6
- 2.Re5#
- 1...Sc7
- 2.Shg5#
- 1...Bf6!
- threat
- 1.Qd8?
- threat
- 2.Qe7#
- 1...Sxd6
- 2.Sfg5#
- 2.Shg5#
- 1...Be5
- 2.Rxe5#
- 1...Re8
- 2.Qxe8#
- 1...Bf6
- 2.Qxf6#
- 1...Bf8
- 2.Re5#
- 2.Qf6#
- 1...Rxd8!
- threat
- 1.Qxh8?
- threat
- 2.Qe8#
- 1...Bxh8
- 2.Sf8#
- 1...Be5
- 2.Rxe5#
- 2.Qxe5#
- 1...Bf6
- 2.Sf8#
- 2.Qxf6#
- 1...Bf8
- 2.Sxf8#
- 2.Re5#
- 2.Qe5#
- 2.Qf6#
- 1...Sc7
- 2.Shg5#
- 1...Sxd6!
- threat
- 1.Sf8+?
- Keys
- 1.Be2!
- threat
- 2.Bg4#
- 1...Sxd6
- 2.Qxd6#
- 1...Be5
- 2.Rxe5#
- 1...Sc3
- 2.Sfg5#
- 1...Sd4
- 2.Sfg5#
- 1...Sc7
- 2.Shg5#
- threat
- 1.Be2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 6
- Sets
- R(j);N_GUARD::S(H),XR(j)
- R(j);N_GUARD::QAR2(J),XR(j)
- B(i);N_GUARD::R1(E),XB(i)
- B(i);N_GUARD::R1(E)
- S(b);N_GUARD::B(C)
- S(b);N_GUARD::B(C),XS(b)
- S(c);P_PINB(C)::S(H)
- S(c);OGATE,P_PINB(C),XP(F)::QAR1(J),XS(c)
- S(c);P_PINB(C)::S(I)
- Tries
- Try
- S(I);CHECK
- Vars
- B(i);XS(I)::S(H)
- Refutation
- R(j);P_PINS(H),XS(I)
- Try
- R(D);XS(c)
- Threat
- DUALS(3)
- Vars
- S(b);N_GUARD,XR(D)::B(C)
- B(i);::B(C)
- Refutation
- B(d);P_PINB(C),XR(D)
- Try
- R(E);
- Threat
- DUALS(3)
- Vars
- S(c);OGATE,P_PINB(C),XP(F)::QAR1(J),XS(c)
- B(i);::B(C)
- S(c);P_PINB(C)::S(H)
- S(c);P_PINB(C)::S(I)
- Refutation
- P(e);XR(E)
- Try
- R(E);
- Threat
- DUALS(2)
- Vars
- R(j);XQ(J)::S(I)
- S(c);OGATE,P_PINB(C),XP(F)::QAR1(J),XS(c)
- B(i);N_GUARD::R1(E),XB(i)
- B(i);N_GUARD::R1(E)
- S(c);P_PINB(C)::S(I)
- Refutation
- B(i);
- Try
- Q(J);
- Threat
- QAR1(J)
- Vars
- B(i);N_GUARD::R1(E),XB(i)
- R(j);N_GUARD::QAR2(J),XR(j)
- B(i);N_GUARD::QAR1(J),XB(i)
- Refutation
- R(j);XQ(J)
- Try
- Q(J);XR(j)
- Threat
- QAR2(J)
- Vars
- B(i);N_GUARD,XQ(J)::S(I)
- S(c);P_PINB(C)::S(I)
- Refutation
- S(c);P_PINB(C),XP(F)
- Try
- Actual
- B(C);
- Threat
- B(C)
- Vars
- S(c);OGATE,P_PINB(C),XP(F)::QAR1(J),XS(c)
- B(i);N_GUARD::R1(E),XB(i)
- S(c);P_PINB(C)::S(H)
- S(c);P_PINB(C)::S(I)
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).