MESON Chess Problem Database
Problem Display
PID: 172126 (8/1pPQ1p2/b1rB3K/6pp/1P1kP2R/1PNB3R/3P3P/b5n1 w - - 0 1)
Apro, Laszlo
Limburgs Dagblad, 1937
#2
13 + 9
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Rxc3
- 2.Bg3#
- 2.Bf4#
- 1...Rc4
- 2.Bg3#
- 2.Bf4#
- 1...Rxd6+
- 2.Qxd6#
- 1...Rxc7
- 2.Bxc7#
- 1...Bb5
- 2.Sxb5#
- 1...Se2
- 2.Sxe2#
- 1...f5
- 2.Qg7#
- 1...Rxc3
- Tries
- 1.Bc4?
- threat
- 2.Rd3#
- 1...Rxd6+
- 2.Qxd6#
- 1...Rxc4
- 2.Bg3#
- 2.Bf4#
- 1...Sxh3
- 2.Se2#
- 1...Sf3
- 2.Se2#
- 1...Bxc4!
- threat
- 1.Bxa6?
- threat
- 2.Sb5#
- 2.Rd3#
- 1...Rxd6+
- 2.Qxd6#
- 1...Rxc3
- 2.Bg3#
- 1...Rxa6
- 2.Sb5#
- 1...Bxc3
- 2.Rd3#
- 1...Sxh3
- 2.Se2#
- 1...gxh4
- 2.Rd3#
- 1...Rc4
- 2.Sb5#
- 2.Bg3#
- 2.Bf4#
- 1...Rc5
- 2.Rd3#
- 1...Rb6
- 2.Rd3#
- 1...Sf3
- 2.Se2#
- 1...g4
- 2.Rd3#
- 1...b5
- 2.Sxb5#
- 1...bxa6!
- threat
- 1.Qf5?
- threat
- 2.Qf2#
- 2.Qd5#
- 2.Qe5#
- 2.Qf6#
- 1...Sxh3
- 2.Qd5#
- 1...Sf3
- 2.Qd5#
- 1...Rc5
- 2.Bxc5#
- 2.Qf2#
- 2.Qxc5#
- 1...Bc4
- 2.Qf2#
- 2.Qe5#
- 2.Qf6#
- 1...f6
- 2.Qf2#
- 2.Qd5#
- 2.Qxf6#
- 1...Rxd6+!
- threat
- 1.Qxc6?
- threat
- 2.Qd5#
- 2.Qc5#
- 2.Qb6#
- 1...Sxh3
- 2.Qd5#
- 1...Sf3
- 2.Qd5#
- 1...Bc4
- 2.Qxc4#
- 2.Qc5#
- 2.Qb6#
- 1...b6
- 2.Qd5#
- 2.Qxb6#
- 1...bxc6!
- threat
- 1.Qe6?
- threat
- 2.Be5#
- 2.Qd5#
- 2.Qe5#
- 2.Qf6#
- 1...Rxd6
- 2.Qxd6#
- 1...Sxh3
- 2.Qd5#
- 1...Sf3
- 2.Qd5#
- 1...Rc5
- 2.Bxc5#
- 1...Bc4
- 2.Be5#
- 2.Qe5#
- 2.Qf6#
- 1...f6
- 2.Qd5#
- 2.Qxf6#
- 1...fxe6!
- threat
- 1.Qxf7?
- threat
- 2.Qd5#
- 2.Qf2#
- 2.Qf6#
- 2.Qg7#
- 1...Rxc7
- 2.Qd5#
- 2.Qf2#
- 2.Qf6#
- 1...Sxh3
- 2.Qd5#
- 1...Sf3
- 2.Qd5#
- 1...Rc5
- 2.Qf2#
- 1...Bc4
- 2.Qf2#
- 2.Qf6#
- 2.Qg7#
- 1...Rxd6+!
- threat
- 1.Bc4?
- Keys
- 1.Bb5!
- threat
- 2.Rd3#
- 1...Rxd6+
- 2.Qxd6#
- 1...Rxc3
- 2.Bg3#
- 1...Bxb5
- 2.Sxb5#
- 1...Sxh3
- 2.Se2#
- 1...Rc4
- 2.Bg3#
- 2.Bf4#
- 1...Sf3
- 2.Se2#
- threat
- 1.Bb5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 3
- Sets
- R(g);CHECK,OGATE,P_SPINR(g),XB(J)::QAR2(M),XR(g)
- R(g);N_PINB(J),XP(L)::QAR(M)+B(J),XR(g)
- B(f);N_GUARD::S(D),XB(f)
- S(b);N_GUARD::S(D),XS(b)
- P(i);OGATE::QAB(M)
- Tries
- Try
- B(E);
- Threat
- R1(F)
- Vars
- R(g);CHECK,OGATE,P_SPINR(g),XB(J)::QAR2(M),XR(g)
- S(b);N_GUARD,XR(F)::S(D)
- S(b);N_GUARD::S(D)
- Refutation
- B(f);XB(E)
- Try
- B(E);XB(f)
- Threat
- DUALS(2)
- Vars
- R(g);CHECK,OGATE,P_SPINR(g),XB(J)::QAR2(M),XR(g)
- R(g);N_PINB(J),XS(D)::QAR(M)+B(J)
- R(g);XB(E)::S(D)
- B(a);XS(D)::R1(F)
- S(b);N_GUARD,XR(F)::S(D)
- P(d);XR(I)::R1(F)
- R(g);N_PINB(J)::R1(F)
- R(g);::R1(F)
- S(b);N_GUARD::S(D)
- P(d);::R1(F)
- P(h);::S(D),XP(h)
- Refutation
- P(h);XB(E)
- Try
- Q(M);
- Threat
- DUALS(4)
- Vars
- S(b);XR(F)::QAR1(M)
- S(b);::QAR1(M)
- Refutation
- R(g);CHECK,XB(J)
- Try
- Q(M);N_SPINB(J),XR(g)
- Threat
- DUALS(3)
- Vars
- S(b);XR(F)::QAR1(M)
- S(b);::QAR1(M)
- Refutation
- P(h);XQ(M)
- Try
- Q(M);N_SPINB(J)
- Threat
- DUALS(4)
- Vars
- R(g);OGATE,P_PINQ(M),XB(J)::QAR2(M),XR(g)
- S(b);XR(F)::QAR1(M)
- S(b);::QAR1(M)
- R(g);N_GUARD::B(J),XR(g)
- Refutation
- P(i);XQ(M)
- Try
- Q(M);XP(i)
- Threat
- DUALS(4)
- Vars
- S(b);XR(F)::QAR1(M)
- S(b);::QAR1(M)
- R(g);N_PINB(J)::QAB(M)
- Refutation
- R(g);CHECK,XB(J)
- Try
- Actual
- B(E);
- Threat
- R1(F)
- Vars
- R(g);CHECK,OGATE,P_SPINR(g),XB(J)::QAR2(M),XR(g)
- R(g);N_PINB(J),XS(D)::QAR(M)+B(J)
- B(f);XB(E)::S(D),XB(f)
- S(b);N_GUARD,XR(F)::S(D)
- S(b);N_GUARD::S(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).