MESON Chess Problem Database
Problem Display
PID: 92713 (3Q4/K1P1R2N/2p1p2B/PP2kp2/2np1R2/2rn4/b1N2b2/1q5B w - - 0 1)
Paros, Gyorgy
Tijdschrift vd KNSB, 1937
#2
11 + 11
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Be1
- 2.Qxd4#
- 1...Bg3
- 2.Qxd4#
- 1...Bh4
- 2.Qxd4#
- 1...Sxf4
- 2.Bg7#
- 1...Se3
- 2.Qxd4#
- 1...Sd6
- 2.Qh8#
- 1...cxb5
- 2.Qd5#
- 1...c5
- 2.Qd5#
- 1...Be1
- Tries
- 1.Se3?
- threat
- 2.Rxf5#
- 2.Qxd4#
- 1...Qxh1
- 2.Qxd4#
- 1...Sxf4
- 2.Bg7#
- 1...Sxe3
- 2.Qxd4#
- 1...dxe3
- 2.Qd4#
- 1...Sc1
- 2.Qxd4#
- 1...Se1
- 2.Qxd4#
- 1...Sdb2
- 2.Qxd4#
- 1...Sb4
- 2.Qxd4#
- 1...Sc5
- 2.Qxd4#
- 1...Sd6
- 2.Qh8#
- 1...c5
- 2.Rxf5#
- 2.Qd5#
- 1...Bxe3!
- threat
- 1.Rxf2?
- threat
- 2.Bg7#
- 2.Qxd4#
- 1...Qxc2
- 2.Bg7#
- 1...Qxh1
- 2.Qxd4#
- 1...Rxc2
- 2.Bg7#
- 1...Sxf2
- 2.Qxd4#
- 1...Qg1
- 2.Qxd4#
- 1...Sd6
- 2.Bg7#
- 2.Qh8#
- 1...c5
- 2.Bg7#
- 2.Qd5#
- 1...f4!
- threat
- 1.Rg4?
- threat
- 2.Bg7#
- 1...f4
- 2.Rg5#
- 1...Bh4
- 2.Qxd4#
- 1...fxg4!
- threat
- 1.Rh4?
- threat
- 2.Bg7#
- 1...Bxh4
- 2.Qxd4#
- 1...f4
- 2.Rh5#
- 1...Qg1!
- threat
- 1.Rd7?
- threat
- 2.Qf6#
- 2.Qh8#
- 1...Qg1
- 2.Qf6#
- 1...Bh4!
- threat
- 1.c8Q?
- threat
- 2.Rxe6#
- 2.Qxe6#
- 1...Sxf4
- 2.Bg7#
- 1...Sxa5
- 2.Qdc7#
- 2.Qcc7#
- 2.Qb8#
- 1...Scb2
- 2.Qdc7#
- 2.Qcc7#
- 2.Qb8#
- 1...Sd2
- 2.Qdc7#
- 2.Qcc7#
- 2.Qb8#
- 1...Sa3
- 2.Qdc7#
- 2.Qcc7#
- 2.Qb8#
- 1...Se3
- 2.Qdc7#
- 2.Qcc7#
- 2.Qb8#
- 2.Qxd4#
- 1...Sb6
- 2.Qdc7#
- 2.Qcc7#
- 2.Qb8#
- 1...Sd6
- 2.Qh8#
- 1...Sc5!
- threat
- 1.c8B?
- threat
- 2.Rxe6#
- 1...Sxf4
- 2.Bg7#
- 1...Sxa5
- 2.Qc7#
- 1...Scb2
- 2.Qc7#
- 1...Sd2
- 2.Qc7#
- 1...Sa3
- 2.Qc7#
- 1...Se3
- 2.Qc7#
- 2.Qxd4#
- 1...Sb6
- 2.Qc7#
- 1...Sd6
- 2.Qh8#
- 1...Sc5!
- threat
- 1.Se3?
- Keys
- 1.Sxd4!
- threat
- 2.Rxf5#
- 2.Rxe6#
- 1...Bxd4+
- 2.Qxd4#
- 1...Qxh1
- 2.Rxe6#
- 1...Sxf4
- 2.Bg7#
- 1...Sxa5
- 2.Rxf5#
- 1...Sc1
- 2.Rxe6#
- 1...Se1
- 2.Rxe6#
- 1...Sdb2
- 2.Rxe6#
- 1...Sb4
- 2.Rxe6#
- 1...Sc5
- 2.Sxc6#
- 1...Scb2
- 2.Rxf5#
- 1...Sd2
- 2.Rxf5#
- 1...Sa3
- 2.Rxf5#
- 1...Se3
- 2.Sf3#
- 1...Sb6
- 2.Sf3#
- 2.Rxf5#
- 1...Sd6
- 2.Qh8#
- threat
- 1.Sxd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 11
- REMOVED MATES = 5
- Sets
- B(c);N_GUARD::QAB1(K),XP(g)
- S(e);SBLOCK,XR(C)::B(F)
- S(f);S_CUTB(c)::QAB1(K),XP(g)
- S(f);SBLOCK::QAB(K)
- P(j);N_GUARD,XP(E)::QAR1(K)
- P(j);N_GUARD::QAR1(K)
- Tries
- Try
- S(B);
- Threat
- DUALS(2)
- Vars
- Q(a);XB(A)::QAB1(K),XP(g)
- S(e);SBLOCK,XR(C)::B(F)
- S(f);XS(B)::QAB1(K),XP(g)
- P(g);XS(B)::QAB1(K)
- S(e);::QAB1(K),XP(g)
- S(f);SBLOCK::QAB(K)
- Refutation
- B(c);XS(B)
- Try
- R(C);XB(c)
- Threat
- DUALS(2)
- Vars
- Q(a);XS(B)::B(F)
- Q(a);XB(A)::QAB1(K),XP(g)
- R(d);XS(B)::B(F)
- S(e);XR(C)::QAB1(K),XP(g)
- Q(a);::QAB1(K),XP(g)
- Refutation
- P(i);
- Try
- R(C);
- Threat
- B(F)
- Vars
- P(i);OGATEB,SBLOCK::R(C)
- B(c);N_GUARD::QAB1(K),XP(g)
- Refutation
- P(i);XR(C)
- Try
- R(C);
- Threat
- B(F)
- Vars
- B(c);N_GUARD,XR(C)::QAB1(K),XP(g)
- P(i);OGATEB::R(C)
- Refutation
- Q(a);
- Try
- R(I);N_PINP(k)
- Threat
- DUALS(2)
- Vars
- Q(a);::QAB1(K)
- Refutation
- B(c);
- Try
- P(H);
- Threat
- DUALS(2)
- Vars
- S(e);SBLOCK,XR(C)::B(F)
- S(f);SBLOCK::QAB(K)
- Refutation
- S(e);
- Try
- P(H);
- Threat
- R1(I),XP(k)
- Vars
- S(e);SBLOCK,XR(C)::B(F)
- S(f);N_GUARD,XP(D)::QAB(K)
- S(f);N_GUARD::QAB(K)
- S(f);SBLOCK::QAB(K)
- Refutation
- S(e);
- Try
- Actual
- S(B);P_SPINS(B),XP(g)
- Threat
- DUALS(2)
- Vars
- B(c);CHECK,OGATE,XS(B)::QAB1(K),XB(c)
- Q(a);XB(A)::R1(I),XP(k)
- S(e);SBLOCK,XR(C)::B(F)
- S(f);XP(D)::R1(C),XP(i)
- S(e);::R1(I),XP(k)
- S(e);N_PINS(B)::S(B),XP(j)
- S(f);::R1(C),XP(i)
- S(f);N_PINS(B)::S(B)
- S(f);SBLOCK::QAB(K)
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).