MESON Chess Problem Database
Problem Display
PID: 204273 (bQ5q/2PrPR1p/4Rbn1/2N3p1/2B2kp1/2BP1PN1/4P2P/K7 w - - 0 1)
Hertmann, Sandor
Kitzinger Arbeiter-schachklub, 1925
#2
14 + 9
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Qxb8
- 2.Rfxf6#
- 1...Qc8
- 2.Rfxf6#
- 1...Qd8
- 2.Rfxf6#
- 1...Qe8
- 2.Rfxf6#
- 1...Qg8
- 2.Rfxf6#
- 1...Rxd3
- 2.Sxd3#
- 1...Rd4
- 2.Bd2#
- 1...Rd5
- 2.Re4#
- 1...Bxf3
- 2.e3#
- 1...Be4
- 2.Rxe4#
- 1...Se5
- 2.Bd2#
- 1...Qxb8
- Tries
- 1.Ka2?
- threat
- 2.Bd2#
- 1...Rxd3
- 2.Sxd3#
- 1...gxf3!
- threat
- 1.Bd5?
- threat
- 2.Re4#
- 2.Qb4#
- 2.e3#
- 1...Qxb8
- 2.Re4#
- 2.Rfxf6#
- 2.e3#
- 1...Rxd5
- 2.Re4#
- 1...Rxe7
- 2.Qb4#
- 2.e3#
- 1...gxf3
- 2.Re4#
- 2.Qb4#
- 1...Se5
- 2.Bd2#
- 1...Bb7
- 2.Re4#
- 2.e3#
- 1...Bxd5!
- threat
- 1.Qb1?
- threat
- 2.Qc1#
- 1...Rxd3
- 2.Sxd3#
- 1...gxf3!
- threat
- 1.Qb2?
- threat
- 2.Bd2#
- 2.Qc1#
- 2.Qd2#
- 1...Rxd3
- 2.Sxd3#
- 1...gxf3!
- threat
- 1.Qb7?
- threat
- 2.Re4#
- 2.e3#
- 1...Rxd3
- 2.Sxd3#
- 2.Re4#
- 1...Rxe7
- 2.e3#
- 1...gxf3
- 2.Re4#
- 1...Se5
- 2.Bd2#
- 1...Rd4
- 2.Bd2#
- 2.e3#
- 1...Rd5
- 2.Re4#
- 1...Bxb7!
- threat
- 1.Qxa8?
- threat
- 2.Re4#
- 2.Qe4#
- 2.e3#
- 1...Rxd3
- 2.Sxd3#
- 2.Re4#
- 2.Qe4#
- 1...Rxe7
- 2.Qe4#
- 2.e3#
- 1...gxf3
- 2.Re4#
- 2.Qxf3#
- 2.Qe4#
- 1...Se5
- 2.Bd2#
- 2.Qe4#
- 1...Rd4
- 2.Bd2#
- 2.e3#
- 1...Rd5
- 2.Re4#
- 1...Qxa8+!
- threat
- 1.Ka2?
- Keys
- 1.Qb4!
- threat
- 2.Bd5#
- 1...Rxd3
- 2.Sxd3#
- 1...Bxf3
- 2.e3#
- 1...Be4
- 2.Rxe4#
- 1...Se5
- 2.Bd2#
- 1...Qb8
- 2.Rfxf6#
- 1...Rd4
- 2.Bd2#
- 1...Rd5
- 2.Bxd5#
- 2.Re4#
- 1...Bd5
- 2.Bxd5#
- threat
- 1.Qb4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 5
- Sets
- Q(i);N_GUARD,XQ(N)::R(M),XB(d)
- Q(i);N_GUARD::R(M),XB(d)
- R(f);XP(E)::S(I),XR(f)
- R(f);N_PINB(D)::B(D)
- R(f);S_CUTB(h)::R1(J)
- B(h);SBLOCK,XP(F)::P(B)
- B(h);N_GUARD::R1(J),XB(h)
- S(e);N_PINB(D)::B(D)
- Tries
- Try
- K(A);N_SPINB(D),P-FLIGHT
- Threat
- B(D)
- Vars
- R(f);XP(E)::S(I),XR(f)
- Refutation
- P(b);XP(F)
- Try
- B(H);
- Threat
- DUALS(3)
- Vars
- R(f);XB(H)::R1(J)
- S(e);N_PINB(D)::B(D)
- Refutation
- B(h);XB(H)
- Try
- Q(N);
- Threat
- QAB(N)
- Vars
- R(f);XP(E)::S(I),XR(f)
- Refutation
- P(b);XP(F)
- Try
- Q(N);N_SPINB(D)
- Threat
- DUALS(3)
- Vars
- R(f);XP(E)::S(I),XR(f)
- Refutation
- P(b);XP(F)
- Try
- Q(N);
- Threat
- DUALS(2)
- Vars
- R(f);XP(L)::P(B)
- P(b);XP(F)::R1(J)
- S(e);N_PINB(D)::B(D)
- R(f);::R1(J)
- Refutation
- B(h);XQ(N)
- Try
- Q(N);XB(h)
- Threat
- DUALS(3)
- Vars
- R(f);::R1(J)
- Refutation
- Q(i);CHECK,XQ(N)
- Try
- Actual
- Q(N);
- Threat
- QAR(N)+B(H)
- Vars
- R(f);XP(E)::S(I),XR(f)
- B(h);SBLOCK,XP(F)::P(B)
- B(h);N_GUARD::R1(J),XB(h)
- S(e);N_PINB(D)::B(D)
- Q(i);N_GUARD::R(M),XB(d)
- R(f);N_PINB(D)::B(D)
- B(h);::QAR(N)+B(H),XB(h)
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).