MESON Chess Problem Database
Problem Display
PID: 16571 (3B1KR1/4N3/2P1p3/Q1q5/2R2N1k/1r4p1/4b1P1/3B2b1 w - - 0 1)
Fischl, Josef
3rd Prize, Die Schwalbe, 1941
#2
10 + 7
| 461 | Schach-Express | 1948 |
| 3098 | FIDE Album (1914-1944) (I) | 1971 |
| 23 | Die Schwalbe | 2004 |
SOLUTION
- SOUND
- Sets
- 1...Qf2
- 2.Sd5#
- 2.Sf5#
- 2.Sc8#
- 2.Qg5#
- 1...Qa3
- 2.Sg6#
- 2.Qg5#
- 1...Qe3
- 2.Sfg6#
- 2.Sed5#
- 2.Sf5#
- 2.Sc8#
- 2.Qg5#
- 1...Qb4
- 2.Sg6#
- 2.Qg5#
- 1...Qd4
- 2.Sf5#
- 2.Qg5#
- 1...Qb6
- 2.Sfg6#
- 2.Sf5#
- 2.Qg5#
- 1...Qd6
- 2.Sg6#
- 2.Qg5#
- 1...Qa7
- 2.Sfg6#
- 2.Sf5#
- 2.Qg5#
- 1...Qxe7+
- 2.Bxe7#
- 1...Qxc4
- 2.Sed5#
- 2.Sf5#
- 2.Sc8#
- 2.Qg5#
- 1...Qxa5
- 2.Sf5#
- 1...Qb5
- 2.Sed5#
- 2.Sf5#
- 1...Qd5
- 2.Sexd5#
- 2.Sf5#
- 1...Qe5
- 2.Sf5#
- 1...Qf5+
- 2.Sxf5#
- 1...Qg5
- 2.Qxg5#
- 1...Qh5
- 2.Sfg6#
- 2.Sf5#
- 1...Qxc6
- 2.Sfg6#
- 2.Sed5#
- 2.Sf5#
- 2.Sxc6#
- 2.Sc8#
- 2.Qg5#
- 1...Bf1
- 2.Rg4#
- 1...Bd3
- 2.Rg4#
- 1...Bxc4
- 2.Rg4#
- 1...Bg4
- 2.Rxg4#
- 1...Qf2
- Tries
- 1.Kf7?
- threat
- 2.Sf5#
- 1...Qxe7+
- 2.Bxe7#
- 1...Qf5+
- 2.Sxf5#
- 1...Qh5+
- 2.Sfg6#
- 1...Bh5+
- 2.Seg6#
- 1...Qg5
- 2.Qxg5#
- 1...Qa7
- 2.Sg6#
- 2.Qg5#
- 1...Rb7!
- threat
- 1.Bxe2?
- threat
- 2.Rg4#
- 1...Qxe7+
- 2.Bxe7#
- 1...Qf5+
- 2.Sxf5#
- 1...Qg5
- 2.Sfg6#
- 2.Seg6#
- 2.Qxg5#
- 1...Qh5
- 2.Sfg6#
- 2.Sf5#
- 2.Seg6#
- 2.Qxh5#
- 1...Rf3!
- threat
- 1.Rxc5?
- threat
- 2.Sed5#
- 2.Sf5#
- 2.Sc8#
- 1...Bd4
- 2.Sf5#
- 1...Rd3
- 2.Sed5#
- 2.Sf5#
- 1...Rb7
- 2.Sf5#
- 1...Rb8
- 2.Sf5#
- 2.Sc8#
- 1...Bxc5!
- threat
- 1.Qxc5?
- threat
- 2.Sfg6#
- 2.Sed5#
- 2.Sf5#
- 2.Sc8#
- 2.Qg5#
- 1...Bd4
- 2.Sf5#
- 2.Qg5#
- 1...Rd3
- 2.Sfg6#
- 2.Sed5#
- 2.Sf5#
- 2.Qg5#
- 1...Rf3
- 2.Sd5#
- 2.Sf5#
- 2.Sc8#
- 2.Qg5#
- 2.Qh5#
- 1...Rb5
- 2.Sfg6#
- 2.Sed5#
- 2.Sf5#
- 2.Sc8#
- 1...Rb7
- 2.Sfg6#
- 2.Sf5#
- 2.Qg5#
- 1...Rb8
- 2.Sfg6#
- 2.Sf5#
- 2.Sc8#
- 2.Qg5#
- 1...e5
- 2.Sed5#
- 2.Sf5#
- 2.Sc8#
- 1...Bxc5!
- threat
- 1.Kf7?
- Keys
- 1.Ke8!
- threat
- 2.Sf5#
- 1...Qxe7+
- 2.Bxe7#
- 1...Qh5+
- 2.Sfg6#
- 1...Qxc6+
- 2.Sxc6#
- 1...Bh5+
- 2.Seg6#
- 1...Qg5
- 2.Qxg5#
- 1...Qf5
- 2.Sxf5#
- threat
- 1.Ke8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 6
- Sets
- Q(f);CHECK,OGATE,P_SPINQ(f),XS(G)::B(H),XQ(f)
- Q(f);N_PINS(G),XQ(E)::B(H)+S(G),DCHECK
- Q(f);N_PINS(G)::B(H)+S(G),DCHECK
- Q(f);CHECK,N_PINS(G)::B(H)+S(G),DCHECK,XQ(f)
- Q(f);N_PINS(G),OGATE::QAB1(E),XQ(f)
- B(b);N_GUARD::R1(J)
- B(b);N_GUARD,XR(C)::R1(J)
- B(b);N_GUARD::R1(J),XB(b)
- Tries
- Try
- K(I);N_SPINS(G),P-FLIGHT
- Threat
- B(H)+S(G),DCHECK
- Vars
- Q(f);CHECK,OGATE,P_SPINQ(f),XS(G)::B(H),XQ(f)
- Q(f);CHECK::B(H)+S(G),DCHECK,XQ(f)
- Q(f);CHECK::R(C)+S(D),DCHECK
- B(b);CHECK::B(H)+S(G),DCHECK
- Q(f);OGATE::QAB1(E),XQ(f)
- Refutation
- R(c);P_PINS(G)
- Try
- B(A);XB(b)
- Threat
- R1(J)
- Vars
- Q(f);CHECK,OGATE,P_SPINQ(f),XS(G)::B(H),XQ(f)
- Q(f);CHECK,N_PINS(G)::B(H)+S(G),DCHECK,XQ(f)
- Refutation
- R(c);N_PINS(G),P_PINS(D)
- Try
- R(C);N_SPINS(G),XQ(f)
- Threat
- DUALS(3)
- Vars
- B(a);::B(H)+S(G),DCHECK
- R(c);::B(H)+S(G),DCHECK
- Refutation
- B(a);P_PINS(G),XR(C)
- Try
- Q(E);N_SPINS(G),XQ(f)
- Threat
- DUALS(5)
- Refutation
- B(a);P_PINS(G),XQ(E)
- Try
- Actual
- K(I);N_SPINS(G),P-FLIGHT
- Threat
- B(H)+S(G),DCHECK
- Vars
- Q(f);CHECK,OGATE,P_SPINQ(f),XS(G)::B(H),XQ(f)
- Q(f);CHECK::R(C)+S(D),DCHECK
- Q(f);CHECK,XP(F)::B(H)+S(G),XQ(f)
- B(b);CHECK::B(H)+S(G),DCHECK
- Q(f);OGATE::QAB1(E),XQ(f)
- Q(f);::B(H)+S(G),DCHECK,XQ(f)
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).