MESON Chess Problem Database
Problem Display
PID: 185901 (4R3/1K3p2/5P1p/1RBk4/4p3/N6r/b2b2n1/3Q4 w - - 0 1)
Flatt, Karl
Basler Nachrichten, 1935
#2
7 + 8
| 15601 | Albrecht-Leiss-Degener Collection | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Rh1
- 2.Qxd2#
- 1...Rh2
- 2.Qxd2#
- 1...Re3
- 2.Qh5#
- 1...Rh4
- 2.Qxd2#
- 1...Rh5
- 2.Qxd2#
- 1...Se3
- 2.Qxd2#
- 1...Rh1
- Tries
- 1.Be7+?
- 1...Ke6
- 2.Qg4#
- 1...Kd4!
- 1...Ke6
- 1.Qa4?
- threat
- 2.Bf8#
- 2.Qd4#
- 2.Qxe4#
- 1...Rb3
- 2.Qc4#
- 2.Qd4#
- 2.Qxe4#
- 1...Rc3
- 2.Qd4#
- 2.Qxe4#
- 1...Rd3
- 2.Bf8#
- 2.Qxe4#
- 1...Re3
- 2.Bf8#
- 2.Qd4#
- 1...Rh4
- 2.Bf8#
- 2.Qd4#
- 1...Bb1
- 2.Bf8#
- 2.Qc4#
- 2.Qd4#
- 1...Bc4
- 2.Qxc4#
- 1...Bc3
- 2.Bf8#
- 2.Qxe4#
- 1...Be3
- 2.Qxe4#
- 1...e3
- 2.Bf8#
- 2.Qd4#
- 2.Qe4#
- 1...Bb4!
- threat
- 1.Qg4?
- threat
- 2.Qf5#
- 2.Qd7#
- 2.Qxe4#
- 1...Rxa3
- 2.Qxe4#
- 1...Re3
- 2.Qf5#
- 2.Qh5#
- 2.Qd7#
- 1...Rf3
- 2.Qd7#
- 2.Qxe4#
- 1...Rh4
- 2.Qf5#
- 2.Qd7#
- 1...Rh5
- 2.Qd7#
- 2.Qxe4#
- 1...Bb1
- 2.Qf5#
- 2.Qd7#
- 1...Bc3
- 2.Qd7#
- 2.Qxe4#
- 1...Se3
- 2.Qd7#
- 2.Qxe4#
- 1...Sf4
- 2.Qf5#
- 2.Qd7#
- 1...Sh4
- 2.Qd7#
- 2.Qxe4#
- 1...e3
- 2.Bb4#
- 2.Be7#
- 2.Bf8#
- 2.Qf5#
- 2.Qd7#
- 2.Qd4#
- 2.Qe4#
- 1...Bf4!
- threat
- 1.Qh5+?
- 1...Bg5
- 2.Qxf7#
- 1...Rxh5!
- 1...Bg5
- 1.Qa1?
- threat
- 2.Bb4#
- 2.Bf8#
- 2.Re5#
- 2.Qd4#
- 2.Qe5#
- 1...Rxa3
- 2.Qd4#
- 1...Rb3
- 2.Bb4#
- 2.Re5#
- 2.Qd4#
- 2.Qe5#
- 1...Rd3
- 2.Bb4#
- 2.Bf8#
- 2.Re5#
- 2.Qe5#
- 1...Rh5
- 2.Bb4#
- 2.Bf8#
- 2.Qd4#
- 2.Qxa2#
- 1...Bc4
- 2.Re5#
- 2.Qd4#
- 2.Qe5#
- 1...Bc3
- 2.Qxa2#
- 1...Be3
- 2.Re5#
- 2.Qe5#
- 2.Qxa2#
- 1...Bb4
- 2.Bxb4#
- 2.Re5#
- 2.Qd4#
- 2.Qe5#
- 1...Bf4
- 2.Bb4#
- 2.Bf8#
- 2.Qd4#
- 1...Rc3!
- threat
- 1.Be7+?
- Keys
- 1.Qe2!
- threat
- 2.Qxe4#
- 1...Re3
- 2.Qh5#
- 1...Rh4
- 2.Qxd2#
- 1...Bb1
- 2.Qc4#
- 1...Be3
- 2.Qxa2#
- 1...Se3
- 2.Qxd2#
- 1...e3
- 2.Qd3#
- threat
- 1.Qe2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 3
- Sets
- R(d);N_GUARD::QAR(A),XB(b)
- R(d);N_GUARD::QAR(A)
- S(c);S_CUTR(d)::QAR(A),XB(b)
- Tries
- Try
- B(D);CHECK
- Vars
- K(f);N_SPINB(b),S_FLIGHT::QAB(A)
- Refutation
- K(f);P-FLIGHT
- Try
- Q(A);N_PINB(b)
- Threat
- DUALS(3)
- Vars
- B(a);N_GUARD::QAB1(A),XB(a)
- B(b);::QAB1(A),XP(e)
- Refutation
- B(b);
- Try
- Q(A);N_PINB(b)
- Threat
- DUALS(3)
- Vars
- R(d);XS(B)::QAB1(A),XP(e)
- Refutation
- B(b);
- Try
- Q(A);CHECK,N_PINB(b)
- Vars
- B(b);P_SPINB(b)::QAB(A),XP(h)
- Refutation
- R(d);XQ(A)
- Try
- Q(A);N_PINB(b)
- Threat
- DUALS(5)
- Vars
- R(d);XS(B)::QAR1(A)
- B(b);S_CUTR(d)::QAB(A),XB(a)
- Refutation
- R(d);
- Try
- Actual
- Q(A);N_PINB(b)
- Threat
- QAB1(A),XP(e)
- Vars
- R(d);N_GUARD,S_CUTB(b)::QAR(A)
- R(d);N_GUARD::QAR(A),XB(b)
- B(a);N_GUARD::QAB1(A)
- B(b);OGATE::QAB(A),XB(a)
- S(c);S_CUTR(d)::QAR(A),XB(b)
- P(e);N_GUARD,S_CUTR(d)::QAR2(A)
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).