MESON Chess Problem Database
Problem Display
PID: 262869 (2R5/8/1K6/2Bp4/2kqnR2/7Q/4N3/8 w - - 0 1)
Lipton, Michael
Springaren, 2011
#2
6 + 4
| 15601 | Albrecht-Leiss-Degener Collection | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Qa1
- 2.Ba3#
- 2.Bd6#
- 2.Be7#
- 2.Bf8#
- 1...Qg1
- 2.Qc3#
- 1...Qf2
- 2.Qc3#
- 1...Qc3
- 2.Qxc3#
- 1...Qe5
- 2.Bd6#
- 1...Qf6+
- 2.Bd6#
- 1...Qg7
- 2.Be7#
- 1...Qh8
- 2.Bf8#
- 1...Qd1
- 2.Ba3#
- 2.Bd6#
- 2.Be7#
- 2.Bf8#
- 2.Qc3#
- 1...Qd2
- 2.Ba3#
- 2.Bd6#
- 2.Be7#
- 2.Bf8#
- 1...Sd2
- 2.Rxd4#
- 2.Qc3#
- 1...Sf2
- 2.Rxd4#
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Sxc5
- 2.Rxd4#
- 2.Qc3#
- 1...Sg5
- 2.Rxd4#
- 2.Qc3#
- 1...Sd6
- 2.Rxd4#
- 2.Qc3#
- 1...Sf6
- 2.Rxd4#
- 2.Qc3#
- 1...Qa1
- Tries
- 1.Sxd4?
- threat
- 2.Qb3#
- 1...Sd2
- 2.Ba3#
- 2.Bd6#
- 2.Be7#
- 2.Bf8#
- 1...Sc3
- 2.Ba3#
- 2.Bd6#
- 2.Be7#
- 2.Bf8#
- 1...Sg3!
- threat
- 1.Bxd4+?
- 1...Sc5
- 2.Qc3#
- 1...Kb4!
- 1...Sc5
- 1.Rxe4?
- threat
- 2.Rxd4#
- 2.Qc3#
- 1...Qxe4
- 2.Ba3#
- 2.Bd6#
- 2.Be7#
- 2.Bf8#
- 2.Qc3#
- 1...dxe4!
- threat
- 1.Sxd4?
- Keys
- 1.Qa3!
- 1...Qb2+
- 2.Bb4#
- 1...Qxc5+
- 2.Rxc5#
- 1...Qf6+
- 2.Bd6#
- 1...Sxc5
- 2.Rxd4#
- 2.Rxc5#
- 2.Qc3#
- 1...Qc3
- 2.Qxc3#
- 1...Sc3
- 2.Rxd4#
- 2.Qxc3#
- 1...Qa1
- 2.Bg1#
- 2.Bf2#
- 2.Be3#
- 2.Bb4#
- 2.Bd6#
- 2.Be7#
- 2.Bf8#
- 1...Qg1
- 2.Bxg1#
- 2.Bf2#
- 2.Be3#
- 2.Qc3#
- 1...Qf2
- 2.Bxf2#
- 2.Be3#
- 2.Qc3#
- 1...Qe3
- 2.Bxe3#
- 1...Qe5
- 2.Bd6#
- 1...Qg7
- 2.Be7#
- 1...Qh8
- 2.Bf8#
- 1...Qd1
- 2.Bg1#
- 2.Bf2#
- 2.Be3#
- 2.Bb4#
- 2.Bd6#
- 2.Be7#
- 2.Bf8#
- 2.Qc3#
- 1...Qd2
- 2.Bg1#
- 2.Bf2#
- 2.Be3#
- 2.Bb4#
- 2.Bd6#
- 2.Be7#
- 2.Bf8#
- 1...Qd3
- 2.Bg1#
- 2.Bf2#
- 2.Be3#
- 2.Bb4#
- 2.Bd6#
- 2.Be7#
- 2.Bf8#
- 2.Qb4#
- 2.Qa4#
- 1...Sd2
- 2.Bxd4#
- 2.Rxd4#
- 2.Qc3#
- 1...Sf2
- 2.Bxd4#
- 2.Rxd4#
- 2.Qc3#
- 1...Sg3
- 2.Bxd4#
- 2.Rxd4#
- 2.Qc3#
- 1...Sg5
- 2.Bxd4#
- 2.Rxd4#
- 2.Qc3#
- 1...Sd6
- 2.Rxd4#
- 2.Qc3#
- 1...Sf6
- 2.Bxd4#
- 2.Rxd4#
- 2.Qc3#
- 1...Qb2+
- 1.Qa3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 3
- Sets
- Q(b);N_GUARD,P_SPINS(c)::QAR1(B)
- Q(b);N_GUARD,N_PINB(D),P_SPINS(c)::QAR1(B),XQ(b)
- Q(b);N_PINB(D),P_SPINS(c)::R(F)+B(D)
- Q(b);CHECK,N_PINB(D),P_SPINS(c)::R(F)+B(D)
- S(c);N_GUARD,P_SPINQ(b)::QAR1(B),XS(c)
- Tries
- Try
- S(A);N_SPINB(D),XQ(b)
- Threat
- QAB1(B)
- Refutation
- S(c);
- Try
- B(D);CHECK,N_SPINB(D),XQ(b)
- Vars
- S(c);P_SPINS(c)::QAR1(B)
- Refutation
- K(a);P-FLIGHT
- Try
- R(C);P_PINQ(b),XS(c)
- Threat
- DUALS(2)
- Refutation
- P(d);N_SPINQ(b),XR(C)
- Try
- Actual
- Q(B);
- Vars
- Q(b);CHECK,N_PINB(D),P_SPINS(c)::R(F)+B(D)
- Q(b);CHECK,OGATE,P_SPINQ(b),P_SPINS(c),XB(D)::R1(F),XQ(b)
- Q(b);N_GUARD,N_PINB(D),P_SPINS(c)::QAR1(B),XQ(b)
- Q(b);P_SPINS(c)::R(F)+B(D),XQ(b)
- Q(b);N_PINB(D),P_SPINS(c)::R(F)+B(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).