MESON Chess Problem Database
Problem Display
PID: 175721 (B3R2K/Q3p3/4n2R/2qrkNp1/1B4P1/3p2P1/3N1P2/8 w - - 0 1)
Mannheimer, Nathan
Reclam-Sammlung IV, 1898
#2
11 + 7
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Qe3
- 2.Qxe3#
- 1...Qd6
- 2.Qe3#
- 1...Qc1
- 2.Qe3#
- 1...Qc2
- 2.Qe3#
- 1...Qc3
- 2.Qe3#
- 1...Qa5
- 2.Qe3#
- 1...Qb5
- 2.Qe3#
- 1...Qc6
- 2.Qe3#
- 1...Qc7
- 2.Qe3#
- 1...Qc8
- 2.Qe3#
- 1...Rd4
- 2.Sf3#
- 1...Rd6
- 2.Sf3#
- 1...Rd7
- 2.Sf3#
- 1...Rd8
- 2.Sf3#
- 1...Qe3
- Tries
- 1.Qxc5?
- threat
- 2.Qe3#
- 2.Qxd5#
- 1...Rxc5
- 2.Sf3#
- 1...Sd4
- 2.Qxd5#
- 1...Sf4
- 2.Bc3#
- 2.Qe3#
- 1...Sc7
- 2.Bc3#
- 2.Qe3#
- 1...Sxc5!
- threat
- 1.Qb6?
- threat
- 2.Rxe6#
- 2.Qxe6#
- 1...Sd4
- 2.Qf6#
- 1...Qd6
- 2.Qe3#
- 1...Qc6
- 2.Qe3#
- 1...Qc8
- 2.Qe3#
- 1...Rd6
- 2.Sf3#
- 1...Sf4
- 2.Qf6#
- 1...Sc7
- 2.Qf6#
- 1...Sg7
- 2.Qf6#
- 1...Sd8
- 2.Qf6#
- 1...Sf8
- 2.Qf6#
- 1...Qxb6!
- threat
- 1.Qxe7?
- threat
- 2.Rxe6#
- 2.Qf6#
- 2.Qxe6#
- 2.Qg7#
- 1...Qb6
- 2.Qf6#
- 2.Qg7#
- 1...Qd6
- 2.Qf6#
- 2.Qg7#
- 1...Qa7
- 2.Rxe6#
- 2.Qf6#
- 2.Qxe6#
- 1...Qc6
- 2.Qf6#
- 2.Qg7#
- 1...Qc7
- 2.Rxe6#
- 2.Qf6#
- 2.Qxe6#
- 1...Qc8
- 2.Qf6#
- 2.Qg7#
- 1...Rd6
- 2.Sf3#
- 2.Qf6#
- 2.Qg7#
- 1...Rd7
- 2.Sf3#
- 2.Rxe6#
- 2.Qf6#
- 2.Qxe6#
- 1...Qxe7!
- threat
- 1.Qxc5?
- Keys
- 1.Sd6!
- 1...Kd4
- 2.Sf3#
- 1...Kxd6
- 2.Sc4#
- 1...Qxf2
- 2.S2c4#
- 2.S6c4#
- 1...Qxb4
- 2.Sf7#
- 1...Qxd6
- 2.Qe3#
- 1...Qxa7
- 2.Sf3#
- 1...Rxd6
- 2.Sf3#
- 1...exd6
- 2.Qg7#
- 1...Qe3
- 2.S2c4#
- 2.S6c4#
- 2.Sf7#
- 2.Qxe3#
- 1...Qd4
- 2.Sf3#
- 2.Sf7#
- 1...Qb6
- 2.Sf3#
- 1...Qc1
- 2.Sf3#
- 2.Sf7#
- 2.Qe3#
- 1...Qc2
- 2.Sf3#
- 2.Sf7#
- 2.Qe3#
- 1...Qc3
- 2.Sf3#
- 2.Sf7#
- 2.Qe3#
- 1...Qc4
- 2.Sf3#
- 2.S2xc4#
- 2.S6xc4#
- 2.Sf7#
- 1...Qa5
- 2.Sf3#
- 2.S2c4#
- 2.S6c4#
- 2.Sf7#
- 2.Qe3#
- 1...Qb5
- 2.Sf3#
- 2.Sf7#
- 2.Qe3#
- 1...Qc6
- 2.Sf3#
- 2.Sf7#
- 2.Qe3#
- 1...Qc7
- 2.Sf3#
- 2.Sf7#
- 2.Qe3#
- 1...Qc8
- 2.Sf3#
- 2.Sf7#
- 2.Qe3#
- 1...Rd4
- 2.Sf7#
- 1...Sd4
- 2.Sf7#
- 1...Sf4
- 2.Sf3#
- 1...Sc7
- 2.Sf3#
- 1...Sg7
- 2.Sf3#
- 1...Sd8
- 2.Sf3#
- 1...Sf8
- 2.Sf3#
- 1...Kd4
- 1.Sd6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 12
- REMOVED MATES = 11
- Sets
- Q(b);OGATE::QAR2(H),XQ(b)
- Q(b);OGATE::QAR2(H)
- Q(b);OGATE,P_PINR(J)::QAR2(H)
- R(c);::S(A)
- R(c);P_PINR(J)::S(A)
- Tries
- Try
- Q(H);P_PINR(c),XQ(b)
- Threat
- DUALS(2)
- Vars
- R(c);N_SPINR(c),XQ(H)::S(A)
- S(f);P_SPINP(g)::QAR1(H),XR(c)
- Refutation
- S(f);N_SPINR(c),P_SPINP(g),XQ(H)
- Try
- Q(H);
- Threat
- DUALS(2)
- Vars
- S(f);OGATE,P_SPINP(g)::QAB1(H)
- Q(b);OGATE::QAR2(H)
- Q(b);OGATE,P_PINR(J)::QAR2(H)
- R(c);::S(A)
- Refutation
- Q(b);XQ(H)
- Try
- Q(H);P_PINS(f),XP(g)
- Threat
- DUALS(4)
- Refutation
- Q(b);N_SPINS(f),XQ(H)
- Try
- Actual
- S(F);
- Vars
- K(d);P_SPINQ(b),S_FLIGHT::S(A)
- K(d);P_SPINQ(b),P_SPINS(f),S_FLIGHT,XS(F)::S(A)
- Q(b);XB(D)::S(F)
- Q(b);OGATE,XS(F)::QAR2(H)
- Q(b);XQ(H)::S(A)
- R(c);SBLOCK,XS(F)::S(A)
- P(g);OGATE,P_SPINS(f),SBLOCK,XS(F)::QAB(H)
- Q(b);::S(A)
- R(c);SBLOCK::S(F)
- S(f);P_SPINP(g),SBLOCK::S(F)
- S(f);P_SPINP(g)::S(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).