MESON Chess Problem Database
Problem Display
PID: 174957 (4N3/4Np2/2P1p3/rb2kB2/8/1Q4P1/1P1b1B1K/8 w - - 0 1)
Ros, Johan August
370 Utvalda Svenska Schackprob, 1901
#2
9 + 6
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Qxb5#
- 1...Ra2
- 2.Qxb5#
- 1...Ra3
- 2.Qxb5#
- 1...Ra4
- 2.Qxb5#
- 1...Ra6
- 2.Qxb5#
- 1...Ra7
- 2.Qxb5#
- 1...Ra8
- 2.Qxb5#
- 1...Bc1
- 2.Qc3#
- 1...Be1
- 2.Qe3#
- 1...Bc3
- 2.Qxc3#
- 1...Be3
- 2.Qxe3#
- 1...Bb4
- 2.Qe3#
- 1...Bf4
- 2.Qc3#
- 1...Bg5
- 2.Qc3#
- 1...Bh6
- 2.Qc3#
- 1...Bf1
- 2.Qb8#
- 1...Be2
- 2.Qb8#
- 1...Bd3
- 2.Qb8#
- 1...Ba4
- 2.Qb8#
- 1...Bc4
- 2.Qb8#
- 1...Ba6
- 2.Qb8#
- 1...Bxc6
- 2.Qb8#
- 1...exf5
- 2.Qd5#
- 1...f6
- 2.Qxe6#
- 1...Ra1
- Tries
- 1.Kg1?
- 1...Bxc6
- 2.Qb8#
- 1...exf5
- 2.Qd5#
- 1...Be3
- 2.Qxe3#
- 1...Ra2
- 2.Qxb5#
- 1...Ra3
- 2.Qxb5#
- 1...Ra4
- 2.Qxb5#
- 1...Ra6
- 2.Qxb5#
- 1...Ra7
- 2.Qxb5#
- 1...Ra8
- 2.Qxb5#
- 1...Bc1
- 2.Qc3#
- 1...Be1
- 2.Qe3#
- 1...Bc3
- 2.Qxc3#
- 1...Bb4
- 2.Qe3#
- 1...Bf4
- 2.Qc3#
- 1...Bg5
- 2.Qc3#
- 1...Bh6
- 2.Qc3#
- 1...Bf1
- 2.Qb8#
- 1...Be2
- 2.Qb8#
- 1...Bd3
- 2.Qb8#
- 1...Ba4
- 2.Qb8#
- 1...Bc4
- 2.Qb8#
- 1...Ba6
- 2.Qb8#
- 1...f6
- 2.Qxe6#
- 1...Ra1+!
- 1...Bxc6
- 1.Kh3?
- 1...Bxc6
- 2.Qb8#
- 1...exf5
- 2.Qd5#
- 1...Be3
- 2.Qxe3#
- 1...Ra1
- 2.Qxb5#
- 1...Ra2
- 2.Qxb5#
- 1...Ra3
- 2.Qxb5#
- 1...Ra4
- 2.Qxb5#
- 1...Ra6
- 2.Qxb5#
- 1...Ra7
- 2.Qxb5#
- 1...Ra8
- 2.Qxb5#
- 1...Bc1
- 2.Qc3#
- 1...Be1
- 2.Qe3#
- 1...Bc3
- 2.Qxc3#
- 1...Bb4
- 2.Qe3#
- 1...Bf4
- 2.Qc3#
- 1...Bg5
- 2.Qc3#
- 1...Bh6
- 2.Qc3#
- 1...Be2
- 2.Qb8#
- 1...Bd3
- 2.Qb8#
- 1...Ba4
- 2.Qb8#
- 1...Bc4
- 2.Qb8#
- 1...Ba6
- 2.Qb8#
- 1...f6
- 2.Qxe6#
- 1...Bf1+!
- 1...Bxc6
- 1.Sg6+?
- 1...fxg6
- 2.Qxe6#
- 1...Kxf5!
- 1...fxg6
- 1.Ba7?
- 1...Bxc6
- 2.Qb8#
- 1...exf5
- 2.Qd5#
- 1...Ra1
- 2.Qxb5#
- 1...Ra2
- 2.Qxb5#
- 1...Ra3
- 2.Qxb5#
- 1...Ra4
- 2.Qxb5#
- 1...Ra6
- 2.Qxb5#
- 1...Bc1
- 2.Qc3#
- 1...Be1
- 2.Qe3#
- 1...Bc3
- 2.Qxc3#
- 1...Be3
- 2.Qxe3#
- 1...Bb4
- 2.Qe3#
- 1...Bf4
- 2.Qc3#
- 1...Bg5
- 2.Qc3#
- 1...Bh6
- 2.Qc3#
- 1...Bf1
- 2.Qb8#
- 1...Be2
- 2.Qb8#
- 1...Bd3
- 2.Qb8#
- 1...Ba4
- 2.Qb8#
- 1...Bc4
- 2.Qb8#
- 1...Ba6
- 2.Qb8#
- 1...f6
- 2.Qxe6#
- 1...Rxa7!
- 1...Bxc6
- 1.Bb1?
- 1...Bxc6
- 2.Sxc6#
- 2.Qb8#
- 1...Be3
- 2.Qxe3#
- 1...Ra1
- 2.Qxb5#
- 1...Ra2
- 2.Qxb5#
- 1...Ra3
- 2.Qxb5#
- 1...Ra4
- 2.Qxb5#
- 1...Ra6
- 2.Qxb5#
- 1...Ra7
- 2.Qxb5#
- 1...Ra8
- 2.Qxb5#
- 1...Bc1
- 2.Qc3#
- 1...Be1
- 2.Qe3#
- 1...Bc3
- 2.Qxc3#
- 1...Bb4
- 2.Qe3#
- 1...Bf4
- 2.Qc3#
- 1...Bg5
- 2.Qc3#
- 1...Bh6
- 2.Qc3#
- 1...Bf1
- 2.Qb8#
- 1...Be2
- 2.Qb8#
- 1...Ba4
- 2.Qb8#
- 1...Bc4
- 2.Qb8#
- 1...Ba6
- 2.Qb8#
- 1...f5
- 2.Sg6#
- 1...f6
- 2.Sg6#
- 1...Bd3!
- 1...Bxc6
- 1.Bc2?
- 1...Bxc6
- 2.Sxc6#
- 2.Qb8#
- 1...Be3
- 2.Qxe3#
- 1...Ra1
- 2.Qxb5#
- 1...Ra2
- 2.Qxb5#
- 1...Ra3
- 2.Qxb5#
- 1...Ra4
- 2.Qxb5#
- 1...Ra6
- 2.Qxb5#
- 1...Ra7
- 2.Qxb5#
- 1...Ra8
- 2.Qxb5#
- 1...Bc1
- 2.Qc3#
- 1...Be1
- 2.Qe3#
- 1...Bc3
- 2.Qxc3#
- 1...Bb4
- 2.Qe3#
- 1...Bf4
- 2.Qc3#
- 1...Bg5
- 2.Qc3#
- 1...Bh6
- 2.Qc3#
- 1...Bf1
- 2.Qb8#
- 1...Be2
- 2.Qb8#
- 1...Ba4
- 2.Qb8#
- 1...Bc4
- 2.Qb8#
- 1...Ba6
- 2.Qb8#
- 1...f5
- 2.Sg6#
- 1...f6
- 2.Sg6#
- 1...Bd3!
- 1...Bxc6
- 1.Qc4?
- threat
- 2.Bd4#
- 2.Qd4#
- 2.Qe4#
- 2.Qc5#
- 1...Bxc6
- 2.Bd4#
- 2.Qd4#
- 1...exf5
- 2.Qd5#
- 1...Ra4
- 2.Bd4#
- 2.Qxb5#
- 2.Qc5#
- 1...Bc3
- 2.Qxc3#
- 2.Qe4#
- 2.Qf4#
- 2.Qc5#
- 1...Be3
- 2.Qe4#
- 1...Bb4
- 2.Bd4#
- 2.Qd4#
- 2.Qe4#
- 2.Qf4#
- 1...Ba4
- 2.Bd4#
- 2.Qd4#
- 2.Qe4#
- 1...Ba6
- 2.Bd4#
- 2.Qd4#
- 2.Qe4#
- 1...Bxc4!
- threat
- 1.Qd3?
- threat
- 2.Bd4#
- 2.Qe4#
- 2.Qd4#
- 2.Qd6#
- 1...Bxc6
- 2.Sxc6#
- 2.Bd4#
- 2.Qd4#
- 2.Qd6#
- 1...exf5
- 2.Qxf5#
- 2.Qd5#
- 1...Ra4
- 2.Qxb5#
- 2.Qd6#
- 1...Bc3
- 2.Qe4#
- 2.Qxc3#
- 2.Qe3#
- 2.Qd6#
- 1...Be3
- 2.Qe4#
- 2.Qxe3#
- 2.Qd6#
- 1...Bb4
- 2.Bd4#
- 2.Qe4#
- 2.Qe3#
- 2.Qd4#
- 1...Bxd3!
- threat
- 1.Kg1?
- Keys
- 1.Bg1!
- 1...Bxc6
- 2.Qb8#
- 1...exf5
- 2.Qd5#
- 1...Be3
- 2.Qxe3#
- 1...Ra1
- 2.Qxb5#
- 1...Ra2
- 2.Qxb5#
- 1...Ra3
- 2.Qxb5#
- 1...Ra4
- 2.Qxb5#
- 1...Ra6
- 2.Qxb5#
- 1...Ra7
- 2.Qxb5#
- 1...Ra8
- 2.Qxb5#
- 1...Bc1
- 2.Qc3#
- 1...Be1
- 2.Qe3#
- 1...Bc3
- 2.Qxc3#
- 1...Bb4
- 2.Qe3#
- 1...Bf4
- 2.Qc3#
- 1...Bg5
- 2.Qc3#
- 1...Bh6
- 2.Qc3#
- 1...Bf1
- 2.Qb8#
- 1...Be2
- 2.Qb8#
- 1...Bd3
- 2.Qb8#
- 1...Ba4
- 2.Qb8#
- 1...Bc4
- 2.Qb8#
- 1...Ba6
- 2.Qb8#
- 1...f6
- 2.Qxe6#
- 1...Bxc6
- 1.Bg1!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(b);N_GUARD::QAR(D),XB(c)
- B(a);N_GUARD::QAB(D)
- B(a);N_GUARD::QAR2(D)
- B(a);N_GUARD::QAB(D),XB(a)
- B(a);N_GUARD::QAR2(D),XB(a)
- B(a);N_GUARD,P_PINP(E)::QAB(D)
- B(c);OGATE::QAB(D)
- B(c);OGATE,XP(G)::QAB(D)
- P(e);N_GUARD,XB(F)::QAR1(D)
- P(f);N_GUARD::QAR1(D),XP(e)
- Tries
- Try
- K(C);S_FLIGHT
- Vars
- B(c);OGATE,XP(G)::QAB(D)
- P(e);N_GUARD,XB(F)::QAR1(D)
- B(a);N_GUARD,P_PINB(B)::QAR2(D),XB(a)
- R(b);N_GUARD::QAR(D),XB(c)
- B(a);N_GUARD::QAB(D)
- B(a);N_GUARD::QAR2(D)
- B(a);N_GUARD::QAB(D),XB(a)
- B(c);OGATE::QAB(D)
- P(f);N_GUARD::QAR1(D),XP(e)
- Refutation
- R(b);CHECK
- Try
- K(C);P-FLIGHT
- Vars
- B(c);OGATE,XP(G)::QAB(D)
- P(e);N_GUARD,XB(F)::QAR1(D)
- B(a);N_GUARD::QAR2(D),XB(a)
- R(b);N_GUARD::QAR(D),XB(c)
- B(a);N_GUARD::QAB(D)
- B(a);N_GUARD::QAR2(D)
- B(a);N_GUARD::QAB(D),XB(a)
- B(c);OGATE::QAB(D)
- P(f);N_GUARD::QAR1(D),XP(e)
- Refutation
- B(c);CHECK
- Try
- S(H);CHECK
- Vars
- P(f);XS(H)::QAR1(D),XP(e)
- Refutation
- K(d);P-FLIGHT,XB(F)
- Try
- B(B);
- Vars
- B(c);OGATE,XP(G)::QAB(D)
- P(e);N_GUARD,XB(F)::QAR1(D)
- R(b);N_GUARD::QAR(D),XB(c)
- B(a);N_GUARD::QAB(D)
- B(a);N_GUARD::QAR2(D)
- B(a);N_GUARD::QAB(D),XB(a)
- B(a);N_GUARD::QAR2(D),XB(a)
- B(a);N_GUARD,P_PINP(E)::QAB(D)
- B(c);OGATE::QAB(D)
- P(f);N_GUARD::QAR1(D),XP(e)
- Refutation
- R(b);XB(B)
- Try
- B(F);
- Vars
- B(a);N_GUARD::QAR2(D),XB(a)
- R(b);N_GUARD::QAR(D),XB(c)
- B(a);N_GUARD::QAB(D)
- B(a);N_GUARD::QAR2(D)
- B(a);N_GUARD::QAB(D),XB(a)
- B(a);N_GUARD,P_PINP(E)::QAB(D)
- B(c);OGATE::QAB(D)
- P(f);N_GUARD::S(H)
- Refutation
- B(c);
- Try
- B(F);
- Vars
- B(a);N_GUARD::QAR2(D),XB(a)
- R(b);N_GUARD::QAR(D),XB(c)
- B(a);N_GUARD::QAB(D)
- B(a);N_GUARD::QAR2(D)
- B(a);N_GUARD::QAB(D),XB(a)
- B(a);N_GUARD,P_PINP(E)::QAB(D)
- B(c);OGATE::QAB(D)
- P(f);N_GUARD::S(H)
- Refutation
- B(c);
- Try
- Q(D);
- Threat
- DUALS(4)
- Vars
- P(e);N_GUARD,XB(F)::QAR1(D)
- B(a);::QAR1(D)
- Refutation
- B(c);XQ(D)
- Try
- Q(D);
- Threat
- DUALS(4)
- Refutation
- B(c);XQ(D)
- Try
- Actual
- B(B);
- Vars
- B(c);OGATE,XP(G)::QAB(D)
- P(e);N_GUARD,XB(F)::QAR1(D)
- B(a);N_GUARD::QAR2(D),XB(a)
- R(b);N_GUARD::QAR(D),XB(c)
- B(a);N_GUARD::QAB(D)
- B(a);N_GUARD::QAR2(D)
- B(a);N_GUARD::QAB(D),XB(a)
- B(a);N_GUARD,P_PINP(E)::QAB(D)
- B(c);OGATE::QAB(D)
- P(f);N_GUARD::QAR1(D),XP(e)
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).