MESON Chess Problem Database
Problem Display
PID: 49146 (b7/1r1p3Q/6R1/p5P1/2RB1k2/8/Kp2P2P/1Bb1q1rn w - - 0 1)
Schuld, Henk L
5th Prize, Accademia Scacchistica di Viareggio, 1907
#2
9 + 10
| 3832 | De Schaakcourant | 1907 |
| 204 | Op de Hoogte | 1907 |
SOLUTION
- SOUND
- Sets
- 1...Kg4
- 2.Be3#
- 1...Rg4
- 2.Qf7#
- 1...Sg3
- 2.Qh4#
- 1...Kg4
- Tries
- 1.Ra6?
- threat
- 2.Qf5#
- 1...Kg4
- 2.Be3#
- 1...Kxg5
- 2.Bf6#
- 1...Rxg5
- 2.Qe4#
- 1...Sg3
- 2.Qh4#
- 1...Rb5!
- threat
- 1.Rgc6?
- threat
- 2.Qf5#
- 1...Kg4
- 2.Be3#
- 1...Kxg5
- 2.Bf6#
- 1...Rxg5
- 2.Qe4#
- 1...Sg3
- 2.Qh4#
- 1...Rb5!
- threat
- 1.Rd6?
- threat
- 2.Qf5#
- 1...Kg4
- 2.Be3#
- 1...Kxg5
- 2.Bf6#
- 1...Rxg5
- 2.Qe4#
- 1...Sg3
- 2.Qh4#
- 1...Rb5!
- threat
- 1.Re6?
- threat
- 2.Be3#
- 2.Bf6#
- 2.Qf5#
- 1...Kg4
- 2.Be3#
- 1...Kxg5
- 2.Bf6#
- 1...Qxe2
- 2.Qf5#
- 1...Rxg5
- 2.Bg1#
- 2.Bxb2#
- 2.Bf2#
- 2.Bc3#
- 2.Be3#
- 2.Bc5#
- 2.Bb6#
- 2.Bf6#
- 2.Ba7#
- 2.Bg7#
- 2.Bh8#
- 2.Re4#
- 2.Qe4#
- 1...Rb5
- 2.Be3#
- 1...Qd2
- 2.Be3#
- 2.Qf5#
- 1...Qf2
- 2.Be3#
- 2.Qf5#
- 1...Qc3
- 2.Be3#
- 2.Qf5#
- 1...Qb4
- 2.Be3#
- 2.Qf5#
- 1...Qd1
- 2.Be3#
- 2.Qf5#
- 1...Rb3
- 2.Be3#
- 2.Qf5#
- 1...Rb4
- 2.Be3#
- 2.Qf5#
- 1...Rb6
- 2.Be3#
- 2.Qf5#
- 1...Ra7
- 2.Be3#
- 2.Qf5#
- 1...Rc7
- 2.Be3#
- 2.Qf5#
- 1...Rb8
- 2.Be3#
- 2.Qf5#
- 1...Be3
- 2.Bxe3#
- 2.Qf5#
- 1...Sf2
- 2.Be3#
- 2.Qf5#
- 1...Sg3
- 2.Be3#
- 2.Qh4#
- 1...d5
- 2.Be3#
- 2.Qf5#
- 1...dxe6!
- threat
- 1.Rf6+?
- 1...Kg4
- 2.Be3#
- 1...Kxg5!
- 1...Kg4
- 1.Rg7?
- threat
- 2.Qe4#
- 2.Qf5#
- 1...Kg4
- 2.Be3#
- 1...Qxe2
- 2.Qf5#
- 1...Rxg5
- 2.Qe4#
- 1...Rb3
- 2.Qf5#
- 1...Rb4
- 2.Qf5#
- 1...Rb6
- 2.Qf5#
- 1...Ra7
- 2.Qf5#
- 1...Rc7
- 2.Qf5#
- 1...Rb8
- 2.Qf5#
- 1...Sf2
- 2.Qf5#
- 1...Sg3
- 2.Qh4#
- 1...d5
- 2.Qf5#
- 1...Rb5!
- threat
- 1.Rg8?
- threat
- 2.Qe4#
- 2.Qf5#
- 1...Kg4
- 2.Be3#
- 1...Qxe2
- 2.Qf5#
- 1...Rxg5
- 2.Qe4#
- 1...Rb3
- 2.Qf5#
- 1...Rb4
- 2.Qf5#
- 1...Rb6
- 2.Qf5#
- 1...Ra7
- 2.Qf5#
- 1...Rc7
- 2.Qf5#
- 1...Rb8
- 2.Qf5#
- 1...Sf2
- 2.Qf5#
- 1...Sg3
- 2.Qh4#
- 1...d5
- 2.Qf5#
- 1...Rb5!
- threat
- 1.Qh3?
- threat
- 2.Bxb2#
- 2.Bc3#
- 2.Bf6#
- 2.Bg7#
- 2.Bh8#
- 2.Qf5#
- 2.Qf3#
- 1...Qxe2
- 2.Qf5#
- 1...Rxg5
- 2.Bxb2#
- 2.Bc3#
- 2.Bf6#
- 2.Bg7#
- 2.Bh8#
- 2.Qf3#
- 1...Qd2
- 2.Qf5#
- 2.Qf3#
- 1...Qf2
- 2.Qf5#
- 1...Qc3
- 2.Bxc3#
- 2.Qf5#
- 1...Qg3
- 2.Qf5#
- 1...Qb4
- 2.Qf5#
- 2.Qf3#
- 1...Qd1
- 2.Qf5#
- 2.Qf3#
- 1...Qf1
- 2.Bxb2#
- 2.Bc3#
- 2.Bf6#
- 2.Bg7#
- 2.Bh8#
- 2.Qf5#
- 1...Rf1
- 2.Bxb2#
- 2.Bc3#
- 2.Bf6#
- 2.Bg7#
- 2.Bh8#
- 2.Qf5#
- 1...Rg3
- 2.Qf5#
- 1...Rg4
- 2.Bxb2#
- 2.Bc3#
- 2.Bf6#
- 2.Bg7#
- 2.Bh8#
- 2.Qf3#
- 1...Rb3
- 2.Qf5#
- 1...Rb4
- 2.Qf5#
- 1...Rb6
- 2.Qf5#
- 1...Ra7
- 2.Qf5#
- 1...Rc7
- 2.Qf5#
- 1...Rb8
- 2.Qf5#
- 1...Be3
- 2.Qf5#
- 2.Qf3#
- 1...Sf2
- 2.Qf5#
- 2.Qf3#
- 1...Sg3
- 2.Qh4#
- 1...d5
- 2.Qf5#
- 2.Qf3#
- 1...Rb5!
- threat
- 1.Qh4+?
- 1...Rg4
- 2.Rf6#
- 1...Qxh4!
- 1...Rg4
- 1.Ra6?
- Keys
- 1.Rb6!
- threat
- 2.Qf5#
- 1...Kg4
- 2.Be3#
- 1...Kxg5
- 2.Bf6#
- 1...Rxg5
- 2.Qe4#
- 1...Sg3
- 2.Qh4#
- threat
- 1.Rb6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- K(f);P-FLIGHT::R(E)+B(F)
- R(c);SBLOCK::QAR(I)
- S(d);S_CUTQ(b),S_CUTR(c)::QAR2(I)
- Tries
- Try
- R(H);
- Threat
- QAR1(I)
- Vars
- K(f);P-FLIGHT::R(E)+B(F)
- K(f);S_FLIGHT,XP(G)::B(F)
- R(c);SBLOCK,XP(G)::QAR1(I)
- S(d);S_CUTQ(b),S_CUTR(c)::QAR2(I)
- Refutation
- R(h);
- Try
- R(H);
- Threat
- QAR1(I)
- Vars
- K(f);P-FLIGHT::R(E)+B(F)
- K(f);S_FLIGHT,XP(G)::B(F)
- R(c);SBLOCK,XP(G)::QAR1(I)
- S(d);S_CUTQ(b),S_CUTR(c)::QAR2(I)
- Refutation
- R(h);
- Try
- R(H);
- Threat
- QAR1(I)
- Vars
- K(f);P-FLIGHT::R(E)+B(F)
- K(f);S_FLIGHT,XP(G)::B(F)
- R(c);SBLOCK,XP(G)::QAR1(I)
- S(d);S_CUTQ(b),S_CUTR(c)::QAR2(I)
- Refutation
- R(h);
- Try
- R(H);
- Threat
- DUALS(3)
- Vars
- K(f);P-FLIGHT::R(E)+B(F)
- K(f);S_FLIGHT,XP(G)::B(F)
- Q(b);XP(C)::QAR1(I)
- R(h);::R(E)+B(F),DCHECK
- Refutation
- P(i);XR(H)
- Try
- R(H);CHECK
- Vars
- K(f);P-FLIGHT::R(E)+B(F)
- Refutation
- K(f);S_FLIGHT,XP(G)
- Try
- R(H);
- Threat
- DUALS(2)
- Vars
- K(f);P-FLIGHT::R(E)+B(F)
- Q(b);XP(C)::QAR1(I)
- R(c);XP(G)::QAR1(I)
- R(h);::QAR1(I)
- S(d);::QAR1(I)
- S(d);S_CUTQ(b),S_CUTR(c)::QAR2(I)
- P(i);::QAR1(I)
- Refutation
- R(h);
- Try
- R(H);
- Threat
- DUALS(2)
- Vars
- K(f);P-FLIGHT::R(E)+B(F)
- Q(b);XP(C)::QAR1(I)
- R(c);XP(G)::QAR1(I)
- R(h);::QAR1(I)
- S(d);::QAR1(I)
- S(d);S_CUTQ(b),S_CUTR(c)::QAR2(I)
- P(i);::QAR1(I)
- Refutation
- R(h);
- Try
- Q(I);
- Threat
- DUALS(7)
- Vars
- Q(b);XP(C)::QAR1(I)
- Q(b);::QAR1(I)
- R(c);::QAR1(I)
- R(h);::QAR1(I)
- S(d);S_CUTQ(b),S_CUTR(c)::QAR2(I)
- Refutation
- R(h);
- Try
- Q(I);CHECK
- Vars
- R(c);P_SPINR(c)::R(H)
- Refutation
- Q(b);XQ(I)
- Try
- Actual
- R(H);
- Threat
- QAR1(I)
- Vars
- K(f);P-FLIGHT::R(E)+B(F)
- K(f);S_FLIGHT,XP(G)::B(F)
- R(c);SBLOCK,XP(G)::QAR1(I)
- S(d);S_CUTQ(b),S_CUTR(c)::QAR2(I)
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).