MESON Chess Problem Database
Problem Display
PID: 176030 (3r3B/2b5/1PQ2n1q/N3r3/pPpk1P2/K2b2N1/3Pp1B1/8 w - - 0 1)
Schneider, Johann Bernhard Michael
Schach-Echo, 1938
#2
10 + 10
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Re3
- 2.Qc5#
- 1...Re4
- 2.Sf5#
- 2.Qc5#
- 1...Rc5
- 2.Qxc5#
- 1...Re6
- 2.Qc5#
- 1...Re7
- 2.Qc5#
- 1...Ree8
- 2.Qc5#
- 1...Bb1
- 2.Qxc4#
- 1...Bc2
- 2.Qxc4#
- 1...Be4
- 2.Qxc4#
- 1...Bf5
- 2.Qxc4#
- 1...Bg6
- 2.Qxc4#
- 1...Bh7
- 2.Qxc4#
- 1...Se4
- 2.Sf5#
- 1...Sg4
- 2.Qc5#
- 1...Sd5
- 2.Qc5#
- 1...Sh5
- 2.Qc5#
- 1...Sd7
- 2.Qd5#
- 1...Sh7
- 2.Qc5#
- 1...Se8
- 2.Qc5#
- 1...Sg8
- 2.Qc5#
- 1...c3
- 2.Qxc3#
- 1...Re3
- Tries
- 1.Sxe2+?
- 1...Rxe2
- 2.Qc5#
- 1...Bxe2!
- 1...Rxe2
- 1.Sf5+?
- 1...Bxf5
- 2.Qxc4#
- 1...Rxf5!
- 1...Bxf5
- 1.Sb3+?
- 1...cxb3
- 2.Qc3#
- 1...axb3!
- 1...cxb3
- 1.Qd5+?
- 1...Rexd5
- 2.Sc6#
- 1...Rdxd5
- 2.Sc6#
- 1...Sxd5!
- 1...Rexd5
- 1.Qd6+?
- 1...Rd5
- 2.Sc6#
- 1...Bxd6
- 2.Sc6#
- 1...Sd5
- 2.Sc6#
- 2.Bxe5#
- 2.Qc5#
- 1...Rxd6!
- 1...Rd5
- 1.Qe6?
- threat
- 2.Sc6#
- 1...Rxa5
- 2.Qe3#
- 1...Bb1
- 2.Qxc4#
- 1...Bc2
- 2.Qxc4#
- 1...Be4
- 2.Qxc4#
- 1...Bf5
- 2.Qxc4#
- 1...Bg6
- 2.Qxc4#
- 1...Bh7
- 2.Qxc4#
- 1...Rc5
- 2.Qe3#
- 1...Rd6
- 2.Qxe5#
- 1...Rxe6!
- threat
- 1.Sxe2+?
- Keys
- 1.Qb5!
- threat
- 2.Sc6#
- 1...Bb1
- 2.Qxc4#
- 1...Bc2
- 2.Qxc4#
- 1...Be4
- 2.Qxc4#
- 1...Bf5
- 2.Qxc4#
- 1...Bg6
- 2.Qxc4#
- 1...Bh7
- 2.Qxc4#
- 1...Rc5
- 2.Qxc5#
- 1...Re6
- 2.Qc5#
- 1...Rd6
- 2.Qxe5#
- 1...Se4
- 2.Sf5#
- 1...Sg4
- 2.Qc5#
- 1...Sd5
- 2.Qc5#
- 1...Sh5
- 2.Qc5#
- 1...Sd7
- 2.Qd5#
- 1...Sh7
- 2.Qc5#
- 1...Se8
- 2.Qc5#
- 1...Sg8
- 2.Qc5#
- threat
- 1.Qb5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 4
- Sets
- R(f);N_GUARD,P_SPINS(g)::QAB1(I)
- R(f);N_GUARD,P_SPINS(g)::QAB1(I),XR(f)
- B(b);N_GUARD::QAR1(I),XP(d)
- S(g);P_SPINR(f),S_CUTB(b)::S(D)
- S(g);P_SPINR(f)::QAB1(I)
- S(g);N_GUARD,P_SPINR(f),S_CUTR(j)::QAR1(I)
- P(d);OGATE::QAB1(I),XP(d)
- Tries
- Try
- S(D);CHECK,XP(a)
- Vars
- R(f);P_SPINS(g),XS(D)::QAB1(I)
- Refutation
- B(b);XS(D)
- Try
- S(D);CHECK
- Vars
- B(b);XS(D)::QAR1(I),XP(d)
- Refutation
- R(f);P_SPINS(g),XS(D)
- Try
- S(G);CHECK
- Vars
- P(d);OGATE,XS(G)::QAB1(I)
- Refutation
- P(c);XS(G)
- Try
- Q(I);CHECK
- Vars
- R(f);P_SPINS(g),XQ(I)::S(G)
- R(j);XQ(I)::S(G)
- Refutation
- S(g);P_SPINR(f),XQ(I)
- Try
- Q(I);CHECK
- Vars
- R(f);P_SPINR(f),P_SPINS(g)::S(G)
- B(i);P_PINP(E),XQ(I)::S(G)
- Refutation
- R(j);XQ(I)
- Try
- Q(I);
- Threat
- S(G)
- Vars
- R(f);OGATE,P_SPINS(g),XS(G)::QAB1(I)
- B(b);N_GUARD::QAR1(I),XP(d)
- R(f);OGATE,P_SPINS(g)::QAB1(I)
- R(j);S_CUTB(i)::QAB1(I),XR(f)
- Refutation
- R(f);P_SPINS(g),XQ(I)
- Try
- Actual
- Q(I);
- Threat
- S(G)
- Vars
- B(b);N_GUARD::QAR1(I),XP(d)
- R(f);N_GUARD,P_SPINS(g)::QAB1(I),XR(f)
- R(f);N_GUARD,P_SPINS(g)::QAB1(I)
- R(j);S_CUTB(i)::QAB1(I),XR(f)
- S(g);P_SPINR(f),S_CUTB(b)::S(D)
- S(g);P_SPINR(f)::QAB1(I)
- S(g);N_GUARD,P_SPINR(f),S_CUTR(j)::QAR1(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).