MESON Chess Problem Database
Problem Display
PID: 119801 (4K3/4p3/2Q3p1/3PR3/4q2p/2B1n2N/3P4/4kB1R w - - 0 1)
von Wardener, Friedrich Freiherr
Sachove listy, 1902
#2
9 + 6
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qb1
- 2.Bd3#
- 2.Bc4#
- 2.Bb5#
- 2.Ba6#
- 1...Qc2
- 2.Bd3#
- 2.Bc4#
- 2.Bb5#
- 2.Ba6#
- 1...Qd3
- 2.Bxd3#
- 1...Qa4
- 2.Bd3#
- 2.Bc4#
- 2.Bb5#
- 2.Ba6#
- 1...Qb4
- 2.Bd3#
- 2.Bc4#
- 2.Bb5#
- 2.Ba6#
- 1...Qc4
- 2.Bd3#
- 2.Bxc4#
- 1...Qd4
- 2.Bd3#
- 2.Bc4#
- 2.Bb5#
- 2.Ba6#
- 1...Sd1
- 2.Bd3#
- 2.Bc4#
- 2.Bb5#
- 2.Ba6#
- 1...Sc2
- 2.Bd3#
- 2.Bc4#
- 2.Bb5#
- 2.Ba6#
- 1...Sg2
- 2.Bd3#
- 2.Bc4#
- 2.Bb5#
- 2.Ba6#
- 1...Sc4
- 2.Bd3#
- 2.Bxc4#
- 1...Sg4
- 2.Bd3#
- 2.Bc4#
- 2.Bb5#
- 2.Ba6#
- 1...Sxd5
- 2.Bd3#
- 2.Bc4#
- 2.Bb5#
- 2.Ba6#
- 1...Sf5
- 2.Bd3#
- 2.Bc4#
- 2.Bb5#
- 2.Ba6#
- 1...Qb1
- Tries
- 1.Bd3+?
- 1...Sf1
- 2.Rxf1#
- 1...Qxh1!
- 1...Sf1
- 1.Bc4+?
- 1...Sf1
- 2.Rxf1#
- 1...Qxh1!
- 1...Sf1
- 1.Bb5+?
- 1...Sf1
- 2.Rxf1#
- 1...Qxh1!
- 1...Sf1
- 1.Ba6+?
- 1...Sf1
- 2.Rxf1#
- 1...Qxh1!
- 1...Sf1
- 1.Bd3+?
- Keys
- 1.Qa4!
- threat
- 2.dxe3#
- 2.d3#
- 2.d4#
- 1...Qxa4+
- 2.Bb5#
- 1...Qxh1
- 2.Qa1#
- 1...Qxd5
- 2.Rxe3#
- 2.Qa1#
- 2.d3#
- 2.d4#
- 1...Qxe5
- 2.d4#
- 1...Sxf1
- 2.Rxe4#
- 1...Sxd5
- 2.Bd3#
- 2.Bc4#
- 2.Bb5#
- 2.Ba6#
- 2.Qa1#
- 1...Qc2
- 2.Bd3#
- 2.Bc4#
- 2.Bb5#
- 2.Ba6#
- 1...Sc2
- 2.Bd3#
- 2.Bc4#
- 2.Bb5#
- 2.Ba6#
- 1...Qg2
- 2.Qa1#
- 1...Qd3
- 2.Bxd3#
- 1...Qb4
- 2.Bd3#
- 2.Bc4#
- 2.Bb5#
- 2.Ba6#
- 2.Rxe3#
- 1...Qc4
- 2.Bd3#
- 2.Bxc4#
- 2.Qa1#
- 1...Qd4
- 2.Bd3#
- 2.Bc4#
- 2.Bb5#
- 2.Ba6#
- 2.Qa1#
- 1...Sd1
- 2.Bd3#
- 2.Bc4#
- 2.Bb5#
- 2.Ba6#
- 1...Sg2
- 2.Bd3#
- 2.Bc4#
- 2.Bb5#
- 2.Ba6#
- 2.Qa1#
- 2.d3#
- 2.d4#
- 1...Sc4
- 2.Bd3#
- 2.Bxc4#
- 2.Qa1#
- 1...Sg4
- 2.Bd3#
- 2.Bc4#
- 2.Bb5#
- 2.Ba6#
- 2.Qa1#
- 2.d3#
- 2.d4#
- 1...Sf5
- 2.Bd3#
- 2.Bc4#
- 2.Bb5#
- 2.Ba6#
- 2.Qa1#
- 2.d3#
- 2.d4#
- threat
- 1.Qa4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- Q(c);N_GUARD,P_SPINS(b)::R(B)+B(A),XQ(c)
- Tries
- Try
- B(A);CHECK
- Vars
- S(b);N_GUARD,P_SPINQ(c),P_SPINS(b)::R1(B),XS(b)
- Refutation
- Q(c);P_SPINS(b),XR(B)
- Try
- B(A);CHECK
- Vars
- S(b);N_GUARD,P_SPINQ(c),P_SPINS(b)::R1(B),XS(b)
- Refutation
- Q(c);P_SPINS(b),XR(B)
- Try
- B(A);CHECK
- Vars
- S(b);N_GUARD,P_SPINQ(c),P_SPINS(b)::R1(B),XS(b)
- Refutation
- Q(c);P_SPINS(b),XR(B)
- Try
- B(A);CHECK
- Vars
- S(b);N_GUARD,P_SPINQ(c),P_SPINS(b)::R1(B),XS(b)
- Refutation
- Q(c);P_SPINS(b),XR(B)
- Try
- Actual
- Q(H);
- Threat
- DUALS(3)
- Vars
- Q(c);CHECK,N_GUARD,P_SPINS(b),XQ(H)::R(B)+B(A)
- Q(c);N_GUARD,P_SPINS(b),XR(B)::QAR(H)
- Q(c);XR(G)::B(D)+P(C)
- S(b);OGATEB,P_SPINQ(c),P_SPINS(b),XB(A)::R(G),XQ(c)
- Q(c);N_GUARD,P_SPINS(b)::QAR(H)
- Q(c);N_GUARD,P_SPINS(b)::R(B)+B(A),XQ(c)
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).