MESON Chess Problem Database
Problem Display
PID: 178718 (8/3K4/2p2pN1/R1Pkpn2/1p6/1pnP1N2/1P6/2Q5 w - - 0 1)
Maleika, Gerhard
4th Comm., Problem Observer Block-Threat Ty., 2009-2010
#2
8 + 8
SOLUTION
- SOUND
- Sets
- 1...Sb1
- 2.Qc4#
- 1...Sd1
- 2.Qc4#
- 1...Sa2
- 2.Qc4#
- 1...Se2
- 2.Qc4#
- 1...Sa4
- 2.Qc4#
- 1...Se4
- 2.Qc4#
- 1...Sb5
- 2.Qc4#
- 1...Se3
- 2.Se7#
- 1...Sg3
- 2.Se7#
- 1...Sd4
- 2.Se7#
- 1...Sh4
- 2.Se7#
- 1...Sd6
- 2.Se7#
- 1...Sh6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...Sg7
- 2.Se7#
- 1...e4
- 2.Sf4#
- 1...Sb1
- Tries
- 1.Rb5?
- 1...Sxb5
- 2.Qc4#
- 1...Se3
- 2.Se7#
- 1...Sb1
- 2.Qc4#
- 1...Sd1
- 2.Qc4#
- 1...Sa2
- 2.Qc4#
- 1...Se2
- 2.Qc4#
- 1...Sa4
- 2.Qc4#
- 1...Se4
- 2.Qc4#
- 1...Sg3
- 2.Se7#
- 1...Sd4
- 2.Se7#
- 1...Sh4
- 2.Se7#
- 1...Sd6
- 2.Se7#
- 1...Sh6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...Sg7
- 2.Se7#
- 1...e4
- 2.Sf4#
- 1...cxb5!
- 1...Sxb5
- 1.Qe3?
- 1...Sxe3
- 2.Se7#
- 1...Sb1
- 2.Qe4#
- 1...Sd1
- 2.Qe4#
- 1...Sa2
- 2.Qe4#
- 1...Se2
- 2.Qe4#
- 1...Sa4
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sg3
- 2.Se7#
- 1...Sd4
- 2.Se7#
- 1...Sh4
- 2.Se7#
- 1...Sd6
- 2.Se7#
- 1...Sh6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...Sg7
- 2.Se7#
- 1...e4
- 2.Sf4#
- 1...Sb5!
- 1...Sxe3
- 1.Qc2?
- threat
- 2.Qxb3#
- 1...Se3
- 2.Se7#
- 1...Sb5
- 2.Qc4#
- 1...Sd4
- 2.Se7#
- 1...Sd6
- 2.Se7#
- 1...bxc2!
- threat
- 1.Qxc3?
- threat
- 2.Qxb3#
- 2.Qc4#
- 1...Se3
- 2.Se7#
- 1...Sd4
- 2.Se7#
- 2.Qc4#
- 1...Sd6
- 2.Se7#
- 1...bxc3!
- threat
- 1.bxc3?
- threat
- 2.c4#
- 1...Se3
- 2.Se7#
- 1...Sd6
- 2.Se7#
- 1...bxc3!
- threat
- 1.Rb5?
- Keys
- 1.Qf4!
- threat
- 2.Qc4#
- 1...exf4
- 2.Sxf4#
- 1...Se3
- 2.Se7#
- 1...Se4
- 2.Qxe4#
- 1...Sd4
- 2.Se7#
- 1...Sd6
- 2.Se7#
- 1...e4
- 2.Qxf5#
- threat
- 1.Qf4!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 11
- Sets
- S(b);OGATE::QAB1(A)
- S(f);N_GUARD::S(G)
- S(f);N_GUARD::S(G),XS(f)
- P(e);N_GUARD::S(G)
- Tries
- Try
- R(E);
- Vars
- S(b);OGATE,XR(E)::QAB1(A)
- S(f);N_GUARD::S(G)
- S(b);OGATE::QAB1(A)
- S(f);N_GUARD::S(G),XS(f)
- P(e);N_GUARD::S(G)
- Refutation
- P(g);XR(E)
- Try
- Q(A);
- Vars
- S(f);N_GUARD,XQ(A)::S(G)
- S(b);N_GUARD::QAB1(A)
- S(b);N_GUARD::QAB1(A),XS(b)
- S(f);N_GUARD::S(G)
- S(f);N_GUARD::S(G),XS(f)
- P(e);N_GUARD::S(G)
- Refutation
- S(b);
- Try
- Q(A);
- Threat
- QAB(A),XP(a)
- Vars
- S(f);N_GUARD::S(G)
- S(b);OGATE::QAB1(A)
- Refutation
- P(a);XQ(A)
- Try
- Q(A);XS(b)
- Threat
- DUALS(2)
- Vars
- S(f);N_GUARD::S(G)
- Refutation
- P(c);XQ(A)
- Try
- P(B);XS(b)
- Threat
- P(B)
- Vars
- S(f);N_GUARD::S(G)
- Refutation
- P(c);XP(B)
- Try
- Actual
- Q(A);
- Threat
- QAB1(A)
- Vars
- P(e);XQ(A)::S(G),XP(e)
- S(f);N_GUARD::S(G)
- S(b);N_GUARD::QAB1(A),XS(b)
- P(e);OGATEB::QAR2(A),XS(f)
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CSS/Javascript (jQuery, Bootstrap & DataTables).