MESON Chess Problem Database
Problem Display
PID: 274027 (8/3N4/3pp2K/5kPN/rQp4R/7n/1b1P1p2/1q1B3n w - - 0 1)
Paslack, Rainer
Die Schwalbe, 2023
#2
8 + 10
SOLUTION
- SOUND
- Sets
- 1...Qa2
- 2.Bc2#
- 1...Qc2
- 2.Bxc2#
- 1...Qa1
- 2.Bc2#
- 1...Ba1
- 2.Qxb1#
- 1...Bc1
- 2.Sg7#
- 2.Qxb1#
- 1...Ba3
- 2.Sg7#
- 2.Qxb1#
- 1...Bc3
- 2.Qxb1#
- 1...Bd4
- 2.Qxb1#
- 1...Be5
- 2.Qxb1#
- 1...Bf6
- 2.Qxb1#
- 1...Bg7+
- 2.Sxg7#
- 1...Bh8
- 2.Qxb1#
- 1...Sg3
- 2.Sxg3#
- 1...Sg1
- 2.Rf4#
- 1...Sf4
- 2.Rxf4#
- 1...Sxg5
- 2.Rf4#
- 1...c3
- 2.Sg7#
- 2.Bg4#
- 1...e5
- 2.Sg7#
- 1...Qa2
- Tries
- 1.Rd4?
- threat
- 2.Sg7#
- 2.Bg4#
- 1...Qxd1
- 2.Sg7#
- 1...Bxd4
- 2.Qxb1#
- 1...Sf4
- 2.Sg7#
- 2.Rxf4#
- 1...Qe4!
- threat
- 1.Qc3?
- threat
- 2.Sg7#
- 2.Qxh3#
- 1...Qxd1
- 2.Sg7#
- 1...Sxg5
- 2.Sg7#
- 2.Rf4#
- 1...Sf4
- 2.Rxf4#
- 1...f1Q
- 2.Sg7#
- 1...f1B
- 2.Sg7#
- 1...Qd3
- 2.Sg7#
- 1...Qe4
- 2.Sg7#
- 1...Ra3
- 2.Sg7#
- 1...Sg3
- 2.Sxg3#
- 2.Sg7#
- 1...Sg1
- 2.Sg7#
- 2.Rf4#
- 1...Bxc3!
- threat
- 1.Qxb2?
- threat
- 2.Sg7#
- 2.Qf6#
- 2.Qxb1#
- 1...Qxd1
- 2.Sg7#
- 2.Qf6#
- 1...Sxg5
- 2.Sg7#
- 2.Rf4#
- 2.Qf6#
- 1...Sf4
- 2.Rxf4#
- 1...e5
- 2.Sg7#
- 1...f1Q
- 2.Sg7#
- 2.Qf6#
- 1...f1B
- 2.Sg7#
- 2.Qf6#
- 1...Qa2
- 2.Sg7#
- 2.Bc2#
- 2.Qf6#
- 1...Qc2
- 2.Sg7#
- 2.Bxc2#
- 2.Qf6#
- 2.Qxc2#
- 1...Qd3
- 2.Sg7#
- 2.Qf6#
- 1...Qe4
- 2.Sg7#
- 2.Qf6#
- 1...Qa1
- 2.Sg7#
- 2.Bc2#
- 2.Qc2#
- 1...Qc1
- 2.Sg7#
- 2.Qf6#
- 1...Ra1
- 2.Sg7#
- 2.Qf6#
- 1...Ra2
- 2.Sg7#
- 2.Qf6#
- 1...Ra3
- 2.Sg7#
- 2.Qf6#
- 1...Rb4
- 2.Sg7#
- 2.Qf6#
- 1...Sg3
- 2.Sxg3#
- 2.Sg7#
- 2.Qf6#
- 1...c3
- 2.Sg7#
- 1...Qxb2!
- threat
- 1.Qb5+?
- 1...Be5
- 2.Sg7#
- 2.Qxb1#
- 1...e5
- 2.Sg7#
- 1...d5!
- 1...Be5
- 1.Qb7?
- threat
- 2.Bg4#
- 1...Bg7+
- 2.Sxg7#
- 1...Qxd1
- 2.Qe4#
- 1...Qe4
- 2.Qxe4#
- 1...c3
- 2.Sg7#
- 1...d5!
- threat
- 1.Rd4?
- Keys
- 1.d4!
- threat
- 2.Sg7#
- 1...Bxd4
- 2.Qxb1#
- 1...cxd4 ep
- 2.Bg4#
- 1...Sf4
- 2.Rxf4#
- threat
- 1.d4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 13
- Sets
- Q(a);N_GUARD::B(A)
- Q(a);N_GUARD::B(A),XQ(a)
- B(c);OGATE::QAB(C),XQ(a)
- B(c);CHECK,N_GUARD::S(F),XB(c)
- S(b);N_GUARD::S(F),XS(b)
- S(e);N_GUARD::R1(D)
- S(e);N_GUARD::R1(D),XS(e)
- S(e);N_GUARD,XP(E)::R1(D)
- P(j);S_CUTB(c)::S(F)
- Tries
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- Q(a);XB(A)::S(F)
- B(c);OGATE,XR(D)::QAB(C),XQ(a)
- Refutation
- Q(a);
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- Q(a);XB(A)::S(F)
- S(e);N_GUARD::R1(D),XS(e)
- P(d);::S(F)
- Q(a);::S(F)
- R(f);::S(F)
- Refutation
- B(c);XQ(C)
- Try
- Q(C);XB(c)
- Threat
- DUALS(3)
- Vars
- S(e);N_GUARD::R1(D),XS(e)
- P(j);::S(F)
- P(g);::S(F)
- Refutation
- Q(a);XQ(C)
- Try
- Q(C);CHECK
- Vars
- P(j);P_SPINP(j)::S(F)
- Refutation
- P(i);P_SPINP(i)
- Try
- Q(C);
- Threat
- B(A)
- Vars
- B(c);CHECK,N_GUARD::S(F),XB(c)
- Q(a);N_GUARD,XB(A)::QAB1(C)
- Q(a);N_GUARD::QAB1(C),XQ(a)
- P(g);S_CUTB(c)::S(F)
- Refutation
- P(i);
- Try
- Actual
- P(B);
- Threat
- S(F)
- Vars
- B(c);OGATE,XP(B)::QAB(C),XQ(a)
- P(g);EP,XP(B)::B(A)
- S(e);N_GUARD::R1(D),XS(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).