MESON Chess Problem Database
Problem Display
PID: 166131 (5n1n/2PP4/2K2b1R/1pN1kb1R/3p1r2/5P2/p1N1Pr1B/6Q1 w - - 0 1)
Paslack, Rainer
Die Schwalbe, 2017
#2
11 + 10
SOLUTION
- SOUND
- Sets
- 1...Rf1
- 2.Qxd4#
- 1...Rxe2
- 2.Qxd4#
- 1...Rg2
- 2.Qxd4#
- 1...Rxf3
- 2.Qxd4#
- 1...Bh4
- 2.Sd3#
- 1...Be7
- 2.Sd3#
- 1...Bg7
- 2.Sd3#
- 2.Qxg7#
- 1...Bd8
- 2.Sd3#
- 1...Se6
- 2.Sd3#
- 1...d3
- 2.Qa1#
- 1...Rf1
- Tries
- 1.Qa1?
- threat
- 2.Qxd4#
- 1...Se6
- 2.Sd3#
- 1...Rxh2!
- threat
- 1.Qg5?
- threat
- 2.Bxf4#
- 2.Qxf4#
- 2.Qxf6#
- 2.Qxf5#
- 1...Rxh2
- 2.Qxf6#
- 1...Rxf3
- 2.Qxf6#
- 2.Qxf5#
- 1...Sxd7
- 2.Bxf4#
- 2.Qxf4#
- 2.Qxf5#
- 1...Be7
- 2.Sd3#
- 2.Bxf4#
- 2.Qxf4#
- 2.Qxf5#
- 1...Bg7
- 2.Sd3#
- 2.Bxf4#
- 2.Qxf4#
- 2.Qxf5#
- 2.Qxg7#
- 1...Bd8
- 2.Sd3#
- 2.Bxf4#
- 2.Qxf4#
- 2.Qxf5#
- 1...Se6
- 2.Sd3#
- 2.Qxf6#
- 2.Qxf5#
- 1...Sfg6
- 2.Qxf5#
- 1...Sh7
- 2.Bxf4#
- 2.Qxf4#
- 2.Qxf5#
- 1...Shg6
- 2.Qxf5#
- 1...Bxg5!
- threat
- 1.Qg8?
- threat
- 2.Sd3#
- 2.Qd5#
- 1...Rxf3
- 2.Qd5#
- 1...Bg5
- 2.Qd5#
- 1...Se6
- 2.Sd3#
- 2.Qxe6#
- 1...d3
- 2.Sxd3#
- 2.Qd5#
- 1...Sf7!
- threat
- 1.e3?
- threat
- 2.Bxf4#
- 2.exd4#
- 2.exf4#
- 1...Rxf3
- 2.exd4#
- 1...dxe3
- 2.Qa1#
- 1...a1Q
- 2.Bxf4#
- 2.exf4#
- 1...a1B
- 2.Bxf4#
- 2.exf4#
- 1...Bg5
- 2.exd4#
- 1...Rd2
- 2.Bxf4#
- 2.exf4#
- 1...Se6
- 2.Sd3#
- 1...Sfg6
- 2.exd4#
- 1...Shg6
- 2.exd4#
- 1...d3
- 2.Bxf4#
- 2.Qa1#
- 2.exf4#
- 1...Rxh2!
- threat
- 1.c8Q?
- threat
- 2.Qc7#
- 2.Qb8#
- 1...Sxd7
- 2.Qc7#
- 1...Be7
- 2.Sd3#
- 1...Bd8
- 2.Sd3#
- 1...Se6
- 2.Sd3#
- 1...Sf7!
- threat
- 1.d8Q?
- threat
- 2.Qxf6#
- 2.Qxd4#
- 2.Qd5#
- 2.Qd6#
- 1...Rxh2
- 2.Qxf6#
- 2.Qd5#
- 2.Qd6#
- 1...Bxd8
- 2.Sd3#
- 1...a1Q
- 2.Qxf6#
- 2.Qd5#
- 2.Qd6#
- 1...a1B
- 2.Qxf6#
- 2.Qd5#
- 2.Qd6#
- 1...Bg5
- 2.Qxd4#
- 2.Qd5#
- 2.Qd6#
- 1...Bh4
- 2.Sd3#
- 2.Qxd4#
- 2.Qd5#
- 2.Qd6#
- 1...Be7
- 2.Sd3#
- 2.Qxd4#
- 2.Qd5#
- 1...Bg7
- 2.Sd3#
- 2.Qxg7#
- 2.Qxd4#
- 2.Qd5#
- 2.Qd6#
- 1...Se6
- 2.Sd3#
- 2.Sd7#
- 2.Qxf6#
- 2.Qd5#
- 2.Qd6#
- 1...Sfg6
- 2.Qxd4#
- 2.Qd5#
- 2.Qd6#
- 1...Sh7
- 2.Qxd4#
- 2.Qd5#
- 2.Qd6#
- 1...Shg6
- 2.Qxd4#
- 2.Qd5#
- 2.Qd6#
- 1...Sf7
- 2.Qxf6#
- 2.Qxd4#
- 2.Qd5#
- 1...d3
- 2.Qxf6#
- 2.Qa1#
- 2.Qd4#
- 2.Qd5#
- 2.Qd6#
- 1...Sd7!
- threat
- 1.d8S?
- threat
- 2.Sd3#
- 1...Rxf3
- 2.Qxd4#
- 1...d3
- 2.Sxd3#
- 2.Qa1#
- 1...Bg5!
- threat
- 1.d8R?
- threat
- 2.Rd5#
- 1...Bxd8
- 2.Sd3#
- 1...Sd7!
- threat
- 1.Qa1?
- Keys
- 1.e4!
- threat
- 2.Rxf5#
- 1...Rxh2
- 2.Qxd4#
- 1...dxe4 ep
- 2.Qa1#
- 1...Bg5
- 2.Sd3#
- threat
- 1.e4!
This is a version of 165705
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 9
- Sets
- R(b);OGATE::QAB1(A),XP(c)
- R(b);OGATE,XP(C)::QAB1(A),XP(c)
- R(b);OGATE,XP(E)::QAB1(A),XP(c)
- B(h);::S(F)
- S(i);SBLOCK::S(F)
- P(c);OGATEB::QAB(A)
- Tries
- Try
- Q(A);P_PINP(c)
- Threat
- QAB1(A),XP(c)
- Vars
- S(i);SBLOCK::S(F)
- Refutation
- R(b);N_SPINR(d),XB(D)
- Try
- Q(A);
- Threat
- DUALS(4)
- Vars
- R(b);N_SPINR(d),XB(D)::QAB1(A),XB(h)
- S(i);::QAR1(A),XB(g)
- S(j);::QAR1(A),XB(g)
- Refutation
- B(h);N_SPINB(g),XQ(A)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- R(b);XP(E)::QAR1(A)
- B(h);N_SPINB(g)::QAR1(A)
- Refutation
- S(j);
- Try
- P(C);
- Threat
- DUALS(3)
- Vars
- R(b);XP(E)::P(C),XP(c)
- P(c);OGATEB,XP(C)::QAB(A)
- B(h);N_SPINB(g)::P(C),XP(c)
- S(i);SBLOCK::S(F)
- S(i);::P(C),XP(c)
- S(j);::P(C),XP(c)
- Refutation
- R(b);N_SPINR(d),XB(D)
- Try
- P(J);
- Threat
- DUALS(2)
- Vars
- S(i);XP(K)::QAB(J)
- B(h);::S(F)
- S(i);SBLOCK::S(F)
- Refutation
- S(j);
- Try
- P(K);
- Threat
- DUALS(4)
- Vars
- B(h);XQ(K)::S(F)
- Refutation
- S(i);
- Try
- P(K);
- Threat
- S(F)
- Vars
- R(b);OGATE,XP(E)::QAB1(A),XP(c)
- Refutation
- B(h);N_SPINB(g)
- Try
- P(K);
- Threat
- R1(K)
- Vars
- B(h);XR(K)::S(F)
- Refutation
- S(i);
- Try
- Actual
- P(C);
- Threat
- R1(G),XB(g)
- Vars
- R(b);N_SPINR(d),OGATE,XB(D)::QAB1(A),XP(c)
- P(c);EP,OGATEB,XP(C)::QAB(A)
- B(h);N_SPINB(g)::S(F)
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).