MESON Chess Problem Database
Problem Display
PID: 268351 (2B1bb2/1r1p2p1/1pR1PpP1/1Q2Pk1N/3p2R1/6BK/5p2/2n5 w - - 0 1)
Paslack, Rainer
Die Schwalbe, 2022
#2
10 + 11
SOLUTION
- SOUND
- Sets
- 1...Ba3
- 2.Sxg7#
- 1...Bb4
- 2.Sxg7#
- 1...Bc5
- 2.Sxg7#
- 1...Bd6
- 2.Sxg7#
- 1...Be7
- 2.Sxg7#
- 1...Sa2
- 2.Qd3#
- 1...Se2
- 2.Qd3#
- 1...Sb3
- 2.Qd3#
- 1...Sd3
- 2.Qxd3#
- 1...f1Q+
- 2.Qxf1#
- 1...f1S
- 2.Qxf1#
- 1...f1B+
- 2.Qxf1#
- 1...f1R
- 2.Qxf1#
- 1...fxe5
- 2.Qxe5#
- 1...dxe6
- 2.Bxe6#
- 1...d5
- 2.exd5 ep#
- 1...d6
- 2.exd6#
- 1...Ba3
- Tries
- 1.Rd6?
- threat
- 2.exf6#
- 1...f1Q+
- 2.Qxf1#
- 1...f1B+
- 2.Qxf1#
- 1...Bxd6
- 2.Sxg7#
- 1...fxe5
- 2.Qxe5#
- 1...dxe6
- 2.Bxe6#
- 1...Sb3
- 2.Qd3#
- 1...Sd3
- 2.Qxd3#
- 1...Rc7!
- threat
- 1.Qf1?
- threat
- 2.Qxf2#
- 1...Bd6
- 2.Sxg7#
- 1...Sd3
- 2.Qxd3#
- 1...Se2!
- threat
- 1.Qe2?
- threat
- 2.Qf3#
- 2.Qxf2#
- 2.Qe4#
- 1...f1Q+
- 2.Qxf1#
- 1...f1B+
- 2.Qxf1#
- 1...Bd6
- 2.Sxg7#
- 1...f1S
- 2.Qxf1#
- 2.Qf3#
- 2.Qf2#
- 2.Qe4#
- 1...f1R
- 2.Qxf1#
- 2.Qe4#
- 1...Sd3
- 2.Qxd3#
- 2.Qe4#
- 1...d5
- 2.Qf3#
- 2.Qxf2#
- 1...Sxe2!
- threat
- 1.Qb1+?
- 1...Sd3
- 2.Qxd3#
- 1...d3!
- 1...Sd3
- 1.exf6+?
- 1...d5
- 2.Qxd5#
- 1...Bc5!
- 1...d5
- 1.e7?
- threat
- 2.exf6#
- 1...f1Q+
- 2.Qxf1#
- 1...f1B+
- 2.Qxf1#
- 1...Bxe7
- 2.Sxg7#
- 1...fxe5
- 2.Qxe5#
- 1...Sb3
- 2.Qd3#
- 1...Sd3
- 2.Qxd3#
- 1...Bf7!
- threat
- 1.Rd6?
- Keys
- 1.Bh2!
- threat
- 2.Sg3#
- 1...f1Q+
- 2.Qxf1#
- 1...f1B+
- 2.Qxf1#
- 1...fxe5
- 2.Qxe5#
- 1...Bd6
- 2.Sxg7#
- 1...f1S
- 2.Qxf1#
- 1...Bc5
- 2.Sxg7#
- 1...Se2
- 2.Qd3#
- 1...d5
- 2.exd5 ep#
- threat
- 1.Bh2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 9
- Sets
- B(k);N_GUARD::S(F),XP(i)
- S(a);N_GUARD::QAB(D)
- S(a);N_GUARD::QAB(D),XS(a)
- P(b);CHECK,OGATEB::QAR(D),XQ(b)
- P(b);OGATEB::QAR(D),XS(b)
- P(b);CHECK,OGATEB::QAR(D),XB(b)
- P(b);OGATEB::QAR(D),XR(b)
- P(f);OGATE,P_SPINP(f),XP(E)::QAR1(D),XP(f)
- P(h);OGATE,P_SPINP(h),XP(H)::B(J),XP(h)
- P(h);OGATE::QAR(D)+P(E),XP(h),EP
- P(h);OGATE::QAR(D)+P(E),XP(h)
- Tries
- Try
- R(G);
- Threat
- QAR(D)+P(E),XP(f)
- Vars
- P(b);CHECK,OGATEB::QAR(D),XQ(b)
- P(b);CHECK,OGATEB::QAR(D),XB(b)
- B(k);N_GUARD,XR(G)::S(F),XP(i)
- P(f);OGATE,P_SPINP(f),XP(E)::QAR1(D),XP(f)
- P(h);OGATE,P_SPINP(h),XP(H)::B(J),XP(h)
- S(a);N_GUARD::QAB(D)
- S(a);N_GUARD::QAB(D),XS(a)
- Refutation
- R(g);
- Try
- Q(D);P_PINP(b)
- Threat
- QAR(D),XP(b)
- Vars
- B(k);N_GUARD::S(F),XP(i)
- S(a);N_GUARD::QAB(D),XS(a)
- Refutation
- S(a);
- Try
- Q(D);
- Threat
- DUALS(3)
- Vars
- P(b);CHECK,OGATEB::QAR(D),XQ(b)
- P(b);CHECK,OGATEB::QAR(D),XB(b)
- B(k);N_GUARD::S(F),XP(i)
- Refutation
- S(a);XQ(D)
- Try
- Q(D);CHECK
- Vars
- S(a);N_GUARD,P_SPINS(a)::QAB(D),XS(a)
- Refutation
- P(c);P_SPINP(c)
- Try
- P(E);CHECK,XP(f)
- Vars
- P(h);P_SPINP(h)::QAR2(D),XP(h)
- Refutation
- B(k);P_SPINB(k)
- Try
- P(H);P_PINP(h)
- Threat
- QAR(D)+P(E),XP(f)
- Vars
- P(b);CHECK,OGATEB::QAR(D),XQ(b)
- P(b);CHECK,OGATEB::QAR(D),XB(b)
- B(k);N_GUARD,XP(H)::S(F),XP(i)
- P(f);N_SPINP(h),OGATE,P_SPINP(f),XP(E)::QAR1(D),XP(f)
- S(a);N_GUARD::QAB(D)
- S(a);N_GUARD::QAB(D),XS(a)
- Refutation
- B(j);
- Try
- Actual
- B(A);
- Threat
- S(F)
- Vars
- P(b);CHECK,OGATEB::QAR(D),XQ(b)
- P(b);CHECK,OGATEB::QAR(D),XB(b)
- P(f);OGATE,P_SPINP(f),XP(E)::QAR1(D),XP(f)
- B(k);N_GUARD::S(F),XP(i)
- P(b);OGATEB::QAR(D),XS(b)
- S(a);N_GUARD::QAB(D)
- P(h);OGATE::QAR(D)+P(E),XP(h),EP
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).