MESON Chess Problem Database
Problem Display
PID: 73009 (B4N1K/2pP3p/q1r2R2/3PknP1/1BRb4/r1n1pPP1/1N1QpP2/5b2 w - - 0 1)
Rotinjan, AL
Tijdschrift vd KNSB, 1936
#2
14 + 12
SOLUTION
- SOUND
- Sets
- 1...Kxd5
- 2.Rc5#
- 1...Rxc4
- 2.Sd3#
- 1...Rc5
- 2.Sd3#
- 1...Rb6
- 2.Sd3#
- 1...Rd6
- 2.Sd3#
- 1...Re6
- 2.Sd3#
- 1...Rxf6
- 2.Sd3#
- 1...Bc5
- 2.f4#
- 1...Bb6
- 2.f4#
- 1...Ba7
- 2.f4#
- 1...Sxg3
- 2.Qxd4#
- 1...Sh4
- 2.Qxd4#
- 1...Sd6
- 2.Qxd4#
- 1...Sh6
- 2.Qxd4#
- 1...Se7
- 2.Qxd4#
- 1...Sg7
- 2.Qxd4#
- 1...Kxd5
- Tries
- 1.Sg6+?
- 1...Kxd5
- 2.Rc5#
- 1...hxg6!
- 1...Kxd5
- 1.Bd6+?
- 1...Kxd5
- 2.Rc5#
- 1...Rxd6
- 2.Sd3#
- 1...Sxd6
- 2.Qxd4#
- 1...cxd6!
- 1...Kxd5
- 1.Bxc6?
- threat
- 2.Sd3#
- 2.Re6#
- 1...Qxc4
- 2.Sxc4#
- 2.Re6#
- 1...Sxd5
- 2.Re6#
- 1...Sxg3
- 2.Sd3#
- 2.Qxd4#
- 1...e1Q
- 2.Re6#
- 1...e1S
- 2.Re6#
- 1...e1B
- 2.Re6#
- 1...e1R
- 2.Re6#
- 1...Sb1
- 2.Re6#
- 1...Sd1
- 2.Re6#
- 1...Sa2
- 2.Re6#
- 1...Sa4
- 2.Re6#
- 1...Se4
- 2.Re6#
- 2.f4#
- 1...Sb5
- 2.Re6#
- 1...Sh4
- 2.Sd3#
- 2.Qxd4#
- 1...Sd6
- 2.Sd3#
- 2.Qxd4#
- 1...Sh6
- 2.Sd3#
- 2.Qxd4#
- 1...Se7
- 2.Sd3#
- 2.Qxd4#
- 1...Sg7
- 2.Sd3#
- 2.Qxd4#
- 1...Qxc6!
- threat
- 1.Re6+?
- 1...Rxe6
- 2.Sd3#
- 1...Kxd5+!
- 1...Rxe6
- 1.Qd3?
- threat
- 2.Rxf5#
- 2.Qxf5#
- 1...Kxd5
- 2.Rc5#
- 1...Rxf6
- 2.f4#
- 1...Sxg3
- 2.Qxd4#
- 1...Rc5
- 2.Qxf5#
- 2.f4#
- 1...Bc5
- 2.Qxf5#
- 2.f4#
- 1...Se4
- 2.Qxe4#
- 1...Sh4
- 2.Qxd4#
- 1...Sd6
- 2.Qxd4#
- 1...Sh6
- 2.Qxd4#
- 1...Se7
- 2.Qxd4#
- 1...Sg7
- 2.Qxd4#
- 1...Bh3!
- threat
- 1.Sg6+?
- Keys
- 1.g4!
- threat
- 2.Rxf5#
- 1...Kf4
- 2.Qxe3#
- 1...Kxd5
- 2.Rc5#
- 1...Rxf6
- 2.Sd3#
- 1...Rc5
- 2.Sd3#
- 1...Bc5
- 2.f4#
- 1...Sg3
- 2.Qxd4#
- 1...Sh4
- 2.Qxd4#
- 1...Sd6
- 2.Qxd4#
- 1...Sh6
- 2.Qxd4#
- 1...Se7
- 2.Qxd4#
- 1...Sg7
- 2.Qxd4#
- threat
- 1.g4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 6
- Sets
- K(g);OGATEB,P-FLIGHT,P_PINR(J),P_SPINB(f),P_SPINR(j),XP(H)::R1(G)
- R(j);XR(G)::S(A)
- R(j);::S(A)
- R(j);XR(J)::S(A)
- B(f);::P(D)
- S(h);N_GUARD,XP(E)::QAB1(B),XB(f)
- S(h);N_GUARD::QAB1(B),XB(f)
- Tries
- Try
- S(M);CHECK
- Vars
- K(g);P-FLIGHT,P_PINR(J),P_SPINB(f),P_SPINR(j),XP(H)::R1(G)
- Refutation
- P(l);XS(M)
- Try
- B(F);CHECK
- Vars
- K(g);P-FLIGHT,P_PINR(J),P_SPINB(f),P_SPINR(j),XP(H)::R1(G)
- R(j);XB(F)::S(A)
- S(h);XB(F)::QAB1(B),XB(f)
- Refutation
- P(k);XB(F)
- Try
- B(L);XR(j)
- Threat
- DUALS(2)
- Vars
- S(d);XP(H)::R1(J)
- P(b);::R1(J)
- S(d);::R1(J)
- Refutation
- Q(i);XB(L)
- Try
- R(J);CHECK
- Vars
- R(j);XR(J)::S(A)
- Refutation
- K(g);CHECK,P-FLIGHT,P_SPINB(f),P_SPINR(j),XP(H)
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- K(g);OGATEB,P-FLIGHT,P_PINR(J),P_SPINB(f),P_SPINR(j),XP(H)::R1(G)
- R(j);XR(J)::P(D)
- S(h);N_GUARD,XP(E)::QAB1(B),XB(f)
- S(d);N_GUARD::QAR1(B),XS(d)
- S(h);N_GUARD::QAB1(B),XB(f)
- Refutation
- B(a);
- Try
- Actual
- P(E);
- Threat
- R1(J),XS(h)
- Vars
- K(g);P_PINR(J),P_SPINB(f),P_SPINP(e),P_SPINS(h),S_FLIGHT::QAB1(B),XP(e)
- K(g);OGATEB,P-FLIGHT,P_PINR(J),P_SPINB(f),P_SPINR(j),XP(H)::R1(G)
- R(j);XR(J)::S(A)
- R(j);::S(A)
- B(f);::P(D)
- S(h);N_GUARD::QAB1(B),XB(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).