MESON Chess Problem Database
Problem Display
PID: 18163 (1N3B2/2p4p/3pk1P1/2r2Rb1/5pN1/3Q3K/b3B3/4R3 w - - 0 1)
Richenberg, LJ
Time & Tide, 1953
#2
9 + 8
SOLUTION
- SOUND
- Sets
- 1...Rc1
- 2.Bd1#
- 2.Qe4#
- 1...Rc2
- 2.Qe4#
- 1...Rc3
- 2.Bd1#
- 2.Bf1#
- 2.Bf3#
- 1...Rc4
- 2.Qd5#
- 1...Rc6
- 2.Bd1#
- 2.Bf1#
- 2.Bf3#
- 2.Qe4#
- 1...Bf6
- 2.Rxf6#
- 1...Bh6
- 2.Rf6#
- 1...d5
- 2.Bd1#
- 2.Bf1#
- 2.Bf3#
- 2.Re5#
- 1...Rc1
- Tries
- 1.Rxc5?
- threat
- 2.Bd1#
- 2.Bf1#
- 2.Bf3#
- 2.Qe4#
- 2.Qf5#
- 1...dxc5
- 2.Bd1#
- 2.Bf1#
- 2.Bf3#
- 2.Qe4#
- 2.Qd7#
- 1...Bb1
- 2.Bd1#
- 2.Bf1#
- 2.Bf3#
- 2.Qd5#
- 1...Bd5
- 2.Qxd5#
- 1...Bh4
- 2.Qe4#
- 2.Qf5#
- 1...Bf6
- 2.Qf5#
- 1...f3
- 2.Qe4#
- 2.Qf5#
- 1...d5
- 2.Bd1#
- 2.Bf1#
- 2.Bf3#
- 2.Rc6#
- 1...hxg6!
- threat
- 1.Re5+?
- 1...dxe5
- 2.Qd7#
- 1...Rxe5!
- 1...dxe5
- 1.Qb3+?
- 1...Kxf5
- 2.Bd3#
- 1...Rc4
- 2.Bd3#
- 1...Rd5
- 2.Bd3#
- 1...d5
- 2.Bd3#
- 2.Re5#
- 1...Bxb3!
- 1...Kxf5
- 1.Qxd6+?
- 1...Kxf5
- 2.Bd3#
- 1...cxd6!
- 1...Kxf5
- 1.g7?
- threat
- 2.g8Q#
- 2.g8B#
- 1...Bf6
- 2.Rxf6#
- 2.g8Q#
- 2.g8B#
- 1...Re5
- 2.g8Q#
- 2.g8B#
- 1...Rc1
- 2.Bd1#
- 2.Qe4#
- 2.g8Q#
- 2.g8B#
- 1...Rc2
- 2.Qe4#
- 2.g8Q#
- 2.g8B#
- 1...Rc3
- 2.Bd1#
- 2.Bf1#
- 2.Bf3#
- 2.g8Q#
- 2.g8B#
- 1...Rc4
- 2.Qd5#
- 2.g8Q#
- 2.g8B#
- 1...Ra5
- 2.g8Q#
- 2.g8B#
- 1...Rb5
- 2.g8Q#
- 2.g8B#
- 1...Rd5
- 2.g8Q#
- 2.g8B#
- 1...Rc6
- 2.Bd1#
- 2.Bf1#
- 2.Bf3#
- 2.Qe4#
- 2.g8Q#
- 2.g8B#
- 1...Bb1
- 2.g8Q#
- 2.g8B#
- 1...Bb3
- 2.g8Q#
- 2.g8B#
- 1...Bc4
- 2.g8Q#
- 2.g8B#
- 1...Bd5
- 2.g8Q#
- 2.g8B#
- 1...Bh4
- 2.g8Q#
- 2.g8B#
- 1...Bh6
- 2.Rf6#
- 2.g8Q#
- 2.g8B#
- 1...Be7
- 2.g8Q#
- 2.g8B#
- 1...Bd8
- 2.g8Q#
- 2.g8B#
- 1...f3
- 2.g8Q#
- 2.g8B#
- 1...d5
- 2.Bd1#
- 2.Bf1#
- 2.Bf3#
- 2.g8Q#
- 2.g8B#
- 1...c6
- 2.g8Q#
- 2.g8B#
- 1...h5
- 2.g8Q#
- 2.g8B#
- 1...h6
- 2.g8Q#
- 2.g8B#
- 1...Rxf5!
- threat
- 1.Rxc5?
- Keys
- 1.Qa6!
- threat
- 2.Qc8#
- 1...Rc3+
- 2.Bd3#
- 1...Kxf5
- 2.Bd3#
- 1...Rxf5
- 2.Bc4#
- 1...Re5
- 2.Rxe5#
- threat
- 1.Qa6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 4
- Sets
- R(c);N_GUARD::QAR2(C)
- R(c);N_GUARD,S_CUTB(a)::QAB1(C)
- B(d);N_GUARD::R1(F),XB(d)
- B(d);N_GUARD::R1(F)
- Tries
- Try
- R(F);XR(c)
- Threat
- DUALS(5)
- Vars
- B(a);N_GUARD::QAB1(C),XB(a)
- B(d);::QAB1(C)
- Refutation
- P(h);XP(G)
- Try
- R(F);CHECK
- Vars
- P(e);OGATE,XR(F)::QAB1(C)
- Refutation
- R(c);XR(F)
- Try
- Q(C);CHECK
- Vars
- K(f);S_FLIGHT,XR(F)::B(B)
- R(c);P_SPINR(c)::R(A)+B(B)
- Refutation
- B(a);XQ(C)
- Try
- Q(C);CHECK,XP(e)
- Vars
- K(f);S_FLIGHT,XR(F)::B(B)
- Refutation
- P(g);XQ(C)
- Try
- P(G);
- Threat
- P=Q
- Vars
- R(c);::P=Q
- B(a);::P=Q
- B(d);::P=Q
- P(b);::P=Q
- P(g);::P=Q
- P(h);::P=Q
- Refutation
- R(c);XR(F)
- Try
- Actual
- Q(C);P_PINP(e)
- Threat
- QAB(C)
- Vars
- R(c);CHECK,N_GUARD::R(A)+B(B)
- K(f);N_SPINP(e),S_FLIGHT,XR(F)::B(B)
- R(c);SBLOCK,XR(F)::R(A)+B(B),DCHECK
- R(c);N_GUARD::R1(F),XR(c)
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).