MESON Chess Problem Database
Problem Display
PID: 153122 (5n1b/2p4Q/KN2N1qB/1R6/2Bpk1P1/p4p2/2P1bP2/3rR3 w - - 0 1)
Handloser, Ralf Chris
Probleemblad, 2014
#2
11 + 10
| 23 | Die Schwalbe | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Qf5
- 2.Qxf5#
- 1...Ra1
- 2.Bd3#
- 1...Rb1
- 2.Bd3#
- 1...Rc1
- 2.Bd3#
- 1...Rd3
- 2.Bxd3#
- 2.cxd3#
- 1...Be5
- 2.Sc5#
- 2.Bd5#
- 1...Sxe6
- 2.Qxg6#
- 1...Sd7
- 2.Qxg6#
- 1...cxb6
- 2.Qb7#
- 1...Qf5
- Tries
- 1.Sd7?
- threat
- 2.Bd5#
- 1...Sxd7
- 2.Qxg6#
- 1...c6
- 2.Sec5#
- 1...c5!
- threat
- 1.Bxe2?
- threat
- 2.Bxd1#
- 2.Bd3#
- 1...Rxe1
- 2.Bd3#
- 1...Ra1
- 2.Bd1#
- 2.Bd3#
- 1...Rb1
- 2.Bd1#
- 2.Bd3#
- 1...Rc1
- 2.Bd1#
- 2.Bd3#
- 1...Rd2
- 2.Bd3#
- 1...Rd3
- 2.Bxd3#
- 2.cxd3#
- 1...d3
- 2.Bxd1#
- 2.Bxd3#
- 1...fxe2!
- threat
- 1.Rd5?
- threat
- 2.Sc5#
- 1...Sxe6
- 2.Qxg6#
- 1...Sd7
- 2.Qxg6#
- 1...c5
- 2.Sxc5#
- 1...cxb6!
- threat
- 1.Re5+?
- 1...Bxe5
- 2.Sc5#
- 1...Kxe5!
- 1...Bxe5
- 1.Qxc7?
- threat
- 2.Sc5#
- 2.Bd5#
- 2.Qf4#
- 2.Qc6#
- 2.Qb7#
- 1...Qxg4
- 2.Qc6#
- 2.Qb7#
- 1...Qxe6
- 2.Qf4#
- 1...Qxh6
- 2.Sc5#
- 2.Bd5#
- 2.Qc6#
- 2.Qb7#
- 1...Sxe6
- 2.Bd5#
- 2.Qc6#
- 2.Qb7#
- 1...Qh5
- 2.Qf4#
- 1...Qf7
- 2.Sc5#
- 2.Sg5#
- 2.Bd5#
- 2.Qc6#
- 1...Qh7
- 2.Sc5#
- 2.Sg5#
- 2.Bd5#
- 2.Qf4#
- 2.Qc6#
- 1...Qe8
- 2.Sc5#
- 2.Sg5#
- 2.Bd5#
- 2.Qf4#
- 1...Qg5
- 2.Sxg5#
- 1...Qf6
- 2.Sc5#
- 2.Bd5#
- 2.Qc6#
- 2.Qb7#
- 1...Qg7
- 2.Sc5#
- 2.Bd5#
- 2.Qf4#
- 2.Qc6#
- 1...Be5
- 2.Sc5#
- 2.Bd5#
- 2.Rxe5#
- 2.Qxe5#
- 2.Qc6#
- 2.Qb7#
- 1...Sd7
- 2.Bd5#
- 2.Qf4#
- 2.Qc6#
- 2.Qb7#
- 1...d3
- 2.Bd5#
- 2.Qf4#
- 2.Qc6#
- 2.Qb7#
- 1...Qf5!
- threat
- 1.Sd7?
- Keys
- 1.Rh5!
- threat
- 2.Sc5#
- 1...Sxe6
- 2.Qxg6#
- 1...cxb6
- 2.Qb7#
- 1...Qf5
- 2.Qxf5#
- 1...Sd7
- 2.Qxg6#
- 1...d3
- 2.Bd5#
- 1...c5
- 2.Sxc5#
- 2.Qb7#
- threat
- 1.Rh5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 3
- Sets
- Q(g);OGATE::QAB1(K),XQ(g)
- R(a);N_GUARD::B(D)
- S(i);N_GUARD,XS(I)::QAB(K),XQ(g)
- S(i);N_GUARD::QAB(K),XQ(g)
- P(h);OGATE,XS(H)::QAB(K)
- Tries
- Try
- S(H);P_SPINS(I)
- Threat
- B(D)
- Vars
- S(i);N_GUARD,XS(H)::QAB(K),XQ(g)
- P(h);N_PINS(I)::S(I)
- Refutation
- P(h);
- Try
- B(D);XB(b)
- Threat
- DUALS(2)
- Vars
- R(a);XR(A)::B(D)
- R(a);::R(A)+B(D),DCHECK
- Refutation
- P(d);P_SPINP(d),XB(D)
- Try
- R(F);P_SPINB(D)
- Threat
- S(I)
- Vars
- S(i);N_GUARD,XS(I)::QAB(K),XQ(g)
- S(i);N_GUARD::QAB(K),XQ(g)
- P(h);::S(I),XP(h)
- Refutation
- P(h);XS(H)
- Try
- R(F);CHECK,P_SPINB(D)
- Vars
- B(j);SBLOCK,XR(F)::S(I)
- Refutation
- K(f);N_SPINQ(g),P-FLIGHT,XR(F)
- Try
- Q(K);N_PINQ(g),XP(h)
- Threat
- DUALS(5)
- Vars
- Q(g);P_PINS(H),XS(I)::QAR1(K)
- Q(g);::QAR1(K)
- Q(g);N_GUARD::S(I),XQ(g)
- Refutation
- Q(g);
- Try
- Actual
- R(F);P_SPINB(D)
- Threat
- S(I)
- Vars
- S(i);N_GUARD,XS(I)::QAB(K),XQ(g)
- P(h);OGATE,XS(H)::QAB(K)
- Q(g);OGATE::QAB1(K),XQ(g)
- S(i);N_GUARD::QAB(K),XQ(g)
- P(e);N_PINB(D)::B(D)
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).