MESON Chess Problem Database
Problem Display
PID: 152679 (B1n1r3/1R6/3P1N2/1N6/4q2r/1b1QPkPP/5P2/6K1 w - - 0 1)
Paslack, Rainer
StrateGems, 2011
#2
11 + 6
SOLUTION
- SOUND
- Sets
- 1...Qf5
- 2.e4#
- 1...Qc6
- 2.e4#
- 1...Qg6
- 2.e4#
- 1...Qxb7
- 2.e4#
- 1...Qh7
- 2.e4#
- 1...Qa4
- 2.e4#
- 1...Qb4
- 2.e4#
- 1...Qg4
- 2.e4#
- 1...Qe5
- 2.e4#
- 1...Qe6
- 2.e4#
- 1...Qe7
- 2.e4#
- 1...Bd1
- 2.Qxd1#
- 1...Ba2
- 2.Qd1#
- 1...Bd5
- 2.Qd1#
- 1...Be6
- 2.Qd1#
- 1...Bf7
- 2.Qd1#
- 1...Bg8
- 2.Qd1#
- 1...Qf5
- Tries
- 1.Rb6?
- threat
- 2.Sd4#
- 1...Qxa8
- 2.e4#
- 1...Qc6
- 2.e4#
- 1...Qb7
- 2.e4#
- 1...Bd5
- 2.Qd1#
- 1...Qd5!
- threat
- 1.Ra7?
- threat
- 2.Sd4#
- 1...Qxa8
- 2.e4#
- 1...Qc6
- 2.e4#
- 1...Qb7
- 2.e4#
- 1...Bd5
- 2.Qd1#
- 1...Qd5!
- threat
- 1.Rc7?
- threat
- 2.Sd4#
- 1...Qxa8
- 2.e4#
- 1...Qc6
- 2.e4#
- 1...Qb7
- 2.e4#
- 1...Bd5
- 2.Qd1#
- 1...Qd5!
- threat
- 1.Rd7?
- threat
- 2.Sd4#
- 1...Qxa8
- 2.e4#
- 1...Qc6
- 2.e4#
- 1...Qb7
- 2.e4#
- 1...Bd5
- 2.Qd1#
- 1...Qd5!
- threat
- 1.Re7?
- threat
- 2.Sd4#
- 1...Qxa8
- 2.e4#
- 1...Qc6
- 2.e4#
- 1...Qb7
- 2.e4#
- 1...Bd5
- 2.Qd1#
- 1...Qd5!
- threat
- 1.Rg7?
- threat
- 2.Sd4#
- 1...Qxa8
- 2.e4#
- 1...Qc6
- 2.e4#
- 1...Qb7
- 2.e4#
- 1...Bd5
- 2.Qd1#
- 1...Qd5!
- threat
- 1.Rh7?
- threat
- 2.Sd4#
- 1...Qxa8
- 2.e4#
- 1...Qc6
- 2.e4#
- 1...Qb7
- 2.e4#
- 1...Bd5
- 2.Qd1#
- 1...Qd5!
- threat
- 1.Rb8?
- threat
- 2.Sd4#
- 1...Qxa8
- 2.e4#
- 1...Qc6
- 2.e4#
- 1...Qb7
- 2.e4#
- 1...Bd5
- 2.Qd1#
- 1...Qd5!
- threat
- 1.Rb6?
- Keys
- 1.Rf7!
- threat
- 2.Sd4#
- 1...Qxa8
- 2.e4#
- 1...Qd5
- 2.Sg4#
- 1...Qc6
- 2.e4#
- 1...Qb7
- 2.e4#
- 1...Bd5
- 2.Qd1#
- threat
- 1.Rf7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 14
- Sets
- Q(c);OGATE::QAR(C)+P(D)
- Q(c);OGATE,P_PINP(E)::QAR(C)+P(D)
- Q(c);OGATE,P_SPINQ(c),XR(J)::QAR(C)+P(D)
- B(a);N_GUARD::QAB(C),XB(a)
- B(a);N_GUARD::QAB(C)
- Tries
- Try
- R(J);P_PINQ(c)
- Threat
- S(G)
- Vars
- Q(c);N_SPINQ(c),OGATE,XB(K)::QAR(C)+P(D)
- Q(c);OGATE::QAR(C)+P(D)
- B(a);N_GUARD,N_SPINQ(c)::QAB(C)
- Refutation
- Q(c);
- Try
- R(J);P_PINQ(c)
- Threat
- S(G)
- Vars
- Q(c);N_SPINQ(c),OGATE,XB(K)::QAR(C)+P(D)
- Q(c);OGATE::QAR(C)+P(D)
- B(a);N_GUARD,N_SPINQ(c)::QAB(C)
- Refutation
- Q(c);
- Try
- R(J);P_PINQ(c)
- Threat
- S(G)
- Vars
- Q(c);N_SPINQ(c),OGATE,XB(K)::QAR(C)+P(D)
- Q(c);OGATE::QAR(C)+P(D)
- B(a);N_GUARD,N_SPINQ(c)::QAB(C)
- Refutation
- Q(c);
- Try
- R(J);P_PINQ(c)
- Threat
- S(G)
- Vars
- Q(c);N_SPINQ(c),OGATE,XB(K)::QAR(C)+P(D)
- Q(c);OGATE::QAR(C)+P(D)
- B(a);N_GUARD,N_SPINQ(c)::QAB(C)
- Refutation
- Q(c);
- Try
- R(J);P_PINQ(c)
- Threat
- S(G)
- Vars
- Q(c);N_SPINQ(c),OGATE,XB(K)::QAR(C)+P(D)
- Q(c);OGATE::QAR(C)+P(D)
- B(a);N_GUARD,N_SPINQ(c)::QAB(C)
- Refutation
- Q(c);
- Try
- R(J);P_PINQ(c)
- Threat
- S(G)
- Vars
- Q(c);N_SPINQ(c),OGATE,XB(K)::QAR(C)+P(D)
- Q(c);OGATE::QAR(C)+P(D)
- B(a);N_GUARD,N_SPINQ(c)::QAB(C)
- Refutation
- Q(c);
- Try
- R(J);P_PINQ(c)
- Threat
- S(G)
- Vars
- Q(c);N_SPINQ(c),OGATE,XB(K)::QAR(C)+P(D)
- Q(c);OGATE::QAR(C)+P(D)
- B(a);N_GUARD,N_SPINQ(c)::QAB(C)
- Refutation
- Q(c);
- Try
- R(J);P_PINQ(c)
- Threat
- S(G)
- Vars
- Q(c);N_SPINQ(c),OGATE,XB(K)::QAR(C)+P(D)
- Q(c);OGATE::QAR(C)+P(D)
- B(a);N_GUARD,N_SPINQ(c)::QAB(C)
- Refutation
- Q(c);
- Try
- Actual
- R(J);P_PINQ(c)
- Threat
- S(G)
- Vars
- Q(c);N_SPINQ(c),OGATE,XB(K)::QAR(C)+P(D)
- Q(c);S_CUTB(a)::R(J)+S(I)
- Q(c);OGATE::QAR(C)+P(D)
- B(a);N_GUARD,N_SPINQ(c)::QAB(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).