MESON Chess Problem Database
Problem Display
PID: 241221 (2B5/K6R/1N1kNP2/1P2b3/3P2p1/3Q2r1/6bB/3n3q w - - 0 1)
Maleika, Gerhard
Sachsische Zeitung, 2007
#2
10 + 7
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rxd3
- 2.Bxe5#
- 2.dxe5#
- 1...Re3
- 2.dxe5#
- 1...Rf3
- 2.Bxe5#
- 2.dxe5#
- 1...Rh3
- 2.Bxe5#
- 2.dxe5#
- 1...Bf3
- 2.Qa3#
- 1...Bxd4
- 2.Bxg3#
- 1...Bxf6
- 2.Qa3#
- 1...Se3
- 2.Qa3#
- 1...Rxd3
- Tries
- 1.Sc7?
- threat
- 2.Sc4#
- 2.Se8#
- 2.Rd7#
- 1...Bc6
- 2.Sc4#
- 1...Bd5
- 2.Se8#
- 2.Rd7#
- 1...Sb2
- 2.Se8#
- 2.Rd7#
- 1...Se3
- 2.Se8#
- 2.Rd7#
- 2.Qa3#
- 1...Bxd4!
- threat
- 1.Bxg3?
- threat
- 2.Bxe5#
- 2.Qa3#
- 2.dxe5#
- 1...Bxg3
- 2.Qa3#
- 2.Qxg3#
- 1...Qe1
- 2.dxe5#
- 1...Qh2
- 2.Qa3#
- 2.dxe5#
- 1...Qh5
- 2.Qa3#
- 2.dxe5#
- 1...Bf4
- 2.Bxf4#
- 2.Qa3#
- 1...Sc3
- 2.Bxe5#
- 2.dxe5#
- 1...Qxh7+!
- threat
- 1.Rh8?
- threat
- 2.Rd8#
- 1...Bxd4
- 2.Bxg3#
- 1...Bxf6
- 2.Qa3#
- 1...Bc6!
- threat
- 1.Qc4?
- threat
- 2.Rd7#
- 2.Qb4#
- 2.Qc5#
- 2.Qc7#
- 1...Bxd4
- 2.Qc7#
- 1...Bc6
- 2.Qb4#
- 2.Qc5#
- 1...Qe1
- 2.Rd7#
- 2.Qc5#
- 2.Qc7#
- 1...Rb3
- 2.Bxe5#
- 2.Rd7#
- 2.Qc5#
- 2.Qc7#
- 2.dxe5#
- 1...Rc3
- 2.Bxe5#
- 2.Rd7#
- 2.dxe5#
- 1...Bd5
- 2.Qb4#
- 2.Qc5#
- 2.Qc7#
- 1...Ra3+!
- threat
- 1.Qf5?
- threat
- 2.Rd7#
- 2.Qxe5#
- 2.dxe5#
- 1...Bxd4
- 2.Rd7#
- 1...Bxf6
- 2.Sc4#
- 2.Rd7#
- 2.Qc5#
- 1...Bc6
- 2.Qxe5#
- 2.dxe5#
- 1...Qe1
- 2.Rd7#
- 1...Re3
- 2.Rd7#
- 1...Bf4
- 2.Sc4#
- 2.Rd7#
- 2.Qxf4#
- 2.Qc5#
- 1...Ra3+!
- threat
- 1.Qb3?
- threat
- 2.Rd7#
- 2.Qb4#
- 1...Rxb3
- 2.Bxe5#
- 2.dxe5#
- 1...Bc6
- 2.Qb4#
- 1...Qe1
- 2.Rd7#
- 1...Rc3
- 2.Bxe5#
- 2.Rd7#
- 2.dxe5#
- 1...Bd5
- 2.Qb4#
- 1...Bxd4!
- threat
- 1.Qc3?
- threat
- 2.Qb4#
- 2.Qc5#
- 2.Qc7#
- 2.dxe5#
- 1...Rxc3
- 2.Bxe5#
- 2.dxe5#
- 1...Bxd4
- 2.Qc7#
- 1...Bxf6
- 2.Qb4#
- 2.Qa3#
- 2.Qc5#
- 2.Qc7#
- 1...Bc6
- 2.Qb4#
- 2.Qc5#
- 2.dxe5#
- 1...Qe1
- 2.Qc5#
- 2.Qc7#
- 1...Re3
- 2.Qb4#
- 2.Qc5#
- 2.Qc7#
- 1...Bf4
- 2.Qb4#
- 2.Qc5#
- 2.Qc7#
- 1...Sxc3!
- threat
- 1.Qxg3?
- threat
- 2.Qxe5#
- 2.Qa3#
- 2.dxe5#
- 1...Qxh2
- 2.Qa3#
- 2.dxe5#
- 1...Bxg3
- 2.Bxg3#
- 1...Bf3
- 2.Qxe5#
- 2.dxe5#
- 1...Bf4
- 2.Qxf4#
- 2.Qa3#
- 1...Sc3
- 2.Qxe5#
- 2.dxe5#
- 1...Se3
- 2.Qxe5#
- 2.dxe5#
- 1...Qe1!
- threat
- 1.d5?
- threat
- 2.Sc4#
- 2.Rd7#
- 1...Rxd3
- 2.Rd7#
- 1...Bxd5
- 2.Sc4#
- 1...Bxf6
- 2.Sc4#
- 1...Ba1
- 2.Sc4#
- 1...Bb2
- 2.Sc4#
- 1...Bc3
- 2.Sc4#
- 1...Bf4
- 2.Sc4#
- 1...Qg1
- 2.Rd7#
- 1...Sb2
- 2.Rd7#
- 1...Se3
- 2.Rd7#
- 2.Qa3#
- 1...Bd4!
- threat
- 1.Sc7?
- Keys
- 1.Rh5!
- threat
- 2.dxe5#
- 1...Bxd4
- 2.Bxg3#
- 1...Bxf6
- 2.Qa3#
- 1...Bf4
- 2.Sc4#
- threat
- 1.Rh5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 3
- Sets
- R(d);P_SPINB(f)::QAR(B)+P(C)DCHECK,XB(f)
- B(c);S_CUTR(d)::QAB(B)
- B(f);OGATEB,P_PINS(E),P_SPINB(f),P_SPINR(d),XP(C)::B(A),XR(d)
- B(f);P_SPINR(d),XP(G)::QAB(B)
- S(a);S_CUTR(d)::QAB(B)
- Tries
- Try
- S(F);
- Threat
- DUALS(3)
- Vars
- B(c);::S(E)
- Refutation
- B(f);P_PINS(E),P_SPINB(f),P_SPINR(d),XP(C)
- Try
- B(A);P_PINB(f),XR(d)
- Threat
- DUALS(3)
- Vars
- Q(b);::QAR(B)+P(C)DCHECK,XB(f)
- Refutation
- Q(b);CHECK,XR(I)
- Try
- R(I);
- Threat
- R(I)
- Vars
- B(f);OGATEB,P_PINS(E),P_SPINB(f),P_SPINR(d),XP(C)::B(A),XR(d)
- B(f);P_SPINR(d),XP(G)::QAB(B)
- Refutation
- B(c);
- Try
- Q(B);
- Threat
- DUALS(4)
- Vars
- B(f);P_PINS(E),P_SPINR(d),XP(C)::QAB1(B)
- Refutation
- R(d);CHECK,P_SPINB(f)
- Try
- Q(B);
- Threat
- DUALS(3)
- Vars
- B(f);P_PINS(E),P_SPINR(d),XP(C)::R1(I)
- Q(b);::R1(I)
- R(d);P_SPINB(f)::R1(I)
- Refutation
- R(d);CHECK,P_SPINB(f)
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- B(c);::QAB(B)
- Q(b);::R1(I)
- Refutation
- B(f);P_PINS(E),P_SPINR(d),XP(C)
- Try
- Q(B);
- Threat
- DUALS(4)
- Vars
- B(f);P_PINS(E),P_SPINR(d),XP(C)::QAB1(B)
- Refutation
- S(a);XQ(B)
- Try
- Q(B);P_PINB(f),XR(d)
- Threat
- DUALS(3)
- Vars
- B(f);OGATE,XQ(B)::B(A),XB(f)
- Refutation
- Q(b);
- Try
- P(C);
- Threat
- DUALS(2)
- Vars
- R(d);P_SPINB(f),XQ(B)::R1(I)
- B(c);P_SPINB(c),XP(C)::S(E)
- B(f);P_SPINR(d),XP(G)::S(E)
- B(f);P_SPINR(d)::S(E)
- B(f);::S(E)
- Q(b);P_PINS(E)::R1(I)
- S(a);::R1(I)
- Refutation
- B(f);P_PINS(E),P_SPINR(d)
- Try
- Actual
- R(I);
- Threat
- QAR(B)+P(C)DCHECK,XB(f)
- Vars
- B(f);OGATEB,P_PINS(E),P_SPINB(f),P_SPINR(d),XP(C)::B(A),XR(d)
- B(f);P_SPINR(d),XP(G)::QAB(B)
- B(f);::S(E)
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).