MESON Chess Problem Database
Problem Display
PID: 179165 (8/8/K1R2b1p/p2k4/B1R2B2/1pPN4/4rr2/4qbQ1 w - - 0 1)
Popa, Nicolae
Phenix, 2014
#2
8 + 9
| 6490 | yacpdb | 2018 |
| 5454 | Near Snap | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Re4
- 2.R4c5#
- 1...Re5
- 2.Rd4#
- 1...Rg2
- 2.Qc5#
- 1...Rh2
- 2.Qc5#
- 1...Rf3
- 2.Qc5#
- 1...Rxf4
- 2.Qc5#
- 1...Bd4
- 2.Rxd4#
- 1...Bh4
- 2.Rd4#
- 1...Be5
- 2.Qg8#
- 1...Bg5
- 2.Rd4#
- 1...Be7
- 2.Rd4#
- 1...Bd8
- 2.Rd4#
- 1...Re4
- Tries
- 1.Se5?
- threat
- 2.Rd4#
- 2.Qg8#
- 1...Qxc3
- 2.Qg8#
- 1...Rxf4
- 2.Qc5#
- 1...Bxe5
- 2.Qg8#
- 1...Qd2
- 2.Qg8#
- 1...Qd1
- 2.Qg8#
- 1...Ra2
- 2.Qg8#
- 1...Rb2
- 2.Qg8#
- 1...Rc2
- 2.Qg8#
- 1...Rd2
- 2.Qg8#
- 1...Re3
- 2.Qg8#
- 1...Re4
- 2.Qg8#
- 1...Rg2
- 2.Rd4#
- 2.Qd4#
- 2.Qc5#
- 1...Bg2
- 2.Rd4#
- 1...Bh3
- 2.Rd4#
- 1...Bg5
- 2.Rd4#
- 1...Bg7
- 2.Rd4#
- 1...Rxe5!
- threat
- 1.Bb5?
- threat
- 2.Rd6#
- 1...Rxf4
- 2.Qc5#
- 1...Bd4
- 2.Rxd4#
- 1...Re5
- 2.Rd4#
- 1...Be5
- 2.Qg8#
- 1...Be7
- 2.Rd4#
- 1...Re6!
- threat
- 1.Be5?
- threat
- 2.Rd4#
- 2.Qg8#
- 1...Qxc3
- 2.Qg8#
- 1...Rxe5
- 2.Rd4#
- 1...Re4
- 2.R4c5#
- 2.Qg8#
- 1...Rg2
- 2.Rd4#
- 2.Qd4#
- 2.Qc5#
- 1...Rf4
- 2.Qc5#
- 2.Qg8#
- 1...Bg2
- 2.Rd4#
- 1...Bh3
- 2.Rd4#
- 1...Bh4
- 2.Rd4#
- 1...Bg5
- 2.Rd4#
- 1...Be7
- 2.Rd4#
- 1...Bg7
- 2.Rd4#
- 1...Bd8
- 2.Rd4#
- 1...Bh8
- 2.Rd4#
- 1...Bxe5!
- threat
- 1.Qg4?
- threat
- 2.R6c5#
- 2.Qd7#
- 1...Rxf4
- 2.Qd7#
- 1...Bd4
- 2.Rxd4#
- 1...Re5
- 2.Rd4#
- 2.Qd7#
- 1...Re7
- 2.R6c5#
- 1...Bh3
- 2.R6c5#
- 1...Be5
- 2.Qe6#
- 2.Qg8#
- 1...Be7
- 2.Rd4#
- 1...Re6!
- threat
- 1.Qg5+?
- 1...Re5
- 2.Rd4#
- 1...Be5
- 2.Rd4#
- 2.Qg8#
- 1...Bxg5
- 2.Rd4#
- 1...hxg5!
- 1...Re5
- 1.Qg6?
- threat
- 2.R4c5#
- 1...Bxc3
- 2.R6c5#
- 2.Qd6#
- 1...Bd4
- 2.Rxd4#
- 1...Be7
- 2.Rd4#
- 1...Qxc3!
- threat
- 1.Se5?
- Keys
- 1.Kb5!
- threat
- 2.Rd6#
- 1...Rxf4
- 2.Qc5#
- 1...Bd4
- 2.Rxd4#
- 1...Re5
- 2.Rd4#
- 1...Re6
- 2.R6c5#
- 1...Be5
- 2.Qg8#
- 1...Be7
- 2.Rd4#
- threat
- 1.Kb5!
Anticipated by 46153(2002)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 7
- Sets
- R(c);SBLOCK::R1(E)
- R(c);S_CUTB(h)::R1(E)
- R(d);OGATE::QAR1(A)
- R(d);OGATE,XB(F)::QAR1(A)
- B(h);N_GUARD::R1(E),XB(h)
- B(h);N_GUARD::R1(E)
- B(h);S_CUTR(c)::QAB(A)
- Tries
- Try
- S(C);
- Threat
- DUALS(2)
- Vars
- Q(a);XP(B)::QAB(A)
- R(d);OGATE,XB(F)::QAR1(A)
- B(h);XS(C)::QAB(A)
- Q(a);::QAB(A)
- R(c);P_PINR(E)::QAB(A)
- B(b);::R1(E)
- B(h);::R1(E)
- Refutation
- R(c);P_PINR(E),XS(C)
- Try
- B(D);
- Threat
- R1(H)
- Vars
- R(d);OGATE,XB(F)::QAR1(A)
- B(h);N_GUARD::R1(E),XB(h)
- R(c);S_CUTB(h)::R1(E)
- B(h);S_CUTR(c)::QAB(A)
- B(h);N_GUARD::R1(E)
- Refutation
- R(c);P_PINR(H)
- Try
- B(F);
- Threat
- DUALS(2)
- Vars
- Q(a);XP(B)::QAB(A)
- R(c);XB(F)::R1(E)
- B(b);::R1(E)
- B(h);::R1(E)
- Refutation
- B(h);XB(F)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- R(d);XB(F)::QAR2(A)
- B(h);N_GUARD::R1(E),XB(h)
- R(c);::R1(H)
- B(b);::R1(H)
- B(h);N_GUARD::R1(E)
- Refutation
- R(c);P_PINR(H)
- Try
- Q(A);CHECK
- Vars
- R(c);P_SPINR(c)::R1(E)
- B(h);XQ(A)::R1(E)
- Refutation
- P(i);XQ(A)
- Try
- Q(A);
- Threat
- R1(E)
- Vars
- B(h);N_GUARD::R1(E),XB(h)
- B(h);N_GUARD::R1(E)
- Refutation
- Q(a);XP(B)
- Try
- Actual
- K(G);S_FLIGHT
- Threat
- R1(H)
- Vars
- R(d);OGATE,XB(F)::QAR1(A)
- B(h);N_GUARD::R1(E),XB(h)
- R(c);S_CUTB(h)::R1(E)
- R(c);SBLOCK::R1(H)
- B(h);S_CUTR(c)::QAB(A)
- B(h);N_GUARD::R1(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).