MESON Chess Problem Database
Problem Display
PID: 175563 (1K2R3/3p3N/1p6/2b1P1P1/2PNk1B1/2Q1p1Pn/5r2/6n1 w - - 0 1)
Gavrilov, Constantin Grigorievich
Shakhmatny Zhurnal, 1900
#2
10 + 8
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Ra2
- 2.Sf6#
- 2.Bf5#
- 1...Rb2
- 2.Sf6#
- 2.Bf5#
- 1...Rc2
- 2.Sf6#
- 2.Bf5#
- 1...Rd2
- 2.Sf6#
- 2.Bf5#
- 1...Re2
- 2.Sf6#
- 2.Bf5#
- 1...Rg2
- 2.Sf6#
- 2.Bf5#
- 1...Rh2
- 2.Sf6#
- 2.Bf5#
- 1...Rf5
- 2.Bxf5#
- 1...Rf6
- 2.Sxf6#
- 1...Bd6+
- 2.exd6#
- 1...Sf3
- 2.Sf6#
- 2.Bf5#
- 1...Sf4
- 2.Sf6#
- 2.Bf5#
- 1...Sxg5
- 2.Sxg5#
- 1...d5
- 2.exd5 ep#
- 1...d6
- 2.exd6#
- 1...Ra2
- Tries
- 1.Se2?
- threat
- 2.Qc2#
- 1...Bd6+
- 2.exd6#
- 1...Rxe2
- 2.Sf6#
- 1...Be7
- 2.Qd4#
- 1...Sf4
- 2.Sf6#
- 1...Sxe2!
- threat
- 1.Sf3?
- threat
- 2.Sf6#
- 1...Bd6+
- 2.exd6#
- 1...Be7
- 2.Qd4#
- 1...Rxf3!
- threat
- 1.Sb5?
- 1...Bd6+
- 2.Sxd6#
- 2.exd6#
- 1...Sxg5
- 2.Sxg5#
- 1...Rf1
- 2.Qc2#
- 1...Ra2
- 2.Sf6#
- 1...Rb2
- 2.Sf6#
- 1...Rc2
- 2.Sf6#
- 2.Qxc2#
- 1...Rd2
- 2.Sf6#
- 1...Re2
- 2.Sf6#
- 1...Rg2
- 2.Sf6#
- 1...Rh2
- 2.Sf6#
- 1...Rf3
- 2.Qc2#
- 1...Rf4
- 2.Qc2#
- 1...Rf5
- 2.Qc2#
- 1...Rf6
- 2.Sxf6#
- 2.Qc2#
- 1...Rf7
- 2.Qc2#
- 1...Rf8
- 2.Qc2#
- 1...Ba3
- 2.Qd4#
- 1...Bb4
- 2.Qd4#
- 1...Bd4
- 2.Sd6#
- 2.Qxd4#
- 1...Be7
- 2.Qd4#
- 1...Bf8
- 2.Qd4#
- 1...Se2
- 2.Qc2#
- 1...Sf3
- 2.Sf6#
- 1...Sf4
- 2.Sf6#
- 1...d5
- 2.exd5 ep#
- 1...d6
- 2.exd6#
- 1...e2!
- 1...Bd6+
- 1.Sf5?
- threat
- 2.Sf6#
- 1...Bd6+
- 2.Sxd6#
- 2.exd6#
- 1...Be7
- 2.Qd4#
- 2.Qxe3#
- 1...Rxf5!
- threat
- 1.Bf3+?
- 1...Sxf3
- 2.Sf6#
- 1...Rxf3!
- 1...Sxf3
- 1.Se2?
- Keys
- 1.Sb3!
- 1...Bd6+
- 2.exd6#
- 1...Sxg5
- 2.Sxg5#
- 1...Rf1
- 2.Qc2#
- 1...Ra2
- 2.Sf6#
- 1...Rb2
- 2.Sf6#
- 1...Rc2
- 2.Sf6#
- 2.Qxc2#
- 1...Rd2
- 2.Sf6#
- 1...Re2
- 2.Sf6#
- 1...Rg2
- 2.Sf6#
- 1...Rh2
- 2.Sf6#
- 1...Rf3
- 2.Qc2#
- 1...Rf4
- 2.Qc2#
- 1...Rf5
- 2.Qc2#
- 1...Rf6
- 2.Sxf6#
- 2.Qc2#
- 1...Rf7
- 2.Qc2#
- 1...Rf8
- 2.Qc2#
- 1...Ba3
- 2.Qd4#
- 1...Bb4
- 2.Qd4#
- 1...Bd4
- 2.Qxd4#
- 1...Be7
- 2.Qd4#
- 1...Bf8
- 2.Qd4#
- 1...Se2
- 2.Qc2#
- 1...Sf3
- 2.Sf6#
- 1...Sf4
- 2.Sf6#
- 1...e2
- 2.Sd2#
- 1...b5
- 2.Sxc5#
- 1...d5
- 2.exd5 ep#
- 1...d6
- 2.exd6#
- 1...Bd6+
- 1.Sb3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 21
- REMOVED MATES = 1
- Sets
- R(b);N_GUARD::B(E),XR(b)
- R(b);N_GUARD::S(H),XR(b)
- B(f);CHECK,OGATE::R(J)+P(F),XB(f)
- S(d);XP(G)::S(H),XS(d)
- P(h);OGATE::R(J)+P(F),XP(h),EP
- P(h);OGATE::R(J)+P(F),XP(h)
- Tries
- Try
- S(D);
- Threat
- QAB(A)
- Vars
- B(f);CHECK,OGATE::R(J)+P(F),XB(f)
- R(b);N_GUARD,XS(D)::S(H)
- B(f);N_GUARD::QAR1(A)
- S(d);S_CUTR(b)::S(H)
- Refutation
- S(a);XS(D)
- Try
- S(D);
- Threat
- S(H)
- Vars
- B(f);CHECK,OGATE::R(J)+P(F),XB(f)
- B(f);N_GUARD::QAR1(A)
- Refutation
- R(b);XS(D)
- Try
- S(D);
- Vars
- S(d);XP(G)::S(H),XS(d)
- R(b);N_GUARD::QAB(A)
- R(b);N_GUARD::S(H)
- R(b);N_GUARD,P_PINR(J)::QAB(A)
- B(f);N_GUARD::QAR1(A)
- S(a);S_CUTR(b)::QAB(A)
- S(a);S_CUTR(b)::S(H)
- S(d);S_CUTR(b)::S(H)
- P(h);OGATE::R(J)+P(F),XP(h),EP
- P(h);OGATE::R(J)+P(F),XP(h)
- Refutation
- P(c);
- Try
- S(D);
- Threat
- S(H)
- Refutation
- R(b);XS(D)
- Try
- B(E);CHECK
- Vars
- S(a);XB(E)::S(H)
- Refutation
- R(b);XB(E)
- Try
- Actual
- S(D);
- Vars
- B(f);CHECK,OGATE::R(J)+P(F),XB(f)
- S(d);XP(G)::S(H),XS(d)
- R(b);N_GUARD::QAB(A)
- R(b);N_GUARD::S(H)
- R(b);N_GUARD,P_PINR(J)::QAB(A)
- B(f);N_GUARD::QAR1(A)
- B(f);N_GUARD::QAR1(A),XB(f)
- S(a);S_CUTR(b)::QAB(A)
- S(a);S_CUTR(b)::S(H)
- S(d);S_CUTR(b)::S(H)
- P(c);N_GUARD,S_CUTR(b)::S(D)
- P(g);N_GUARD::S(D),XB(f)
- P(h);OGATE::R(J)+P(F),XP(h),EP
- P(h);OGATE::R(J)+P(F),XP(h)
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).