MESON Chess Problem Database
Problem Display
PID: 207768 (2B5/3pB2p/6pR/3Pk3/2p1rp1N/2P5/1K1Q4/8 w - - 0 1)
Chernikh, Vassily
Zadachi i Etyudi, 2018
#2
8 + 7
SOLUTION
- SOUND
- Sets
- 1...Re1
- 2.Qd4#
- 1...Re3
- 2.Qd4#
- 1...Rd4
- 2.Qxd4#
- 1...f3
- 2.Qg5#
- 1...g5
- 2.Bd6#
- 1...d6
- 2.Sf3#
- 1...Re1
- Tries
- 1.Ka1?
- 1...Re2
- 2.Qd4#
- 1...Re3
- 2.Qd4#
- 1...Rd4
- 2.Qxd4#
- 1...f3
- 2.Qg5#
- 1...g5
- 2.Bd6#
- 1...d6
- 2.Sf3#
- 1...Re1+!
- 1...Re2
- 1.Kb1?
- 1...Re2
- 2.Qd4#
- 1...Re3
- 2.Qd4#
- 1...Rd4
- 2.Qxd4#
- 1...f3
- 2.Qg5#
- 1...g5
- 2.Bd6#
- 1...d6
- 2.Sf3#
- 1...Re1+!
- 1...Re2
- 1.Kc1?
- 1...Re2
- 2.Qd4#
- 1...Re3
- 2.Qd4#
- 1...Rd4
- 2.Qxd4#
- 1...f3
- 2.Qg5#
- 1...g5
- 2.Bd6#
- 1...d6
- 2.Sf3#
- 1...Re1+!
- 1...Re2
- 1.Ka2?
- 1...Re1
- 2.Qd4#
- 1...Re3
- 2.Qd4#
- 1...Rd4
- 2.Qxd4#
- 1...f3
- 2.Qg5#
- 1...g5
- 2.Bd6#
- 1...d6
- 2.Sf3#
- 1...Re2!
- 1...Re1
- 1.Kc2?
- 1...Re1
- 2.Qd4#
- 1...Re3
- 2.Qd4#
- 1...Rd4
- 2.Qxd4#
- 1...f3
- 2.Qg5#
- 1...g5
- 2.Bd6#
- 1...d6
- 2.Sf3#
- 1...Re2!
- 1...Re1
- 1.Bb7?
- 1...Re1
- 2.Qxe1#
- 2.Qd4#
- 1...Re2
- 2.Qxe2#
- 1...Re3
- 2.Qd4#
- 1...Rd4
- 2.Qxd4#
- 1...f3
- 2.Qg5#
- 1...g5
- 2.Bd6#
- 1...d6!
- 1...Re1
- 1.Bxd7?
- threat
- 2.Sf3#
- 1...Re1
- 2.Qd4#
- 1...Re3
- 2.Qd4#
- 1...Rd4
- 2.Qxd4#
- 1...f3
- 2.Sxf3#
- 2.Qg5#
- 1...Re2!
- threat
- 1.Rh5+?
- 1...g5
- 2.Rxg5#
- 1...gxh5!
- 1...g5
- 1.Ka1?
- Keys
- 1.Ka3!
- 1...Re1
- 2.Qd4#
- 1...Re2
- 2.Qd4#
- 1...Re3
- 2.Qd4#
- 1...Rd4
- 2.Qxd4#
- 1...f3
- 2.Qg5#
- 1...g5
- 2.Bd6#
- 1...d6
- 2.Sf3#
- 1...Re1
- 1.Ka3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(b);N_GUARD::QAB1(B)
- R(b);N_GUARD::QAB1(B),XR(b)
- P(c);OGATE::QAR2(B)
- P(e);::B(G)
- P(f);::S(D)
- Tries
- Try
- K(A);S_FLIGHT
- Vars
- R(b);N_GUARD::QAB1(B)
- R(b);N_GUARD::QAB1(B),XR(b)
- P(c);OGATE::QAR2(B)
- P(e);::B(G)
- P(f);::S(D)
- Refutation
- R(b);CHECK
- Try
- K(A);P-FLIGHT
- Vars
- R(b);N_GUARD::QAB1(B)
- R(b);N_GUARD::QAB1(B),XR(b)
- P(c);OGATE::QAR2(B)
- P(e);::B(G)
- P(f);::S(D)
- Refutation
- R(b);CHECK
- Try
- K(A);S_FLIGHT
- Vars
- R(b);N_GUARD::QAB1(B)
- R(b);N_GUARD::QAB1(B),XR(b)
- P(c);OGATE::QAR2(B)
- P(e);::B(G)
- P(f);::S(D)
- Refutation
- R(b);CHECK
- Try
- K(A);P-FLIGHT
- Vars
- R(b);N_GUARD::QAB1(B)
- R(b);N_GUARD::QAB1(B),XR(b)
- P(c);OGATE::QAR2(B)
- P(e);::B(G)
- P(f);::S(D)
- Refutation
- R(b);P_PINQ(B)
- Try
- K(A);P-FLIGHT
- Vars
- R(b);N_GUARD::QAB1(B)
- R(b);N_GUARD::QAB1(B),XR(b)
- P(c);OGATE::QAR2(B)
- P(e);::B(G)
- P(f);::S(D)
- Refutation
- R(b);P_PINQ(B)
- Try
- B(H);
- Vars
- R(b);OGATEB,P_PINQ(B)::QAR(B),XR(b)
- R(b);N_GUARD::QAB1(B)
- R(b);N_GUARD::QAB1(B),XR(b)
- P(c);OGATE::QAR2(B)
- P(e);::B(G)
- Refutation
- P(f);
- Try
- B(H);XP(f)
- Threat
- S(D)
- Vars
- R(b);N_GUARD::QAB1(B)
- R(b);N_GUARD::QAB1(B),XR(b)
- Refutation
- R(b);P_PINQ(B)
- Try
- R(F);CHECK
- Vars
- P(e);P_SPINP(e)::R(F),XP(e)
- Refutation
- P(e);XR(F)
- Try
- Actual
- K(A);S_FLIGHT
- Vars
- R(b);N_GUARD::QAB1(B)
- R(b);N_GUARD,P_PINP(C)::QAB1(B)
- R(b);N_GUARD::QAB1(B),XR(b)
- P(c);OGATE::QAR2(B)
- P(e);::B(G)
- P(f);::S(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).