MESON Chess Problem Database
Problem Display
PID: 235091 (3RK2Q/p3pp2/1p3r2/1RN5/P1k1P3/P4P2/r1bPp3/nB6 w - - 0 1)
Shanshin, Valery Yurevich
64 Shakhmatnoe obozrenie, 2016
#2
11 + 10
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rxf3
- 2.Rd4#
- 2.Qd4#
- 1...Rf4
- 2.Rd4#
- 2.Qc3#
- 2.Qd4#
- 1...Rf5
- 2.Rd4#
- 2.Qc3#
- 2.Qd4#
- 1...Rc6
- 2.Rd4#
- 2.Qc3#
- 2.Qd4#
- 1...Rd6
- 2.Qc3#
- 1...Re6
- 2.Rd4#
- 2.Qc3#
- 2.Qd4#
- 1...Rg6
- 2.Rd4#
- 2.Qc3#
- 2.Qd4#
- 1...Rh6
- 2.Rd4#
- 2.Qc3#
- 2.Qd4#
- 1...Bd1
- 2.Bd3#
- 1...Bb3
- 2.Bd3#
- 1...Bd3
- 2.Bxd3#
- 1...Bxa4
- 2.Bd3#
- 1...Rxf3
- Tries
- 1.Sb3?
- threat
- 2.Rb4#
- 2.Rd4#
- 1...Rxa3
- 2.Rd4#
- 1...Bxb3
- 2.Bd3#
- 1...Rd6
- 2.Qc3#
- 1...a5
- 2.Rd4#
- 1...e5
- 2.Rb4#
- 1...Sxb3!
- threat
- 1.Sd3?
- threat
- 2.Se5#
- 2.Rb4#
- 1...Bxd3
- 2.Bxd3#
- 1...Rd6
- 2.Qc3#
- 1...Rb2
- 2.Sxb2#
- 2.Se5#
- 1...Rf5
- 2.Rb4#
- 2.Rd4#
- 2.Qc3#
- 2.Qd4#
- 1...Re6
- 2.Rb4#
- 2.Rd4#
- 2.Qc3#
- 2.Qd4#
- 1...a5
- 2.Se5#
- 1...e5
- 2.Sxe5#
- 2.Rb4#
- 1...Bxa4!
- threat
- 1.Sa6?
- threat
- 2.Rb4#
- 1...Bxa4
- 2.Bd3#
- 1...Rd6
- 2.Qc3#
- 1...Rb2!
- threat
- 1.Se6?
- threat
- 2.Rb4#
- 2.Rd4#
- 1...Rxa3
- 2.Rd4#
- 1...Rxe6
- 2.Rd4#
- 2.Qc3#
- 2.Qd4#
- 1...Bxa4
- 2.Bd3#
- 1...Rb2
- 2.Rd4#
- 1...Sb3
- 2.Rb4#
- 1...a5
- 2.Rd4#
- 1...fxe6!
- threat
- 1.Qxf6?
- threat
- 2.Rd4#
- 2.Qc3#
- 2.Qd4#
- 1...Rxa3
- 2.Rd4#
- 2.Qd4#
- 1...Bxa4
- 2.Bd3#
- 1...bxc5
- 2.Qc3#
- 1...Sb3
- 2.Qc3#
- 1...e5
- 2.Qxf7#
- 1...exf6!
- threat
- 1.Sb3?
- Keys
- 1.Sd7!
- threat
- 2.Se5#
- 1...Kd3
- 2.Se5#
- 1...Kd4
- 2.Sxb6#
- 1...Bxa4
- 2.Rb4#
- 1...Rf5
- 2.Qc3#
- 1...Rd6
- 2.Qc3#
- 1...Re6
- 2.Qc3#
- 1...e5
- 2.Sxe5#
- threat
- 1.Sd7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 5
- REMOVED MATES = 3
- Sets
- R(g);OGATE::QAR1(K)
- B(c);OGATE::B(A)
- B(c);OGATE::B(A),XB(c)
- B(c);OGATE,P_PINR(G),XP(E)::B(A)
- Tries
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- R(b);XP(C)::R1(I)
- B(c);OGATE,XS(H)::B(A)
- R(g);OGATE::QAR1(K)
- P(h);::R1(I)
- P(i);::R1(G)
- Refutation
- S(a);XS(H)
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- B(c);OGATE,XS(H)::B(A),XB(c)
- R(g);OGATE::QAR1(K)
- P(h);::S(H)
- Refutation
- B(c);P_PINR(G),XP(E)
- Try
- S(H);
- Threat
- R1(G)
- Vars
- B(c);OGATE,P_PINR(G),XP(E)::B(A)
- R(g);OGATE::QAR1(K)
- Refutation
- R(b);
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- R(b);XP(C)::R1(I)
- B(c);OGATE,P_PINR(G),XP(E)::B(A)
- R(b);::R1(I)
- S(a);::R1(G)
- P(h);::R1(I)
- Refutation
- P(j);XS(H)
- Try
- Q(K);XR(g)
- Threat
- DUALS(3)
- Vars
- B(c);OGATE,P_PINR(G),XP(E)::B(A)
- P(f);XS(H)::QAR1(K)
- S(a);::QAR1(K)
- P(i);N_GUARD::QAB(K),XP(j)
- Refutation
- P(i);XQ(K)
- Try
- Actual
- S(H);
- Threat
- S(H)
- Vars
- K(e);P_SPINB(c),S_FLIGHT::R(I)+S(H),DCHECK
- K(e);P-FLIGHT,P_SPINR(g)::R(I)+S(H),XP(f)
- B(c);XP(E)::R1(G)
- R(g);OGATE::QAR1(K)
- P(i);::S(H),XP(i)
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).