MESON Chess Problem Database
Problem Display
PID: 258614 (b3K3/2pR1B2/3N1p2/B3k1p1/2r3P1/3pP3/2q3Q1/4N3 w - - 0 1)
Soloviov, Alexey F
6th HM., 64 Shakhmatnoe obozrenie, 1929/II
(First published on Tue Nov 5 1929)
#2
9 + 8
| 5454 | Near Snap | 2022 |
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Qb1
- 2.Sxc4#
- 1...Qd1
- 2.Sxc4#
- 1...Qa4
- 2.Sxd3#
- 1...Qc1
- 2.Sxd3#
- 1...Qa2
- 2.Sxd3#
- 1...Qb2
- 2.Sxd3#
- 2.Sxc4#
- 1...Qd2
- 2.Sxc4#
- 1...Qe2
- 2.Sxc4#
- 1...Qf2
- 2.Sxd3#
- 2.Sxc4#
- 1...Qxg2
- 2.Sxd3#
- 1...Rc3
- 2.Qg3#
- 1...Re4
- 2.Sf3#
- 1...Rc5
- 2.Qg3#
- 1...Rc6
- 2.Sf3#
- 2.Qe4#
- 2.Qd5#
- 2.Qg3#
- 1...Bf3
- 2.Sxf3#
- 1...Be4
- 2.Qg3#
- 1...Bd5
- 2.Qxd5#
- 1...cxd6
- 2.Re7#
- 1...c6
- 2.Sf3#
- 1...Qb1
- Tries
- 1.Sf5?
- threat
- 2.Re7#
- 1...Qa4
- 2.Sxd3#
- 1...Rc6
- 2.Rd5#
- 2.Qd5#
- 1...Bd5
- 2.Rxd5#
- 2.Qxd5#
- 1...Bc6
- 2.Bxc7#
- 1...Rxg4!
- threat
- 1.Bc3+?
- 1...Rxc3
- 2.Qg3#
- 1...Rd4
- 2.Sc4#
- 2.Bxd4#
- 2.Qg3#
- 1...Qxc3!
- 1...Rxc3
- 1.Bxc7?
- threat
- 2.Sxc4#
- 2.Re7#
- 1...Qxg2
- 2.Sxd3#
- 2.Re7#
- 1...Rxg4
- 2.Re7#
- 1...Rxc7
- 2.Qg3#
- 1...Bxg2
- 2.Re7#
- 1...Qa4
- 2.Sxd3#
- 2.Sxc4#
- 1...Rc3
- 2.Sc4#
- 2.Re7#
- 2.Qg3#
- 1...Ra4
- 2.Sc4#
- 2.Re7#
- 1...Rb4
- 2.Sc4#
- 2.Re7#
- 1...Rd4
- 2.Sc4#
- 2.Re7#
- 1...Re4
- 2.Sf3#
- 2.Sc4#
- 2.Re7#
- 1...Rf4
- 2.Sc4#
- 2.Re7#
- 1...Rc5
- 2.Sc4#
- 2.Re7#
- 2.Qg3#
- 1...Rc6
- 2.Sf3#
- 2.Sc4#
- 2.Re7#
- 2.Qe4#
- 2.Qd5#
- 2.Qg3#
- 1...Bf3
- 2.Sxf3#
- 2.Re7#
- 1...Bd5
- 2.Sxc4#
- 2.Qxd5#
- 1...Bc6
- 2.Sxc4#
- 2.Se4#
- 2.Sb5#
- 2.Sf5#
- 2.Sb7#
- 2.Sc8#
- 1...f5!
- threat
- 1.Qe4+?
- 1...Rxe4
- 2.Sf3#
- 1...Bxe4!
- 1...Rxe4
- 1.Qxa8?
- threat
- 2.Sf3#
- 2.Qd5#
- 1...Rf4
- 2.Qd5#
- 1...Qd1
- 2.Sxc4#
- 2.Qd5#
- 1...Qe2
- 2.Sxc4#
- 2.Qd5#
- 1...Qf2
- 2.Sxd3#
- 2.Sxc4#
- 2.Qd5#
- 1...Qg2
- 2.Sxd3#
- 2.Sxc4#
- 1...Rd4
- 2.Sf3#
- 1...Rc5
- 2.Sf3#
- 2.Qe4#
- 1...Rc6
- 2.Sf3#
- 1...c6
- 2.Sf3#
- 1...f5!
- threat
- 1.Qh2+?
- 1...Qxh2
- 2.Sxd3#
- 1...Rf4!
- 1...Qxh2
- 1.Sf5?
- Keys
- 1.Se4!
- threat
- 2.Re7#
- 1...Rxe4
- 2.Sf3#
- 1...Bxe4
- 2.Qg3#
- 1...Qa4
- 2.Sxd3#
- 1...Rc6
- 2.Rd5#
- 1...Bd5
- 2.Rxd5#
- 1...Bc6
- 2.Bxc7#
- threat
- 1.Se4!
This anticipates 124274(1944)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 12
- Sets
- Q(a);N_GUARD::S(F),XR(c)
- Q(a);N_GUARD,P_PINR(G)::S(A),XP(b)
- Q(a);N_GUARD::S(A),XP(b)
- Q(a);N_GUARD,XQ(B)::S(A),XP(b)
- R(c);N_GUARD::QAB(B)
- R(c);S_CUTB(h)::S(A)
- B(h);N_GUARD::S(A),XB(h)
- B(h);S_CUTR(c)::QAB(B)
- B(h);N_GUARD::QAR1(B),XB(h)
- P(g);SBLOCK,XS(F)::R(G)
- P(g);S_CUTB(h)::S(A)
- Tries
- Try
- S(F);
- Threat
- R(G)
- Vars
- Q(a);N_GUARD,P_PINR(G)::S(A),XP(b)
- B(h);P_PINR(G),S_CUTR(c)::B(E),XP(g)
- Refutation
- R(c);XP(D)
- Try
- B(E);CHECK
- Vars
- R(c);XB(E)::QAB(B)
- Refutation
- Q(a);XB(E)
- Try
- B(E);XP(g)
- Threat
- DUALS(2)
- Vars
- R(c);XP(D)::R(G)
- R(c);N_GUARD,XB(E)::QAB(B)
- B(h);XQ(B)::R(G)
- Refutation
- P(f);
- Try
- Q(B);CHECK
- Vars
- R(c);XQ(B)::S(A)
- Refutation
- B(h);XQ(B)
- Try
- Q(B);XB(h)
- Threat
- DUALS(2)
- Vars
- R(c);::QAR1(B)
- R(c);::S(A)
- P(g);::S(A)
- Refutation
- P(f);
- Try
- Q(B);CHECK
- Vars
- Q(a);XQ(B)::S(A),XP(b)
- Refutation
- R(c);P_SPINR(c)
- Try
- Actual
- S(F);
- Threat
- R(G)
- Vars
- R(c);SBLOCK,XS(F)::S(A)
- B(h);SBLOCK,XS(F)::QAB(B)
- Q(a);N_GUARD,P_PINR(G)::S(A),XP(b)
- R(c);S_CUTB(h)::R1(G)
- B(h);N_GUARD::R1(G),XB(h)
- B(h);P_PINR(G),S_CUTR(c)::B(E),XP(g)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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