MESON Chess Problem Database
Problem Display
PID: 237344 (7K/P2b1P2/1pR1N3/1p1kP3/1PN1n2R/5r2/1B4Q1/3r4 w - - 0 1)
Dyachuk, Vasyl Vasilovich
HM., Mat 64, 2002
#2
11 + 7
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Kxc6
- 2.a8Q#
- 2.a8B#
- 1...Rf1
- 2.Qxe4#
- 1...Rf2
- 2.Qxe4#
- 1...Ra3
- 2.Qxe4#
- 1...Rb3
- 2.Qxe4#
- 1...Rc3
- 2.Qxe4#
- 1...Rd3
- 2.Qxe4#
- 1...Rg3
- 2.Qxe4#
- 1...Rh3
- 2.Qxe4#
- 1...Rf5
- 2.Qxe4#
- 1...Rf6
- 2.Qxe4#
- 1...Rxf7
- 2.Qxe4#
- 1...Sd2
- 2.Rd6#
- 1...Sf2
- 2.Rd6#
- 1...Sc3
- 2.Rd6#
- 1...Sg3
- 2.Rd6#
- 1...Sc5
- 2.Rd6#
- 1...Sg5
- 2.Rd6#
- 1...Sd6
- 2.Rxd6#
- 1...Sf6
- 2.Rd6#
- 1...Kxc6
- Tries
- 1.Se3+?
- 1...Kxc6
- 2.a8Q#
- 2.a8B#
- 1...Rxe3!
- 1...Kxc6
- 1.Qc2?
- threat
- 2.Sxb6#
- 2.Qxe4#
- 1...Kxc6
- 2.a8Q#
- 2.a8B#
- 1...Bxc6
- 2.Sc7#
- 1...bxc4
- 2.Qxe4#
- 2.Qxc4#
- 1...Sd6
- 2.Rxd6#
- 1...Re1
- 2.Sxb6#
- 1...Rdd3
- 2.Sxb6#
- 1...Rc3
- 2.Qxe4#
- 1...Rfd3
- 2.Sxb6#
- 1...Re3
- 2.Sxe3#
- 2.Sxb6#
- 1...Rf4
- 2.Se3#
- 2.Sxb6#
- 1...Sd2
- 2.Sxb6#
- 2.Rd6#
- 1...Sf2
- 2.Sxb6#
- 2.Rd6#
- 1...Sc3
- 2.Rd6#
- 1...Sg3
- 2.Sxb6#
- 2.Rd6#
- 1...Sc5
- 2.Rd6#
- 1...Sg5
- 2.Sxb6#
- 2.Rd6#
- 1...Sf6
- 2.Sxb6#
- 2.Rd6#
- 1...Rd4!
- threat
- 1.a8Q?
- threat
- 2.Sxb6#
- 2.Sc7#
- 1...Bxe6
- 2.Sxb6#
- 2.Rc5#
- 2.Rc7#
- 2.Rc8#
- 1...bxc4
- 2.Sc7#
- 2.Rd6#
- 1...Sd6
- 2.Sc7#
- 2.Rxd6#
- 1...Rd4
- 2.Sc7#
- 1...Rc3
- 2.Qxe4#
- 1...Sc3
- 2.Sc7#
- 2.Rd6#
- 1...Bxc6!
- threat
- 1.a8B?
- threat
- 2.Sxb6#
- 2.Sc7#
- 1...Bxe6
- 2.Sxb6#
- 2.Rc5#
- 2.Rc7#
- 2.Rc8#
- 1...bxc4
- 2.Sc7#
- 2.Rd6#
- 1...Sd6
- 2.Sc7#
- 2.Rxd6#
- 1...Rd4
- 2.Sc7#
- 1...Rc3
- 2.Qxe4#
- 1...Sc3
- 2.Sc7#
- 2.Rd6#
- 1...Bxc6!
- threat
- 1.Se3+?
- Keys
- 1.Qg6!
- threat
- 2.Sc7#
- 2.Qxe4#
- 1...Kxc6
- 2.a8Q#
- 2.a8B#
- 1...Bxc6
- 2.Sxb6#
- 1...Bxe6
- 2.Qxe4#
- 2.Qxe6#
- 1...Rd4
- 2.Sc7#
- 1...Re1
- 2.Sc7#
- 1...Rc3
- 2.Qxe4#
- 1...Re3
- 2.Sf4#
- 2.Sc7#
- 1...Rf4
- 2.Sxf4#
- 2.Sc7#
- 1...Rf5
- 2.Sc7#
- 1...Rf6
- 2.Qxe4#
- 1...Sd2
- 2.Sc7#
- 2.Rd6#
- 1...Sf2
- 2.Sc7#
- 2.Rd6#
- 1...Sc3
- 2.Sc7#
- 2.Rd6#
- 1...Sg3
- 2.Sc7#
- 2.Rd6#
- 1...Sc5
- 2.Sc7#
- 2.Rd6#
- 1...Sg5
- 2.Sc7#
- 2.Rd6#
- 1...Sd6
- 2.Rxd6#
- 1...Sf6
- 2.Rd6#
- threat
- 1.Qg6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 14
- Sets
- K(e);S_FLIGHT,XR(G)::P=Q
- R(b);OGATE,P_SPINS(c)::QAB1(B),XS(c)
- R(b);OGATE,P_PINR(E),P_SPINS(c)::QAB1(B),XS(c)
- R(b);OGATE,P_SPINS(c),XP(J)::QAB1(B),XS(c)
- S(c);N_GUARD,P_SPINR(b)::R1(G)
- S(c);N_GUARD,P_SPINR(b)::R1(G),XS(c)
- Tries
- Try
- S(D);CHECK
- Vars
- K(e);S_FLIGHT,XR(G)::P=Q
- Refutation
- R(b);P_SPINS(c),XS(D)
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- K(e);S_FLIGHT,XR(G)::P=Q
- B(g);SBLOCK,XR(G)::S(H)
- S(c);N_GUARD::R1(G),XS(c)
- R(a);::S(D),XP(f)
- R(b);::QAB1(B),XS(c)
- R(b);::S(D),XP(f)
- S(c);N_GUARD::R1(G)
- Refutation
- R(a);
- Try
- P(I);
- Threat
- DUALS(2)
- Vars
- R(a);::S(H)
- R(b);OGATE,P_SPINS(c)::QAB1(B),XS(c)
- Refutation
- B(g);P_SPINB(g),XR(G)
- Try
- P(I);
- Threat
- DUALS(2)
- Vars
- R(a);::S(H)
- R(b);OGATE,P_SPINS(c)::QAB1(B),XS(c)
- Refutation
- B(g);P_SPINB(g),XR(G)
- Try
- Actual
- Q(B);
- Threat
- DUALS(2)
- Vars
- K(e);S_FLIGHT,XR(G)::P=Q
- B(g);SBLOCK,XR(G)::S(D),XP(f)
- R(a);::S(H)
- R(b);::QAB1(B),XS(c)
- R(b);::S(H)
- S(c);N_GUARD::R1(G),XS(c)
- S(c);N_GUARD::R1(G)
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