MESON Chess Problem Database
Problem Display
PID: 261224 (4b1Q1/p3Pr1p/R6N/1pK1p2B/4k2p/1R2pr2/4NP2/2B3b1 w - - 0 1)
Vasilenko, Anatoly Grigorovich
4th HM., 09. World Cup, 2021
#2
10 + 11
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Rxf2
- 2.Rxe3#
- 1...R3f4
- 2.Rxe3#
- 1...R3f5
- 2.Rxe3#
- 1...R3f6
- 2.Rxe3#
- 1...R7f4
- 2.Qd5#
- 1...R7f5
- 2.Qd5#
- 1...R7f6
- 2.Qd5#
- 1...Rxe7
- 2.Qd5#
- 1...Rg7
- 2.Qd5#
- 1...Rf8
- 2.Qd5#
- 1...Rxf2
- Tries
- 1.Sc3+?
- 1...Kf4
- 2.Qg4#
- 1...Kd3!
- 1...Kf4
- 1.Sf5?
- threat
- 2.Sd6#
- 1...Kxf5
- 2.Qg4#
- 1...R3xf5
- 2.Rxe3#
- 1...R7xf5
- 2.Qd5#
- 1...Rf6!
- threat
- 1.Bxf3+?
- 1...Rxf3
- 2.Qd5#
- 1...Kxf3!
- 1...Rxf3
- 1.Bg6+?
- 1...R3f5
- 2.Rxe3#
- 1...R7f5
- 2.Qd5#
- 1...hxg6!
- 1...R3f5
- 1.Raa3?
- threat
- 2.Rb4#
- 1...b4
- 2.Rxb4#
- 1...a5!
- threat
- 1.Ra4+?
- 1...b4
- 2.Raxb4#
- 1...bxa4!
- 1...b4
- 1.Rd6?
- threat
- 2.Rb4#
- 1...b4
- 2.Rxb4#
- 1...a5!
- threat
- 1.Rf6?
- threat
- 2.Bxf3#
- 1...Rxf2
- 2.Rxe3#
- 1...R3xf6
- 2.Rxe3#
- 1...R7xf6
- 2.Qd5#
- 1...Rh3
- 2.Qg4#
- 1...Rf4
- 2.Rxe3#
- 1...Rf5
- 2.Rxe3#
- 1...Rg3!
- threat
- 1.Qxf7?
- threat
- 2.Bxf3#
- 2.Qd5#
- 2.Qxf3#
- 1...Rxf2
- 2.Rxe3#
- 2.Qd5#
- 1...Rxf7
- 2.Rxe3#
- 1...Rg3
- 2.Qd5#
- 2.Qf5#
- 1...Rh3
- 2.Qd5#
- 2.Qf5#
- 1...Rf4
- 2.Rxe3#
- 2.Qd5#
- 1...Rf5
- 2.Rxe3#
- 2.Qd5#
- 2.Qxf5#
- 1...Rf6
- 2.Rxe3#
- 2.Qd5#
- 1...Bc6
- 2.Bxf3#
- 2.Qxf3#
- 1...Bxf7!
- threat
- 1.Qg2?
- threat
- 2.Rxe3#
- 1...exf2
- 2.Re3#
- 1...Bxf2!
- threat
- 1.Qg4+?
- 1...R3f4
- 2.Rxe3#
- 2.f3#
- 1...R7f4!
- 1...R3f4
- 1.Qxe8?
- threat
- 2.Qc6#
- 2.Qa8#
- 1...Rxe7
- 2.Qc6#
- 1...R3f6
- 2.Rxe3#
- 1...Rf8
- 2.Qc6#
- 1...R7f6!
- threat
- 1.Sc3+?
- Keys
- 1.Sf4!
- threat
- 2.Rb4#
- 1...Kxf4
- 2.Qg4#
- 1...R3xf4
- 2.Rxe3#
- 1...R7xf4
- 2.Qd5#
- 1...exf4
- 2.Re6#
- 1...b4
- 2.Rxb4#
- threat
- 1.Sf4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 8
- Sets
- R(c);N_GUARD,XP(C)::R1(D),XP(b)
- R(c);N_GUARD::R1(D),XP(b)
- R(i);OGATE::QAB1(J)
- R(i);OGATE,XP(I)::QAB1(J)
- Tries
- Try
- S(B);CHECK
- Vars
- K(d);N_GUARD,P-FLIGHT,P_SPINP(b)::QAR1(J)
- Refutation
- K(d);S_FLIGHT
- Try
- S(H);
- Threat
- S(H)
- Vars
- K(d);S_CUTR(c),S_FLIGHT,XS(H)::QAB1(J)
- R(c);N_GUARD,SBLOCK,XS(H)::R1(D),XP(b)
- R(i);OGATE,SBLOCK,XS(H)::QAB1(J)
- Refutation
- R(i);
- Try
- B(F);CHECK,XR(c)
- Vars
- R(i);OGATE,SBLOCK,XB(F)::QAB1(J)
- Refutation
- K(d);P_SPINP(b),S_FLIGHT,XB(F)
- Try
- B(F);CHECK
- Vars
- R(c);P_SPINR(c)::R1(D),XP(b)
- R(i);OGATE,P_SPINR(i)::QAB1(J)
- Refutation
- P(j);XB(F)
- Try
- R(G);
- Threat
- R(D)
- Vars
- P(f);::R(D),XP(f)
- Refutation
- P(h);
- Try
- R(G);CHECK
- Vars
- P(f);P_SPINP(f)::R(G),XP(f)
- Refutation
- P(f);XR(G)
- Try
- R(G);
- Threat
- R(D)
- Vars
- P(f);::R(D),XP(f)
- Refutation
- P(h);
- Try
- R(G);
- Threat
- B(F),XR(c)
- Vars
- R(c);N_GUARD,XP(C)::R1(D),XP(b)
- R(c);N_GUARD,XR(G)::R1(D),XP(b)
- R(i);OGATE,XR(G)::QAB1(J)
- R(c);N_GUARD::QAR2(J)
- R(c);N_GUARD::R1(D),XP(b)
- Refutation
- R(c);
- Try
- Q(J);XR(i)
- Threat
- DUALS(3)
- Vars
- R(c);N_GUARD,XQ(J)::R1(D),XP(b)
- Refutation
- B(k);XQ(J)
- Try
- Q(J);P_PINR(c)
- Threat
- R1(D),XP(b)
- Vars
- P(b);XP(C)::R1(D)
- Refutation
- B(a);XP(C)
- Try
- Q(J);CHECK
- Refutation
- R(i);P_SPINR(i)
- Try
- Q(J);XB(k)
- Threat
- DUALS(2)
- Vars
- R(i);XP(I)::QAB(J)
- R(c);N_GUARD::R1(D),XP(b)
- R(i);::QAB(J)
- Refutation
- R(i);
- Try
- Actual
- S(B);
- Threat
- R(D)
- Vars
- K(d);OGATEB,P-FLIGHT,P_SPINP(b),XS(B)::QAR1(J)
- R(c);N_GUARD,SBLOCK,XS(B)::R1(D),XP(b)
- R(i);OGATE,SBLOCK,XS(B)::QAB1(J)
- P(g);OGATEB,SBLOCK,XS(B)::R(G)
- P(f);::R(D),XP(f)
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