MESON Chess Problem Database
Problem Display
PID: 155769 (2b1R3/2prnK2/2pP1Np1/4kPp1/1P2Ppp1/2PR4/4N3/4Q3 w - - 0 1)
Tkachenko, Sergiy Ivanovich
Probleemblad, 2015
#2
11 + 10
SOLUTION
- SOUND
- Sets
- 1...f3
- 2.Qg3#
- 1...c5
- 2.Rd5#
- 1...f3
- Tries
- 1.Sc1?
- threat
- 2.Sxg4#
- 1...f3
- 2.Qg3#
- 1...g3
- 2.Sg4#
- 1...gxf5!
- threat
- 1.Sg1?
- threat
- 2.Sxg4#
- 1...f3
- 2.Qg3#
- 1...g3
- 2.Sf3#
- 2.Sg4#
- 1...gxf5!
- threat
- 1.Sg3?
- threat
- 2.Sxg4#
- 1...fxg3
- 2.Qxg3#
- 1...gxf5
- 2.exf5#
- 1...f3!
- threat
- 1.Sd4?
- threat
- 2.Sxc6#
- 1...Kxd6
- 2.e5#
- 1...Rxd6
- 2.Sxg4#
- 1...f3
- 2.Qg3#
- 1...c5
- 2.Sc6#
- 1...Bb7!
- threat
- 1.Rd4?
- threat
- 2.Sxg4#
- 1...g3
- 2.Sg4#
- 1...gxf5!
- threat
- 1.Qf2?
- threat
- 2.Qd4#
- 2.Qc5#
- 1...cxd6
- 2.Qd4#
- 1...c5
- 2.Rd5#
- 2.Qxc5#
- 1...Rxd6!
- threat
- 1.Qg1?
- threat
- 2.Qd4#
- 2.Qc5#
- 1...cxd6
- 2.Qd4#
- 1...c5
- 2.Rd5#
- 2.Qxc5#
- 1...Rxd6!
- threat
- 1.Sc1?
- Keys
- 1.Sxf4!
- threat
- 2.Sxg6#
- 1...Kxf4
- 2.Qg3#
- 1...gxf4
- 2.Sxg4#
- 1...gxf5
- 2.Sg6#
- threat
- 1.Sxf4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 2
- Sets
- P(a);OGATEB::QAB(A)
- P(e);N_GUARD::R1(D)
- Tries
- Try
- S(B);
- Threat
- S(I),XP(b)
- Vars
- P(a);OGATEB::QAB(A)
- P(b);::S(I)
- Refutation
- P(f);XP(G)
- Try
- S(B);
- Threat
- S(I),XP(b)
- Vars
- P(a);OGATEB::QAB(A)
- Refutation
- P(f);XP(G)
- Try
- S(B);
- Threat
- S(I),XP(b)
- Vars
- P(a);OGATE,XS(B)::QAB(A),XP(a)
- P(f);OGATE,XP(G)::QAR(A)+P(F),XP(f)
- Refutation
- P(a);
- Try
- S(B);
- Threat
- S(B),XP(e)
- Vars
- K(c);N_SPINS(i),OGATE,S_FLIGHT,XP(H)::P(F)
- R(h);SBLOCK,XP(H)::S(I),XP(b)
- P(a);OGATEB::QAB(A)
- P(e);::S(B)
- Refutation
- B(j);
- Try
- R(D);
- Threat
- S(I),XP(b)
- Vars
- P(b);::S(I)
- Refutation
- P(f);XP(G)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- P(g);XP(H)::QAB1(A)
- Refutation
- R(h);XP(H)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- P(g);XP(H)::QAB1(A)
- Refutation
- R(h);XP(H)
- Try
- Actual
- S(B);XP(a)
- Threat
- S(B),XP(f)
- Vars
- K(c);N_SPINS(i),OGATEB,S_FLIGHT,XS(B)::QAB1(A)
- P(d);SBLOCK,XS(B)::S(I),XP(b)
- P(f);XP(G)::S(B)
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