HIARCS Chess Forums

Rivas Pastor - Mestel, Marbella 1982,it's white to play and get a decisive advantage, R30 evaluation after the first move is - 0.77,but again it did solve the problem with the correct continuation.
[fen]1rbqr3/5p1k/3p1Pp1/2pN3B/1p2P2P/8/PP1Q4/2K4R w - - 0 1[/fen]
Steve C.

Motylev (2683) v Wang (2733) Beijing 2012,white to play and get a decisive advantage, R30 evaluation is +5.03.
[fen]r4b1r/kb3ppp/p4p2/3p4/3NP3/1R6/1PP2PPP/4KB1R w K - 0 19[/fen]
Steve C.

Karlsson (2305) v Thorhallson (2245) another game from Reykjavik 1986, it's black to play and get a decisive advantage, R30 evaluation after the first move is only +0.45,but it did find the correct continuation.
[fen]2krr3/ppp2ppp/5n2/n2P1b2/1qP5/5P2/PP1QB1PP/1NKR2NR b - - 0 14[/fen]
Steve C.

Mason(2222) v Smerdon (2498) Sunningdale 2012,it is white to play and win, R30 evaluation is +5.27.
[fen]5rk1/4RNb1/1q1p2p1/3Pp2p/4P3/6P1/1r2b1BP/2Q2R1K w - - 0 29[/fen]
Steve C.

Jonasson (2210) v Angantysson (2300) Reykjavik 1986,a game where white resigned the position, however it is white to play and win, R30 evaluation is +8.54.
[fen]3r2k1/4qpbp/Q4P2/8/2N5/8/PP2p1PP/5RK1 w - - 0 27[/fen]
Steve C.

Smyslov (2570) v Greenfeld (2530) Beersheba 1990, it's white to play and get a decisive advantage, R30 evaluation is +5.56.
[fen]3rk2r/pp3pp1/2p4p/2b1p3/6Qq/1B6/PPP2RPP/R1B3K1 w k - 0 18[/fen]
Steve C.

Black to play and get a decisive advantage, R30 evaluation after the first move is +3.3.
[fen]7r/1R3pk1/p3bpp1/4q3/8/2P1PBPr/1P1R1P2/1Q4K1 b - - 0 34[/fen]
Steve C.

Fridman(2602) v Ernst (2573) Moelheim 2014,it's white to play for an advantage, R30 solved it with an evaluation of +1.21 after the first move.
[fen]4k2r/1p3ppp/1pp3nn/2q1P3/5P2/2NB1Q2/rP1R1P1P/2K4R w k - 0 21[/fen]
Steve C.

Eljanov v Yangyi Havana 2015,white to play and win, R30 evaluation is +7.86.
[fen]5r1k/6pp/8/2QRP3/2p4q/P1R4P/5rPK/8 w - - 0 38[/fen]
Steve C.

Korpa(2417) v Sedlak (2558) white to play and get a decisive advantage, R30 evaluation, I know different engines would give different evaluations for this, is +2.68.
[fen]6k1/p1q1pp1p/prNp2p1/3P4/Q3P3/3n2P1/P4PKP/2R5 w - - 0 32[/fen]
Steve C.

Fischer v Tal Bled 1961,it's white to play and get a decisive advantage, R30 evaluation after the first move is +2.96,this may be a well known position, being Fischer v Tal, but I hadn't seen it before, so I'll post it here. The R30 did follow the game text from this situation. [fen]2b1k1r1/1pqp1pPp...

Gheorghiu v Momu 1962 Varna (ol), it's white to play and get a decisive advantage, R30 evaluation is +1.63.Hopefully these problems are not too difficult, which was the idea of giving them to the R30 at tournament settings, average 3 minutes per move, even though the R30 hasn't solved all of them, s...

White to play here and get a winning advantage, the R30s evaluation was +7.89.
[fen]1r2kb1r/1N1p1p2/pB2qp2/1p2p3/4P2p/2N4Q/PPP3PP/1K1R4 w k - 0 22[/fen]
Steve C.

Gulko v Kremenietsky Moscow 1982,it's black to play and get a decisive advantage, this one wasn't solved by the R30 in standard tournament level time.
[fen]r3r1k1/1p1b1pbn/pB4p1/P2P2q1/2B1Nn1p/RP3P2/N5PP/1R3QK1 b - - 0 1[/fen]
Steve C.

Kozma v Alster CSSR(ch) 1953,white to play and win, solved by the R30.
[fen]1rr3k1/4ppb1/2q1bnp1/1p2B1Q1/6P1/2p2P2/P1P1B2R/2K4R w - - 0 1[/fen]
Steve C.